Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.079 in
(2.00 mm)
0.610 in
(15.50 mm)
FKM Parker VB153-75 X-Ring, Size: 2X15.5
Material: FKM Parker VB153-75 X-Ring
Size: Metric 2X15.5 X-Ring
Part Number: VB153-75-XR-2X15.5
Parker Seal® (Parker)
VB153-75
FKM (Viton®)
75
Shore A
FKM Type A (General Purpose Viton®)
Low Compression Set
Color: Black
Detailed Description
VB153-75-XR-2X15.5 is a Black, 75 Shore A, FKM (Viton®) X-Ring made from Parker Seal® (Parker), a FKM Type A (General Purpose Viton®) product. It is a 75 durometer FKM (Viton®). Parker Seal® (Parker) VB153-75 is manufactured with the following features & specifications: Low Compression Set, General Purpose Material. VB153-75-XR-2X15.5 is Metric size 2X15.5 X-Ring also referred to as 2mm (Cross Sectional Diameter (CS)) x 15.5mm (Inside Diameter (ID)). Material: 75 Durometer FKM Parker VB153-75 X-Ring Size: Metric 2X15.5, 2mm CS X 15.5mm ID (0.079" CS X 0.610" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | VB153-75 |
| Brand | Parker Seal® (Parker) |
| Material | FKM (Viton®) |
| Subtype | FKM Type A (General Purpose Viton®) |
| Color | Black |
| Durometer | 75 Shore A Hardness |
| High Temperature | 204 °C / 399 °F |
| Low Temperature | -26 °C / -15 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | X-Ring |
| Size Standard | Metric |
| Size | 2X15.5 |
| Cross Section (CS) | 2.00 mm / 0.079 in |
| Inside Diameter (ID) | 15.50 mm / 0.610 in |
Parker VB153-75 is a 75 shore A black FKM compound formulated for fuel system sealing applications where good compression set resistance and long-term durability are required. This material performs well in O-rings and gaskets exposed to fuels, petroleum-based oils, and a wide range of hydrocarbons, including aromatic and chlorinated media. It also offers strong resistance to ozone, weathering, and aging, making it suitable for both indoor and outdoor industrial environments as well as high vacuum systems. With a typical service temperature range of approximately -150°F to 400°F, VB153-75 can be compared to other fuel-resistant FKM compounds when evaluating equivalent materials for demanding sealing applications.
FKM, commonly referred to as Viton®, is a high performance fluoroelastomer widely used in O-rings and gaskets where resistance to fuels, oils, and elevated temperatures is essential. Compounds designed for improved compression set resistance help maintain sealing force over time, especially in applications involving thermal cycling or long service intervals. These materials are commonly used in automotive fuel systems, aerospace components, and industrial fluid handling equipment where reliability is critical. While highly versatile, FKM materials are generally not recommended for hot water, steam, or certain polar solvents, making proper material selection important for optimal performance.
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