PRODUCTS

Loading Arms Accessories

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

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.

  • 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


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.

Model 476SA – Aluminum with stainless steel internals, fluorocarbon seal, ½ MNPT , OPW Model 476SA-0150

Model 489 – 316 Stainless Steel construction, metal seat, MNPT, available in ½” (OPW Model 489-0050) and 1” (OPW model 489-0060)

Deflectors


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.

Model 476SA – Aluminum with stainless steel internals, fluorocarbon seal, ½ MNPT , OPW Model 476SA-0150

Model 489 – 316 Stainless Steel construction, metal seat, MNPT, available in ½” (OPW Model 489-0050) and 1” (OPW model 489-0060)

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.

  • Minimize Line Shock – Variable closure rate allows operator to fine tune closure rate and prevent shock.
  • Easy Maintenance – Unique stuffing box design makes disassembly quick and easy.
  • No air traps – Air cannot become trapped in the valve, minimizing the risk of product release after closure.
  • Superior Shaft Sealing – Dual O-rings provide redundant sealing in critical area.

API Bottom Loading Coupler


OPW Engineered Systems has long been recognized as the company that sets the standard when it comes to API Bottom Loading Couplers. The 1004D2/1005E has been a proven performer at petroleum terminals around the world. The 1004D3 has been designed to be the safest, cleanest and fastest way to load transports. The D3 offers several new features that make it the most user-friendly bottom loading coupler in the industry.

OPW now looks to raise the bar with the introduction of our new 1004D4 Coupler – the next generation in API Bottom Loading Couplers from OPW. By combining ease of maintenance with a unique spring-loaded sleeve design, the D4 provides the ultimate coupler experience.

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