Value Collection TES70126 O-ring Dash 126 Ptfe Silicone

Product Description

The VALUE COLLECTION TES70126 is a Dash 126 O-ring constructed with PTFE-encapsulated silicone, designed for static and dynamic sealing applications where chemical resistance and temperature stability are critical. The part features a seamless FEP (fluorinated ethylene propylene) encapsulation that fully encloses a silicone elastomer core. This construction delivers the broad chemical resistance associated with solid PTFE while retaining the elasticity and compression recovery of silicone. With a hardness rating of 70 and a working temperature range of -75 to 400 degrees F, this O-ring suits demanding service environments in HVAC, plumbing, chemical processing, and industrial fluid systems. Installation is typically performed by licensed plumbers, HVAC technicians, and mechanical contractors.

This O-ring is suited for use in residential and commercial applications involving aggressive media, steam, solvents, acids, or elevated process temperatures where standard nitrile or EPDM seals would degrade prematurely. The Dash 126 designation corresponds to a 1.375-inch inside diameter and a 0.0937-inch cross-section thickness, making it a direct fit in grooves machined or specified to Dash 126 standards. It is commonly installed in valve bodies, pump housings, flanged fittings, and fluid control assemblies that demand a higher-grade seal material.

Key Features

• Seamless, uniform FEP encapsulation fully encloses the silicone core for consistent sealing performance
• Matches the chemical and temperature resistance of solid PTFE O-rings
• Retains elasticity and compression recovery of the silicone elastomer core
• Working temperature range of -75 to 400 degrees F for broad service compatibility
• Round cross-section profile conforms to standard Dash 126 O-ring groove specifications
• Hardness rating of 70 provides a firm, reliable seal under compression

Compatibility

Designed as an OEM-style replacement or aftermarket seal for any application specifying a Dash 126 O-ring with PTFE-encapsulated silicone construction and a 1.375-inch inside diameter.

Installation Notes

Installation is performed by licensed plumbers, HVAC technicians, or qualified mechanical contractors. Before servicing any assembly containing this O-ring, shut off and depressurize the system and allow it to return to ambient temperature. Inspect the mating groove for burrs, scoring, or corrosion before seating the O-ring. Do not use petroleum-based lubricants on PTFE-encapsulated seals; consult the system manufacturer for approved assembly aids.