FKM VT90BK31 O-Ring, Size: -156
Material: FKM VT90BK31 O-Ring
Size: AS568 -156 O-Ring
Part Number: VT90BK31-OR-156
VT90BK31
FKM (Viton®)
90
Shore A
FKM Type GLT (Low Temp Viton®)
Low Temperature Material
Color: Black
Detailed Description
VT90BK31-OR-156 is a Black, 90 Shore A, FKM (Viton®) O-Ring, a FKM Type GLT (Low Temp Viton®) product. It is a 75 durometer FKM (Viton®). VT90BK31 is manufactured with the following features & specifications: Low Temperature Material, AED NORSOK M710, AED NACE TM0297, Anti-Explosive Decompression. VT90BK31-OR-156 is AS568 size -156 O-Ring also referred to as 2.62mm (Cross Sectional Diameter (CS)) x 107.62mm (Inside Diameter (ID)).
Material: 90 Durometer FKM VT90BK31 O-Ring
Size: AS568 -156, 2.62mm CS X 107.62mm ID (0.103" CS X 4.237" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | VT90BK31 |
| Material | FKM (Viton®) |
| Subtype | FKM Type GLT (Low Temp Viton®) |
| Color | Black |
| Durometer | 90 Shore A Hardness |
| High Temperature | 225 °C / 437 °F |
| Low Temperature | -40 °C / -40 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | AS568 |
| Size | -156 |
| Cross Section (CS) | 2.62 mm / 0.103 in |
| Inside Diameter (ID) | 107.62 mm / 4.237 in |
| Other Specifications | |
AED NORSOK M710 | |
AED NACE TM0297 | |
Anti-Explosive Decompression | |
VT90BK31 is a 90 shore A black FKM Type GLT compound engineered for anti explosive decompression performance in high pressure and low temperature environments. This material passes NORSOK M-710 and NACE TM0297 testing, making it well suited for O-rings and gaskets used in oil and gas applications such as downhole tools, valves, and pressure control systems. Its high durometer improves extrusion resistance while maintaining flexibility at lower temperatures, along with excellent chemical resistance to fuels, oils, and aggressive media. With a service temperature range of -40°C to 225°C, VT90BK31 meets ASTM D2000 M3HK914 requirements and can be compared to other AED-resistant GLT FKM compounds when evaluating equivalent sealing materials.
FKM, commonly referred to as Viton®, is a high performance fluoroelastomer widely used in O-rings and gaskets where resistance to heat, chemicals, and fuels is critical. GLT-type FKM materials are specifically formulated to improve low temperature flexibility, while AED-resistant formulations are designed to withstand rapid gas decompression without cracking or failure. These materials are commonly used in oil and gas, aerospace, and chemical processing industries where high pressure, thermal cycling, and harsh chemical exposure are present. While highly versatile, FKM materials are generally not recommended for hot water, steam, or certain polar solvents, making proper material selection essential.
Keywords: VT90BK31, VT 90BK31, VT-90BK31, VT90 BK31, FKM GLT AED, NORSOK M-710 FKM, NACE TM0297 elastomer, explosive decompression resistant rubber, oil and gas O-rings, high pressure gasket material, ASTM D2000 M3HK914, low temp FKM, chemical resistant fluorocarbon, Datasheet, TDS, Test Report, MTR, MSDS, SDS
