Value Collection ZMSCV70380 Viton O-ring Dash 380

Product Description

The VALUE COLLECTION ZMSCV70380 is a Dash 380 Viton (fluoroelastomer) O-ring with a round cross section, used for static and dynamic sealing in fluid and gas systems across HVAC, plumbing, hydraulic, and industrial applications. It measures 11.5 inches inside diameter, 11.875 inches outside diameter, and 0.1875 inches thick. With a 70 durometer hardness rating, it resists deformation under compression while maintaining a reliable seal. The fluoroelastomer compound provides high-temperature resistance up to 400 degrees F and low compression set over the service life of the seal. Sold in packages of 2.

This O-ring is suited for use in residential and commercial systems where exposure to petroleum products, hydraulic fluids, fuels, and elevated operating temperatures is expected. Typical applications include pump flanges, valve bodies, compressor housings, and large-bore fluid connections where a reliable face or groove seal is required. Its low gas permeability also makes it appropriate for vacuum service. The working temperature range of -15 degrees F to 400 degrees F covers most HVAC, refrigeration, and mechanical system environments. Licensed HVAC technicians, plumbers, and millwrights are the primary installers.

Key Features

• Fluoroelastomer (Viton) compound rated for service from -15 degrees F to 400 degrees F
• 70 durometer hardness provides firm compression set resistance and long seal life
• Good resistance to petroleum products, fuels, and a wide spectrum of chemicals
• Low gas permeability makes it suitable for vacuum service applications
• Round cross section seats evenly in standard O-ring grooves for consistent sealing
• Package quantity of 2 per order unit

Compatibility

Designed as an OEM-style replacement or service seal for any system using a Dash 380 standard O-ring groove where fluoroelastomer material compatibility with petroleum products and high-temperature service is required.

Installation Notes

Shut down and depressurize the system completely before removing or installing any O-ring seal. Clean the groove and mating surfaces of debris and old seal material before seating the new ring. Lubricate with a compatible fluid or fluoroelastomer-safe grease to ease installation and prevent pinching or twisting. Follow applicable mechanical and plumbing codes for pressure system reassembly and leak verification after service.