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The VALUE COLLECTION ZMSCVB75030 is a Dash 030 Viton (fluoroelastomer) O-ring designed for static and dynamic sealing applications across HVAC, plumbing, and industrial fluid systems. With a 1.625-inch inside diameter, a 1.75-inch outside diameter, and a 0.0625-inch cross-section thickness, this O-ring seals precisely in standard Dash 030 grooves. The fluoroelastomer compound carries a Shore A hardness of 75 and a rated operating range of -15 to 400 degrees F, making it suitable for high-temperature service where standard nitrile compounds fail. Each package contains 25 rings.
This O-ring is used wherever a Dash 030 groove standard is specified in refrigeration, HVAC refrigerant circuits, hydraulic systems, fuel-handling lines, and petroleum-service plumbing. Its fluoroelastomer construction makes it a preferred choice in applications involving petroleum-based fluids, oils, and high-temperature steam or hot air exposure. Service technicians and licensed mechanics working on commercial and industrial fluid systems will encounter this size routinely in pump seals, valve bodies, and fitting connections.
Designed as a standard Dash 030 O-ring replacement suitable for any groove machined to Dash 030 specifications. Compatible with petroleum products, hydraulic oils, fuels, and similar fluid media. Not FDA approved; not intended for food-contact or potable-water service.
O-ring installation should be performed by a qualified technician familiar with the sealing system being serviced. Depressurize and isolate the system, and drain or recover any fluid or refrigerant before opening connections. Lightly lubricate the O-ring with a compatible fluid or assembly lubricant before seating to prevent tearing during installation. Inspect the groove for burrs or damage before installing the new ring.
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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