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LOADING ARM SYSTEMS

Every Arm. Every Option. Only OPW.

OPW offers the most complete line of loading arm systems and loading-rack equipment for today’s bulk loading and unloading requirements.

Loading arm systems allow the transfer of gas or liquefied gas from one tank to another through a pipe system. When transferring gas, you will need both a bottom and top loading arm. Whether the application involves tank trucks, railcars, drums or totes, and the moving of petroleum products, liquefied gases, asphalt, solvents or hazardous/corrosive chemicals, OPW Engineered Systems is the preferred loading arm system choice worldwide.

Standardline Loading Arms

Our StandardLine is a collection of the most utilized Loading Arm configurations. Pre-engineered, these solutions are ideal for the most common applications when customization is not required. A dedicated production team ensures fast and reliable delivery. Like all OPW-ES products, StandardLine Loading Arms deliver the quality you expect, backed by more than 125 years of industry-leading innovation and service.

Short-Range Hose (SRH)
Bottom Loading Arm

This simple arm incorporates only three swivel planes of rotation and is designed for use in top-loading installations

A-Frame Pipe (AFP)
Bottom Loading Arm

The AFP (A-Frame Pipe) Loader is a popular loading arm configuration due to its flexibility and convenience.

Gas Strut Hose (GSH)
Bottom Loading Arm

The GSH provides effortless bottom loading in petroleum-distribution terminals.

Scissor Style (SCI)
Top Loading Arm

Primarily used to load tank trucks where the reaches will be less than 120” (3,048 mm).

Counterweighted Hose (CWH)
Bottom Loading Arms

The grandfather of our Terminal Product line, the CWH is ideal for longer reach applications or loading bays.

Slide Sleeve (SLS)
Top Loading Arm

The Slide Sleeve loading arm incorporates a assembly that telescopes in and out to the loading rack of the tank truck.

A-Frame Hose (AFH)
Bottom Loading Arm

The AFH is ideal for those applications with lower riser heights. Its simple yet robust design.

Fixed Reach (FXR)
Top Loading Arm

StandardLine Loading Arms by OPW Engineered Systems raise the bar in quality and performance for the industry.

Top Loading Arms

A loading system should have sufficient horizontal range to reach the farthest compartment without re-spotting the vehicle. Sufficient vertical movement and drop-pipe lengths to service vehicles of varying heights is also necessary. A properly designed top loading system can provide protection and achieve this requirement. 

Fixed Reach Style
Top Loading Arm

This simple arm incorporates only three swivel planes of rotation and is designed for use in top loading installations.

Scissor Style
Top Loading Arm

Primarily used to load and unload tank trucks where the reaches will be less than 120” (3048 mm).

Unsupported Boom Style Top Loading Arm

Boom style loading arms are an excellent choice for variable reach applications where the outboard components can be heavy.

Supported Boom Style
Top Loading Arm

Boom style loading arms are an excellent choice for variable reach applications where the outboard components can be heavy.

Slide Sleeve Arm A-32-F

The slide sleeve type loading arm incorporates a slide-sleeve assembly that telescopes in and out to adjust for variations in the distance from the loading rack to the tank truck.

Bottom Loading Arms

OPW Bottom Loading Arm Systems are ideal for loading and unloading petroleum products, chemicals and liquefied gases, and offer numerous benefits over conventional top-loading systems.

Unsupported Boom
Bottom Loader

Designed to provide flexible long-range operation, the heavy-duty unsupported boom type bottom loader configuration is both reliable and easy to use.

A Frame Loader

The “A” Frame Loader is a popular loading-arm configurations due to its flexibility, long reach and convenience of use.

"A" Frame Hose Loader
AFH-32-F

OPW A-Frame Hose (AFH) Loading Arms offer the same advantages as conventional A-Frame Loaders, except flexible hose is used instead of rigid piping on secondary/outboard arm.

CWH Series Counterweight
Hose Loader

Adjustable counterweights mounted on a pair of horizontal rails are simply moved until the desired balance point is located.

Short Range Hose Loader

A proven performer in oil terminals around the world, the SRH sets the standard for cost-effective, low-maintenance and user-friendly operation.

Long Range Hose Loader

OPW spring balanced hose loaders are available in both short-range (SRH-32) and long-range (LRH-32) versions.

LBM800 Liquip Balance Mechanism - Bottom Loading Arm

A benchmark has been set for all bottom loading arms with the introduction of the LBM800.

Liquip Velvet Touch MK2
Balance Assembly

The Velvet Touch MK2 Balance Assembly has been designed for use with bottom-loading arms in petrochemical-distribution depots.

Compact Torsion Swivel
(CTS) Hose Loader

OPW Compact Torsion Spring Swivel (CTS) Bottom Loading Arms are ideal to replace loading arms in situations where tight clearances are required.

Custom Loading Arms

As industries have become more aware and responsive to environmental issues, loading systems offer a sound solution to the extremely critical process of transferring hazardous products from bulk-storage tanks to rail or road vehicles. Custom loading arms are manufactured with regard to the unique application and custom-design specifications of the customer. In order to design an application-specific custom loading arm, the following are considered:

Vapor Recovery
Loading Arms

OPW Engineered Systems offers the world’s most complete line of Top Loading Vapor Recovery Solutions.

The Expert Option For Loading Arm Insulation and Heating

OPW Engineered Systems designs Custom Insulation Packages to specifically fit your loading arm.

Pneumatically
Actuated Arm

All OPW Loading Arms can be outfitted with Pneumatics to help make operations simpler, safer and more efficient.

By-Pass Loading Arms

OPW By-Pass Loading Arms are designed to be a low-cost alternative to arms constructed of Hastelloy, Alloy 20, and other specialty metals used to transfer hydrochloric acid and other corrosive chemicals.

Drum/Tote Loading Arms

OPW Drum/Tote filling arms are ideal for loading all types of intermediate bulk containers (55 gallon drums, totes).

Loading System Accessories

Loading Arm Counterbalances

OPW Bottom Loading Arm Systems are ideal for loading and unloading petroleum products, chemicals and liquefied gases, and offer numerous benefits over conventional top-loading systems.

Torsion Spring-Balance Units:
790 EZ-Adjust Series

The OPW 790 Series EZ Adjust Loading Arm Spring-Balance permits any one of a full range of spring balance adjustments with a simple turn of the wrench.

Torsion Spring-Balance Units:
890/891 Hi-Load Series

The OPW 890/891 Series Hi-Load Spring-Balance is OPW’s latest advancement in loading arm technology.

Pneumatic Loading Arm Packages

OPW can custom design your loading arm to incorporate a variety of pneumatic counterbalancing options.

888L Loading Arm
Lockdown Assembly

OPW Engineered Systems offers the 888L Loading Arm Lockdown Assembly, which provides additional control of the loading arm during loading operations, while also enabling the system to maintain a full range of motion.

Electronic Rack Equipment

OPW Engineered Systems supplies a complete line of Civacon brand rack monitors used in loading and unloading operations. The monitors can detect the type of sensor in the transport, the state of liquid in the tank, an overfill situation, and/or verify the grounding condition.

Optic Rack Monitor Model 8130 for Bottom & Top Loading

Well-suited for bottom-loading applications with vehicles outfitted with Optic sensors, and also suited for overfill protection while top-loading railcars or tank trucks.

Ground Verification Monitor Model 8030 for Grounding Only Applications

Civacon’s Ground Verification Monitor (Model 8030) visually confirms a ground connection between the transport and the loading terminal.

Plug & Cord Sets

Civacon Plug & Cord sets for your your terminal loading systems offer safety, reliability, corrosion resistance and long product life-cycle. They are also very easy to use and handle.

Automatic Switching Scully Replacement Chassis Model 8460SRC/8360

Civacon’s Opti-Therm 8460SRC is a direct replacement chassis for upgrading Scully ST-6 or BICLOPS® rack controlmonitors.

Optic Cane Probes

Civacon Cane Probes provide a portable and flexible solution for meeting overfill requirements, with a universal clamp.

Safety Breakaways

The NTS Series Safety Breakaway Coupling from OPW represents the best available technology to protect your equipment, your people and the environment. Whether you are loading tank trucks, railcars, barges or ships, with liquid or gas; the NTS is designed to separate in the event of an unintended pull-away. Non-return valves positively shut both ends preventing spills and protecting the loading station at the same time.

NTS-PU (direct pull) Series Safety Breakaway Coupling

Protects your equipment, piping and personnel in the event of an unintended pull-away.

NTS-SZ (Cable-Release) Series Safety Breakaway Coupling

Protects your equipment, piping and personnel in the event of an unintended pull-away. A consideration whenever you are making a tight connection to a truck or railcar.

OPW Loading Valves

OPW Loading Valves are designed to shut off the flow without causing damaging shock in the pipeline.
Spring-Loaded ‘Deadman Operation’ – Valve must be manually held in open position and automatically closes upon release of the handle.

6400 Series
Horizontal Valve

OPW Horizontal Loading Valves have a long-standing reputation for reliability and quality throughout the petroleum industry.

6500 Series
Angle Valve

The OPW 6500 series angle loading valve, made in cast aluminum, allows fluid to be held in the line out to the end of the loading arm.

API Bottom Loading Couplers and Accessories

OPW offers several accessories to improve your API Terminal operation.

API Coupler Drain Sample Adapter (1004DRN-0400)

Safely take samples from any API Coupler.

API Coupler Weather Cap (1004PA-0400)

Protects any API Coupler during inclement weather

API Coupler Drain Adapter  (1004DRNFULL-0400)

Safely drain your API Bottom Loading Arm

API Coupler Parking Adapter (1004PA-0400)

API Latching Indicator (API-LI)

Vapor Coupler API Parking Adaptor (VCFPA)

API Nose Cone Feeler Gauge (12749)

API Nose Cone Feeler Gauge (API-NCFG)

8000 Series Endura Split Flange Swivels

The Endura™ Dual Split Flange (DSF) swivel joint from OPW® Engineered Systems represents the best in swivel technology. Specifically designed for the transfer of hazardous materials such as acids, solvents, petrochemicals and other toxic fluids, Endura™ sets the standard in Loading Arm Swivel performance.

8000 Series Endura Split Flange Swivels

  • Standard Sizes: 2 in., 3 in., 4in.
  • Standard Materials: Carbon Steel, Stainless Steel
  • Standard Seals: Buna-N, Fluorocarbon, PTFE, EPDM, Neoprene
  • End Connections: FNPT, 150/300 ANSI Flanges, Butt Weld

Vacuum Breaker

OPW Engineered Systems Vacuum Breakers permit quick, positive evacuation of the arm after the loading operation is complete. Suggested for any top load/submerged fill application.

Vacuum Breaker

Model 476SA
– Aluminum with stainless steel internals, fluorocarbon seal, ½ MNPT , OPW Model 476SA-0150
Model 489 – 30
Stainless Steel construction, metal seat, MNPT, available in ½” (OPW Model 489-0050) and 1” (OPW model 489-0060)

Lockdown

788L Light-Duty
Lockdown Device

Can be added to any 788, 789 or 790 Series Torsion Spring. Designed to secure the arm in the down position during loading. It prevents the jetting action of the liquid from lifting the drop tube out of the tank. It locks in any of three down positions. Right-Handed Units (OPW Model 788L-0040), Left-Handed Units (OPW Model 788LH-0045).

API Bottom Loading Couplers

OPW Engineered Systems has long been recognized as the company that sets the standard when it comes to API Bottom-Loading Couplers. The 1004D3 and Lynx API Couplings have been designed to be the safest, cleanest and fastest way to load transports.

LYNX Series Coupler – The Best in Bottom Loading

LYNX is optimized to bring your liquid terminals and tank trucks the very best in dry-break API technology. From its ultra-durable stainless-steel collar to its ability to protect your loading-arm connection even when facing surge pressures up to 500 psi, you can count on LYNX for years of service and to help minimize fluid loss.

1004D3 API Bottom Loading Coupler

The latest in API Bottom Loading Couplers, a proven performer at major oil terminals around the world.

Overfill & Grounding Solutions

OPW Engineered Systems supplies a complete line of OPW/Civacon brand loading rack monitors and electronic rack equipment used in loading and unloading operations. The overfill protection monitors can detect the type of sensor in the transport, the state of liquid in the tank, an overfill situation, and/or verify the grounding condition.

RM140W Overfill
Protection Rack Monitor

Overfill protection and grounding monitor for truck or rail loading in petro-chemical applications. Built to function with all probes designed to the API code.

Optic Rack Monitor Model 8130 for Bottom & Top Loading

Well-suited for bottom-loading applications with vehicles outfitted with Optic sensors, and also suited for overfill protection while top-loading railcars or tank trucks.

Ground Verification Monitor Model 8030 for Grounding Only Applications

Visually confirms a ground connection between the transport and the loading terminal, giving you peace of mind and more importantly, safety. 

Plug & Cord Sets

Civacon Plug & Cord sets for your your terminal loading systems offer safety, reliability, corrosion resistance and long product life-cycle. They are also very easy to use and handle.

Automatic Switching Scully Replacement Chassis Model 8460SRC/8360

Civacon’s Opti-Therm 8460SRC is a direct replacement chassis for upgrading Scully ST-6 or BICLOPS® rack controlmonitors.

Optic Cane Probes

Civacon Cane Probes provide a portable and flexible solution for meeting overfill requirements, with a universal clamp that has been designed to easily and securely attach to petroleum or chemical manholes, making it the ideal solution when a permanent sensor cannot be affixed to a tank or railcar.

Floating Suction Assemblies

OPW Engineered Systems manufactures floating suction assemblies for use in horizontal or vertical, above or below ground storage tanks where little or no contamination can be tolerated, such as aircraft jet fuel. Since the fuel near the top is least likely to contain water or foreign particles, the floating suction assemblies are designed to float near the top of the liquid surface and draw from this near-surface, contamination-free liquid. All of our floating suctions are designed for long, trouble-free life.

Floating Suction Assemblies

  • Maintenance-free
  • Increases efficiency and decreases maintenance of filter separators
  • Permanently lubricated dual race swivel joints
  • Triple-sealed swivel joints specially designed for submerged service
  • Suction baffle and stop leg maintains a minimum intake level of 8” above tank bottom (or as specified)
    Aluminum 150 lb. flat-faced flanges are standard; steel and stainless steel available upon request

Safety Breakaways

The NTS Series Safety Breakaway Coupling from OPW represents the best available technology to protect your equipment, your people and the environment. Whether you are loading tank trucks, railcars, barges or ships, with liquid or gas; the NTS is designed to separate in the event of an unintended pull-away. Non-return valves positively shut both ends preventing spills and protecting the loading station at the same time.

NTS-PU (Direct Pull) Series Safety Breakaway Coupling

Protects your equipment, piping and personnel in the event of an unintended pull-away. A consideration whenever you are making a tight connection to a truck or railcar.

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<span data-metadata=""><span data-buffer="">NTS-SZ (Cable-Release) Series Safety Breakaway Coupling

Protects your equipment, piping and personnel in the event of an unintended pull-away. A consideration whenever you are making a tight connection to a truck or railcar.

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opw-engineered-systems

swivel joints

Every Arm. Every Option. Only OPW.

OPW manufactures versatile swivel joints for industries such as chemical, petroleum, petrochemical, refining, mining, distilling, brewing, ink, paint, farm irrigation, and fertilizing. Engineers utilize OPW swivel joints in flexible piping systems, loading arms, hose reels, sewer rodding, wastewater treatment, machine tool coolant transfer, drum filling, and various in-plant fluid and dry bulk transfer applications.

These swivel joints enable the use of rigid metal piping for loading and unloading fluids and dry products under pressure or vacuum, eliminating the need for heavy, cumbersome hoses.

General Purpose Swivel Joints - 3000 Series

Available in a variety of materials, sizes and styles to meet virtually any application.Lubrication plays an important role in the life expectancy of a swivel joint. OPW has done extensive research to determine the best lubricants for our products. Our standard is a High Performance Synthetic Lubricant (OPW part # 880-0089).

8000 Series Endura Split Flange Swivels

The Endura™ Dual Split Flange (DSF) swivel joint from OPW® Engineered Systems represents the best in swivel technology. Specifically designed for the transfer of hazardous materials such as acids, solvents, petrochemicals and other toxic fluids, Endura™ sets the standard in Loading Arm Swivel performance.

Hose Reel Swivels

An integral part of many hose reel applications is an OPW Swivel Joint. OPW produces a variety of Swivel Joints designed specifically for Hose Reels. In addition, we have the ability to customize a hose reel swivel to fit your specific application.

Quick & dry disconnects

OPW Engineered Systems is a world-class manufacturer of quick and dry disconnect fittings designed to meet any fluid handling need. OPW is the expert in reducing the hazards involved with fluid handling for a multitude of industries with products used worldwide in a broad range of applications.

A complete line of connections are available, including the Kamlok® and Autolok® quick disconnects, and for connections that require a dry disconnect, Kamvalok®, Drylok™ and Epsilon®, all suitable for an extensive range of hazardous liquid applications. For extreme pressure and temperature sealing applications, the Hiltap™ brand offers innovative, high-performance couplings and connectors.

Quick Disconnect Fittings

Our StandardLine is a collection of the most utilized Loading Arm configurations. Pre-engineered, these solutions are ideal for the most
common applications when customization is not required. A dedicated production team ensures fast and reliable delivery. Like all OPW-ES products, StandardLine Loading Arms deliver the quality you expect, backed by more than 125 years of industry-leading innovation and service.

Kamlok® Couplers & Dust Caps

OPW’s Kamlok® Quick Disconnects are the industry standard in cam-and-groove couplers for safety and ease of use.

Autolok® Couplers & Dust Caps

OPW’s Autolok® Quick Disconnects are the industry standard in cam-and-groove couplers for safety and ease of use. 

Adaptors & Dust Plugs

OPW Engineered Systems offers a broad range of adaptors for Kamlok® and Autolok® couplers, in a variety of sizes and configurations.

Miscellaneous Couplers & Adaptors

Double and reducing couplers, ANSI flanged coupler and adaptors, spool adaptors, and schedule 40 socket weld and butt weld couplers and adaptors in a wide variety of sizes.

Stop-Lok™ Multi-Application Coupler

For decades, union and ground-joint fittings have been used to quickly connect pipe and hose, which allows facilities to load and unload product more efficiently.

Dry Disconnects

OPW Engineered Systems offers the most comprehensive line of dry disconnect products in the industry. Our line of dry disconnects include Drylok™, Kamvalok® and Epsilon®, all suitable for a broad range of hazardous liquid applications. Dry disconnect couplings have been proven as a successful technology to help protect workers and the environment in the transfer of hazardous materials.

Kamvalok

OPW’s Kamlok® Quick Disconnects are the industry standard in cam-and-groove couplers for safety and ease of use.

Drylok™ Dry Disconnect Coupler & Adaptor

OPW’s Autolok® Quick Disconnects are the industry standard in cam-and-groove couplers for safety and ease of use. 

Epsilon

Featuring an innovative double ball-valve system, Epsilon™ Dry Disconnect Couplings deliver the lowest product loss in the industry. A tactical balance of an unrestricted flow path and double shutoff reliability makes it the safest and most efficient coupling system in the world.

Twist-Lok Dry Disconnect Couplings

Twist-Lok™ represents the latest addition to OPW’s industry-leading range of Dry Disconnect Couplers. With its user-friendly operation and simple handling, it provides a quick, easy connection with minimal product loss.

Hiltap Fittings™

Our StandardLine is a collection of the most utilized Loading Arm configurations. Pre-engineered, these solutions are ideal for the most
common applications when customization is not required. A dedicated production team ensures fast and reliable delivery. Like all OPW-ES products, StandardLine Loading Arms deliver the quality you expect, backed by more than 125 years of industry-leading innovation and service.

3U SERIES - Medium Pressure and Temperate Quality Unions

The 3U Series is an all purpose light weight quality union designed for leak proof operation as it cycles through a wide range of temperatures. 

3IU SERIES High Performance Quality Impact Unions

The Hiltap™ 3IU impact union does what a conventional hammer union does, only better. Our “impact union” is designed for leak proof operation over a wide range of temperatures and pressures. 

400 SERIES Pipe Connecting: Safety Quick Couplings

The 415/425/490 RapidLOK™ Series Connector is an all purpose lightweight quick coupling designed for leakproof operation at a wide range of temperatures.

3TL SERIES Transfer Loading Safety Quick Coupling

The HT3-TL Transfer-Loading Series is an all-purpose high-performance quick coupler designed for leak-proof sealing through a wide range of temperatures. 

LQC SERIES - “Twister®” Locking Quick Connect

The Twister Locking Quick Connect (LQC) is the only coupling in the world guaranteed to not come off when pressure is in the line. 

HGJ Ground Joint Utility Union

The HGJ series utility union is a high quality coupling for most steam, water and standard utility applications. 

SaVD™ LITE GATE VALVE 390 SERIES

The SaVD™ Series Safe Vent & Drain System combines the best of both technologies to allow fast, simple, compact, reliable and environmentally friendly depressurizing, venting and safe draining of piping systems.

HTBP - Preset Pressure Down Hole Burst Pup

The Hiltap Burst Pup is an innovation in down hole safety. With an engineered window set to blow at either 3000 PSI (+/-150) or 3500 PSI (+/- 150), as a result of cementing, this product increases the safety of any well site.

Stop-Lok™ Multi-Application Coupler

For decades, union and ground-joint fittings have been used to quickly connect pipe and hose, which allows facilities to load and unload product more efficiently. OPW’s Stop-Lok™

Safety Breakaways

Our StandardLine is a collection of the most utilized Loading Arm configurations. Pre-engineered, these solutions are ideal for the most
common applications when customization is not required. A dedicated production team ensures fast and reliable delivery. Like all OPW-ES products, StandardLine Loading Arms deliver the quality you expect, backed by more than 125 years of industry-leading innovation and service.

3U SERIES - Medium Pressure and Temperate Quality Unions

Protects your equipment, piping and personnel in the event of an unintended pull-away. A consideration whenever you are making a tight connection to a truck or railcar.

3IU SERIES High Performance Quality Impact Unions

Protects your equipment, piping and personnel in the event of an unintended pull-away. A consideration whenever you are making a tight connection to a truck or railcar.

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process products

Every Arm. Every Option. Only OPW.

Whether you’re monitoring petroleum products, liquefied gases, solvents, or hazardous, corrosive chemicals, OPW’s collection of Process Products help keep your fluids under control.

OPW offers products that monitor, sense and reveal the fluids in your operation. Whether you’re monitoring petroleum products, liquefied gases, solvents, or hazardous, corrosive chemicals, OPW’s collection of Process Products help keep your fluids under control

VISI-FLO® Sight Flow Indicators

OPW offers products that monitor, sense and reveal the fluids in your operation. Whether you’re monitoring petroleum products, liquefied gases, solvents, or hazardous, corrosive chemicals, OPW’s collection of Process Products help keep your fluids under control.

VISI-FLO® 1400 Series Sight Flow Indicators

Designed for applications with maximum operating pressure of 200 psig (13.8 bar) and/or temperature of 225ºF (107ºC).

VISI-FLO® 1500 Series Sight Flow Indicators

Designed for applications with maximum operating pressure of 400 psig (27.6 bar) and/or temperature of 350ºF (177ºC).

VISI-FLO® 1600 OEM Series Sight Flow Indicators

OPW 1600 Series Sight Flow Indicators are manufactured of quality materials and safety tested to assure long, dependable service at economical prices.

Isolation Rings & Gauging Products

OPW offers products that monitor, sense and reveal the fluids in your operation. Whether you’re monitoring petroleum products, liquefied gases, solvents, or hazardous, corrosive chemicals, OPW’s collection of Process Products help keep your fluids under control.

ISO-Ring Gauge Isolation Ring

Thanks to OPW’s advanced, patented Gauge Isolation Ring, gone are the days when solids from the process flow plug the pressure-sensing mechanism or clog the access port on the diaphragm seal.

ISO-Spool For Small Diameter Piping

Thanks to OPW’s advanced, patented Gauge Isolation Spools, gone are the days when solids from the process flow plug the pressure-sensing mechanism or clog the access port on the diaphragm seal.

Pigging Solutions

OPW offers products that monitor, sense and reveal the fluids in your operation. Whether you’re monitoring petroleum products, liquefied gases, solvents, or hazardous, corrosive chemicals, OPW’s collection of Process Products help keep your fluids under control.

HilTap Product Recovery Pigging Systems™

Pigging systems recover lost product, eliminate flush waste, minimize the cost of using dedicated piping, and result in consistently higher product quality. 

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The OPW Advantage

OPW is ISO-9000 certified, and utilizes Lean Manufacturing and rigid Six Sigma Quality Systems to ensure that the highest levels of quality are maintained from concept through the entire product life cycle.

Since 1892, OPW has been leading the way in revolutionizing fluid-handling operations around the world. A global leader in fluid-handling solutions, OPW’s mission is to help protect people and the environment, and enhance business performance by providing a comprehensive array of innovative solutions, including loading systems, rail and transport tank truck equipment, integrated flexible piping and secondary containment sumps, valves, fittings, underground and above ground storage tank equipment, spill containers, overfill prevention devices, swivels, breakaways, and fueling nozzles for virtually all fuel types, including gasoline, diesel, alternative fuels, LPG, Hydrogen and CNG. OPW also designs and manufactures touch-free and friction car wash systems. 

Top Loading Applications

Top Loading railcars and trucks continue to provide an efficient and cost effective method to load and unload in many situations.
Loading systems from OPW Engineered Systems fit a wide variety of applications.

Pressurized Liquids

For more than 125 years, OPW has been defining what’s next in the transport and safe handling of high-value fluids around the world as a leader in the design, engineering, manufacturing and servicing of loading-arm equipment and systems.

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Ashpalt

Asphalt is generally loaded with simple Fixed Reach Style Loading Arms for truck loading applications, but can require Supported or Unsupported Boom Style Loaders for longer reaches.

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Biodiesel

Bio-Diesel has been a growing trend for several years and has become a very common application. Typically loaded with either a Fixed Reach Style (Truck) or Unsupported Boom Style (Rail), but designs can vary based on your project needs. 

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Caustic Soda

Another very common Top Loading application is Caustic. Caustic soda is an essential ingredient in an array of industrial applications. Loading Arm styles for this application can vary widely depending on your requirements. 

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Corn Syrup

Corn Syrup is one of the staple products that is transported in enormous amounts each year. OPW Loading Arms plays an important role in the distribution of corn syrup.

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Edible Oils

Edible Oils can range from the common Vegetable Oils to Palm Oils. By far the most common oils that we handle are various grades of Vegetable and Soybean Oils.

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Molten Sulfur

Loading molten sulfur into railcars can be troublesome as any cold spots throughout the loading arm must be minimized in order to eliminate the risk of the product hardening within the arm.

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Shale Oil

We have been providing Loading Arm solutions for over 100 years. We understand that every application is an opportunity to improve the efficiency and safety of your operation.

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Sulfuric Acid

We have been pIf dealing with Sulfuric Acid in concentrations of 93% and above, an OPW Loading Arm is an excellent way to improve the Safety & Efficiency of your loading operations.roviding Loading Arm solutions for over 100 years. We understand that every application is an opportunity to improve the efficiency and safety of your operation.

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Bottom Loading Applications

OPW is your single source for Bulk Plant & Terminal Loading Arm solutions. Whether you are replacing existing Bottom Loading equipment or building a completely new facility we have a solution to fit your application.

Gasoline & Diesel-Bulk Plants & Terminals

OPW is your single source for Bulk Plant & Terminal Loading Arm solutions. Whether you are replacing existing Bottom Loading equipment or building a completely new facility we have a solution to fit your application.

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Pharma/Biopharma

OPW offers biopharma utility and dry disconnect couplings as well as pharmaceutical loading arm systems to address the many challenges faced within pharmaceutical operations. The manufacture of pharmaceuticals and biopharmaceuticals requires the transfer of large volumes of high-value and oftentimes hazardous or corrosive fluids into the production facility.

Epsilon™ Dry Disconnect Couplings

OPW is your single source for Bulk Plant & Terminal Loading Arm solutions. Whether you are replacing existing Bottom Loading equipment or building a completely new facility we have a solution to fit your application.

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Cryogenic Applications

The HT3-TL Transfer-Loading Series is an all-purpose high-performance quick coupler designed for leak-proof sealing through a wide range of temperatures. The design offers a non-restrictive flow with no variation in pipe diameter. The design offers a non-restrictive flow with no variation in pipe diameter. 

3TL SERIES Transfer Loading Safety Quick Coupling

Applications:

  • Argon
  • Helium
  • Hydrogen
  • Methane
  • Nitrogen
  • Oxygen
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Terminal Solutions

OPW Engineered Systems is the only manufacturer of absolutely every type of loading arm in existence. With unmatched pre- and post-sale support, we design an entire system that’s right for your terminal, complete with every accessory and component necessary to help give you optimum performance.

Terminal Loading Arms

OPW bottom loading arms are ideal for loading and unloading petroleum products, chemicals and liquefied gases, and offer numerous benefits to terminal operators.

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API Couplers

OPW Engineered Systems has long been recognized as the company that sets the standard when it comes to API Bottom-Loading Couplers. Our API couplers have been used in many industries.

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Terminal Electronic Equipment

OPW Engineered Systems supplies a complete line of Civacon brand rack monitors used in loading and unloading operations.

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Terminal Accessories

OPW Loading System Accessories include split flange swivels, electronic rack equipment, safety breakaway couplings, and vacuum breakers.

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Swivel Joints

OPW manufactures swivel joints for a broad range of uses in the chemical, petroleum, petrochemical, refining, mining, distilling, brewing, ink and paint industries, as well as farm irrigation and fertilizing.

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Safety Breakaways

The NTS Series Safety Breakaway Coupling from OPW represents the best available technology to protect your equipment, your people and the environment.

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Drums and Totes

OPW Drum/Tote filling arms are ideal for loading all types of intermediate bulk containers (55 gallon drums, totes).

Drums and Totes

Eliminates ground contamination caused by unsafe exposed hoses. Increases productivity – easy operation ensures faster loading

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Sanitizers, Cleaning Chemicals, and Soaps

OPW Drum/Tote filling arms are ideal for loading all types of intermediate bulk containers (55 gallon drums, totes).

Total Sanitizer Solutions

With the need to maintain the highest levels of cleanliness as critical as ever, the producers of these frontline commodities know that their feedstocks and finished products must be properly handled and contained. 

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Natural Gas Meter Equipment

HaloValve is the only natural gas safety breakaway that helps to instantly reduce the hazards caused by gas meter impact damage. Designed to Work Where Meter Sets Fail. Because of their rigidity, gas risers and associated meter piping can easily break upon impact, causing dangerous leaks. HaloValve creates an intentional weak point in the meter set piping assembly, resulting in an engineered point that instantly self-seals.

HaloValve

A single valve can turn a gas leak from a major disaster into a minor inconvenience. HaloValve is the only natural gas safety breakaway that helps to instantly reduce the hazards caused by gas meter impact damage.

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