V90 Backup Ring: Rectangular C.S. Shape, 3/16 in C.S.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, 3/16 in cross-section, and 20 in inner diameter. It has a durometer of 90 and is identified by manufacturer part number GR-V8-90-389.
SKU 3G-OTH-518249
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Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, 3/16 in cross-section, and 20 in inner diameter. It has a durometer of 90 and is identified by manufacturer part number GR-V8-90-389.
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. It 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-V8-90-389?
The V90 Backup Ring has a rectangular cross-section shape, 3/16 in cross-section, 20 in inner diameter, and a durometer of 90. It is made of Viton® and carries manufacturer part number GR-V8-90-389.
Where to buy a V90 Backup Ring worldwide?
3G Electric supplies the V90 Backup Ring worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order the GR-V8-90-389 or similar Viton® backup rings.
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 ring is not twisted and seats flat against the groove wall. Lubricate lightly with compatible fluid to avoid pinching 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.
