Value Collection ZMSCV70277 Viton O-ring Dash 277

Product Description

The VALUE COLLECTION ZMSCV70277 is a Dash 277 Viton fluoroelastomer O-ring with a round cross section, designed for static and dynamic sealing applications in fluid and gas systems. It measures 11.5 inches inside diameter, 11.75 inches outside diameter, and 0.125 inches thick. The fluoroelastomer compound delivers a Shore hardness of 70, rated hard, with a working temperature range of -15 degrees F to 400 degrees F. These properties make it well suited for sealing environments where petroleum products, high heat, and chemical exposure are present. Licensed trades and maintenance professionals use this O-ring in HVAC, plumbing, and industrial fluid systems.

This O-ring is used in applications requiring a reliable seal against petroleum-based fluids, hydraulic media, and similar chemical environments. The fluoroelastomer material provides low compression set, which helps maintain seal integrity over extended service cycles. Its low gas permeability also makes it suitable for vacuum service applications. The round cross section is compatible with standard groove designs sized for Dash 277 O-rings. Sold in a package quantity of 2.

Key Features

• Fluoroelastomer (Viton) compound with good resistance to petroleum products and a wide spectrum of chemical compatibility
• Working temperature range of -15 degrees F to 400 degrees F
• Shore hardness of 70 (rated hard) for reliable compression and long-term seal retention
• Low compression set reduces seal relaxation during extended service
• Low gas permeability makes it suitable for vacuum service applications
• Round cross section fits standard Dash 277 O-ring groove dimensions

Compatibility

Designed as an OEM-style replacement or service O-ring for systems using Dash 277 standard-size grooves where fluoroelastomer material compatibility with petroleum products and high-temperature environments is required.

Installation Notes

Installation should be performed by a qualified technician familiar with sealing system service. Shut down and depressurize the system fully before removing the existing O-ring. Inspect the groove for burrs, scoring, or debris before seating the new O-ring. Avoid using sharp tools that could nick or cut the O-ring during installation, and confirm groove dimensions match Dash 277 specifications before final assembly.