Loading Arm Insulation – OPW can provide a Custom Insulation Package designed specifically for your loading arm. Unlike field-applied insulation, these packages are completely removable and reusable, making them the ideal solution for loading arm use. Click here to view Loading Arm Insulation Specifications.
Grounding/Bonding – Suggested for many top/splash loading applications. Available as an option on all Loading Arm designs.
Electronic Ground Verification 
The Civacon model 8030 Ground Verification Monitor is compatible with today’s transport ground systems. The monitor is equipped to provide a permissive signal to allow load rack operation and, if ground is lost, to indicate a non-permissive signal and shut down the loading operation.
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.
Quick & Dry Disconnect Couplings
With OPW, you have many options at your disposal for your loading arm termination connections. From the original quick-disconnect Kamlok® coupling to our Epsilon™ dry disconnect coupling, we have a coupling to meet your needs.
API Bottom Loading Couplers
Commonly used for loading Petroleum products, OPW provides several options for loading your Petroleum transports.
Loading Valves
- 6400 Series Horizontal Valve – OPW Loading Valves are designed to shut off flow without causing shock in the pipeline.
- Adjustable closure rate
- 3” & 4” sizes, Aluminum Construction
- TTMA Flanged connections
- Ball Valves (per application/specification)
Pneumatic Counterbalancing – An alternative to conventional spring balanced loading arm, pneumatics provide the ultimate in loading arm design.