Value Collection TES70127 Dash 127 Ptfe O-ring

Product Description

The VALUE COLLECTION TES70127 is a Dash 127 PTFE-encapsulated silicone o-ring designed for static and dynamic sealing applications in demanding environments. It measures 1.438 inches inside diameter, 1.625 inches outside diameter, and 0.0937 inches thick with a round cross-section. The construction features a seamless, uniform FEP (fluorinated ethylene propylene) Teflon encapsulation that completely encloses a silicone or Viton elastomer core. This design delivers the chemical and temperature resistance of solid PTFE while retaining the elasticity and recovery properties of the elastomer core. It carries a hardness rating of 70 Shore A. Licensed tradespeople in HVAC, plumbing, chemical processing, and food-grade fluid handling install this type of seal.

This o-ring is suited for residential and commercial applications where standard elastomer seals fail due to aggressive chemicals, high temperatures, or sanitary requirements. Typical install scenarios include pump housings, valve stems, fittings, and manifold connections exposed to solvents, acids, steam, or wide temperature swings. The working temperature range spans -75 degrees F to 400 degrees F, making it viable across a broad range of process and mechanical systems. Single-piece packaging is standard.

Key Features

• FEP Teflon encapsulation provides chemical resistance equivalent to solid PTFE o-rings
• Silicone or Viton elastomer core delivers elasticity and compression recovery
• Operating range of -75 degrees F to 400 degrees F for extreme temperature service
• Seamless, uniform encapsulation eliminates gaps or weak points at the seal surface
• Round cross-section profile for drop-in replacement in standard o-ring grooves
• Hardness of 70 Shore A rated Hard for positive seating under compression

Compatibility

Designed as an OEM-style replacement or service seal for any application calling for a Dash 127 o-ring with PTFE-encapsulated construction in pump, valve, fitting, or manifold assemblies.

Installation Notes

Installation is typically performed by licensed plumbers, HVAC technicians, or mechanical service technicians. Always depressurize and isolate the system before removing the existing seal. Inspect the o-ring groove for nicks, burrs, or corrosion before seating the new ring. Avoid using petroleum-based lubricants with PTFE or silicone seals; use a compatible silicone or PTFE-rated lubricant if needed for installation.