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The VALUE COLLECTION ZBD9500-031 is a Viton O-ring with a round cross section, designed for static and dynamic sealing applications across a wide range of industrial and mechanical systems. It measures 1.75 inches inside diameter and 1.88 inches outside diameter, with a thickness of 0.0625 inches (Dash 031 designation). Viton material provides strong resistance to heat, fuels, oils, and many chemical media, making it a reliable sealing choice where standard nitrile or EPDM rings fall short. The Shore A hardness rating of 75 places it in the hard range, suitable for moderate to high-pressure environments. HVAC technicians, plumbers, and industrial mechanics commonly specify Viton O-rings for fluid and refrigerant sealing duties.
This O-ring is suited for residential and commercial applications wherever a Dash 031 standard-size Viton seal is required. Typical use cases include pump housings, valve stems, refrigeration fittings, hydraulic connectors, and fuel system components. The wide service temperature range of -15 degrees F to 400 degrees F makes it appropriate for both low-temperature refrigeration service and high-temperature fluid systems. It is sold individually with a minimum order quantity of 10 units.
Designed as an OEM-style replacement or service O-ring for any system requiring a Dash 031 standard-size Viton seal with a round cross section.
O-ring installation should be performed by a qualified technician following a full system depressurization and fluid isolation procedure. Inspect the sealing groove for burrs, nicks, or corrosion before seating the new O-ring. Lubricate the O-ring with a compatible lubricant prior to installation to prevent tearing during assembly. Follow applicable industry codes and equipment manufacturer guidelines for torque and reassembly procedures.
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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