Value Collection ZMSCQH70229 O-ring Nitrile Dash 229

Product Description

The VALUE COLLECTION ZMSCQH70229 is a Dash 229 nitrile butadiene rubber (NBR) O-ring with an X-profile cross section, also known as a quad-ring or quattro ring. It measures 2.375 inches inside diameter, 2.625 inches outside diameter, and 0.125 inches thick. The X-shaped cross section provides four sealing lips instead of two, reducing spiral twist and improving sealing performance in dynamic and static applications. Licensed HVAC technicians, plumbers, and industrial mechanics use NBR O-rings to seal fluid and gas connections across a wide range of mechanical assemblies. This ring arrives in a package of 10 units.

NBR O-rings in the Dash 229 size are commonly used in hydraulic cylinders, pneumatic fittings, pump housings, valve bodies, and threaded pipe connections where petroleum-based fluids, water, or air are the working media. The X-profile variant is preferred in grooves where a standard round O-ring tends to roll or twist during reciprocating motion. This size fits residential and light commercial mechanical systems as well as industrial equipment that uses standard AS568 dash-number sizing conventions.

Key Features

• X-profile cross section resists spiral twist in dynamic sealing applications
• Nitrile butadiene rubber compound offers good resistance to petroleum-based fluids, water, and many hydraulic oils
• Conforms to AS568 Dash 229 sizing for drop-in replacement in standard O-ring grooves
• 2.375 inches ID and 2.625 inches OD with 0.125 inches section thickness for precise groove fit
• Packaged in quantities of 10, suitable for service stock or single-job use

Compatibility

Designed as a standard AS568 Dash 229 replacement O-ring. Fits any groove machined to the Dash 229 specification. Verify groove dimensions and fluid compatibility before installation.

Installation Notes

Installation should be performed by a qualified mechanic, plumber, or HVAC technician following applicable system codes. Depressurize and drain the assembly completely before removing the old O-ring. Lightly lubricate the O-ring with a compatible grease or fluid before seating it in the groove to prevent tearing during assembly. Do not use petroleum-based lubricants with seals intended for oxygen service.