Value Collection ZMSCV70173 Viton O-ring Dash 173

Product Description

The VALUE COLLECTION ZMSCV70173 is a Dash 173 Viton O-ring designed for static and dynamic sealing applications in fluid and gas systems. Manufactured from fluoroelastomer, it delivers a round cross-section seal with an inside diameter of 8.5 inches, an outside diameter of 8.688 inches, and a thickness of 0.0937 inches. With a Shore hardness of 70 and a working temperature range of -15 degrees F to 400 degrees F, this O-ring handles high-heat service without taking a permanent set. It is installed by plumbers, pipefitters, HVAC technicians, and industrial maintenance trades in systems that handle petroleum-based fluids, fuels, or hydraulic media.

This O-ring is suited for residential and commercial applications where contact with petroleum products, hydraulic oils, or fuels is expected. Its low compression set and low gas permeability make it a reliable choice for vacuum service and pressurized line connections. The fluoroelastomer compound provides a wide spectrum of chemical compatibility, making it a common replacement seal in pump housings, valve bodies, manifolds, and flange assemblies that require a large-diameter O-ring seat.

Key Features

• Fluoroelastomer (Viton-type) material with good resistance to petroleum products and hydraulic fluids
• Working temperature range of -15 degrees F to 400 degrees F for high-heat service
• Shore hardness of 70 for a hard, durable cross-section with low compression set
• Low gas permeability makes this O-ring suitable for vacuum and pressurized gas service
• Round cross-section seats cleanly in standard Dash 173 O-ring grooves
• Sold in a package of 2 units per order

Compatibility

Designed as a standard Dash 173 O-ring replacement for any system or component that accepts an 8.5-inch ID fluoroelastomer O-ring in a round-cross-section groove. Confirmed compatible with petroleum products and related media per manufacturer specifications.

Installation Notes

Power down or depressurize the system and relieve all line pressure before removing the old O-ring. Inspect the groove for nicks, scoring, or debris that could damage the new seal or cause a leak path. A light application of a compatible lubricant aids seating and reduces the risk of twisting the O-ring during installation. Follow applicable codes such as IPC or IFGC for plumbing and gas systems, and consult equipment manufacturer torque specifications for any fasteners securing flanged connections.