V90 Backup Ring: Rectangular C.S. Shape, 1/8 in C.S., 3 1/8 in Inner Diam.
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, a 1/8 in cross-section, and a 3 1/8 in inner diameter, supplied in a 5-pack (MPN GR-V8-90-235/5). It has a durometer of 90. 3G…
SKU 3G-OTH-518575
Need installation or engineering help?
Ask a question
Product Description
The V90 Backup Ring is a Viton® backup O-ring with a rectangular cross-section shape, a 1/8 in cross-section, and a 3 1/8 in inner diameter, supplied in a 5-pack (MPN GR-V8-90-235/5). It has a durometer of 90. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is a V90 Backup Ring used for?
A V90 Backup Ring prevents extrusion of O-rings in high-pressure hydraulic and pneumatic systems. It supports the seal in grooves, extending service life in pumps, valves, and cylinders across industrial applications.
What are the specifications of the V90 Backup Ring GR-V8-90-235/5?
This Viton® backup ring has a rectangular cross-section, 1/8 in cross-section, 3 1/8 in inner diameter, and a durometer of 90. It comes in a 5-pack (MPN GR-V8-90-235/5).
Where to buy V90 Backup Rings worldwide?
3G Electric supplies and delivers V90 Backup Rings worldwide. We handle full logistics and customs clearance, sourcing genuine industrial components across 14 departments including combustion, pumps, and controls.
How to install a V90 Backup Ring?
Install the backup ring on the low-pressure side of the O-ring in the gland. Ensure the groove is clean and lubricated. Avoid twisting the ring during assembly to maintain seal integrity and prevent extrusion.
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.









