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The VALUE COLLECTION ZMSCV70123 is a Dash 123 Viton fluoroelastomer O-ring sold in a package of 25. It features a round cross section with an inside diameter of 1.188 inches, an outside diameter of 1.375 inches, and a thickness of 0.094 inches. Rated at 70 Shore A hardness, this O-ring is engineered for static and dynamic sealing applications that demand resistance to high temperatures and petroleum-based fluids. It operates reliably from -15 degrees F to 400 degrees F, making it well-suited for service environments where standard nitrile or EPDM compounds fall short.
This O-ring is used across HVAC, refrigeration, plumbing, and industrial fluid-handling applications where petroleum product exposure is a concern. Its low compression set and wide chemical compatibility make it a common choice for sealing fittings, valves, pumps, and manifolds. It is also suitable for vacuum service and low gas permeability applications. Trade professionals handling fuel systems, hydraulic assemblies, and high-temperature fluid circuits will find this ring a reliable drop-in seal at the Dash 123 size.
Designed as a standard Dash 123 O-ring replacement compatible with petroleum products and systems requiring fluoroelastomer sealing material.
O-ring installation is performed by licensed plumbers, HVAC technicians, and industrial mechanics depending on the application. Always depressurize and drain the system before replacing any seal. Inspect the groove for damage or contamination and clean mating surfaces before seating the new ring. Avoid twisting or overstretching the O-ring during installation to prevent premature seal failure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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