We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

V90 Backup Ring: Rectangular C.S. Shape, 3/16 in C.S. - Viton® Backup O-Rings
V90Viton® Backup O-Rings

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

Also listed as: GRV890390 · GR V8 90 390

Brand
V90
Item
Backup Ring: Rectangular C.S. Shape, 3/16 in C.S.
Category
Viton® Backup O-Rings
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

V90
Manufacturer Part Number
GR-V8-90-390
C.S.
3/16 in
Durometer
90
Inner Diam
21 in

Technical Documents

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V90 Products
3G Electric (S) Pte. Ltd. — Singapore

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.

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