V90 Backup Ring: Rectangular C.S. Shape, 3/16 in C.S., 3 57/64 in Inner Diam.
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring, supplied in a 3 PK set. It features a 3/16 in cross-section, a 3 57/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-344/3).
SKU 3G-OTH-518504
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Product Description
The V90 Backup Ring is a rectangular cross-section Viton® backup O-ring, supplied in a 3 PK set. It features a 3/16 in cross-section, a 3 57/64 in inner diameter, and a durometer of 90 (MPN GR-V8-90-344/3).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a V90 Backup Ring used for?
A V90 Backup Ring prevents O-ring extrusion in high-pressure hydraulic and pneumatic systems. Its rectangular cross-section supports the O-ring under pressure, extending seal life in pumps, valves, and cylinders across industrial applications.
What are the specifications of the V90 Backup Ring GR-V8-90-344/3?
This Viton® backup ring has a 3/16 in cross-section, a 3 57/64 in inner diameter, and a durometer of 90. It is supplied as a 3 PK set with rectangular cross-section shape, MPN GR-V8-90-344/3.
Where to buy V90 Backup Rings worldwide?
3G Electric supplies V90 Backup Rings worldwide, handling full logistics and customs clearance. We source genuine Viton® backup rings like the GR-V8-90-344/3 and deliver to your facility, no matter the location.
How to install a V90 Backup Ring?
Install the V90 Backup Ring on the low-pressure side of the O-ring in the gland. Ensure the rectangular cross-section faces the O-ring. Lubricate with compatible fluid and avoid sharp edges to prevent damage during assembly.
V90 Products
3G Electric supplies V90 viton® backup o-rings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









