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, a 3/16 in cross-section, and a 21 in inner diameter. It has a durometer of 90 and is identified by manufacturer part number…
SKU 3G-OTH-518248
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Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, a 3/16 in cross-section, and a 21 in inner diameter. It has a durometer of 90 and is identified by manufacturer part number GR-V8-90-390.
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. It supports the O-ring in gland grooves, extending seal life under dynamic or static loads. Common in industrial machinery, pumps, and valves where Viton® material resists high temperatures and chemicals.
What are the specifications of the V90 Backup Ring GR-V8-90-390?
The V90 Backup Ring has a rectangular cross-section shape, 3/16 in cross-section, 21 in inner diameter, and a durometer of 90. It is made of Viton® and carries manufacturer part number GR-V8-90-390. These dimensions suit large-bore hydraulic applications.
Where to buy V90 Backup Ring GR-V8-90-390 worldwide?
3G Electric supplies the V90 Backup Ring GR-V8-90-390 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Viton® backup ring.
How to install a V90 Backup Ring?
Install the V90 Backup Ring on the low-pressure side of the O-ring in the gland groove. Ensure the rectangular cross-section sits flat against the groove wall. Lubricate with compatible fluid to avoid pinching. Never stretch the ring beyond 50% of its inner diameter 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.
