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18.000 in
(457.20 mm)
21.620 in
(549.15 mm)
1/4"
FKM Parker VB153-75 Ring Gasket, Size: 150#-18"-RN-1/4"
Material: FKM Parker VB153-75 Ring Gasket
Size: 150#-18"-RN-1/4" Ring Gasket
Part Number: VB153-75-150#-18"-RN-1/4"
Parker Seal® (Parker)
VB153-75
FKM (Viton®)
75
Shore A
FKM Type A (General Purpose Viton®)
Low Compression Set
Color: Black
Detailed Description
VB153-75-150#-18"-RN-1/4" is a Black, 75 Shore A, FKM (Viton®) Ring Gasket 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. VB153-75-150#-18"-RN-1/4" is size 150#-18"-RN-1/4" Ring Gasket also referred to as 18 (Pipe Size) x 457.2mm (ID) x 549.15mm (OD) x 1/4" (Thickness). VB153-75-150#-18"-RN-1/4" is a size 18, 150#-RN ASME Ring Gasket. Material: 75 Durometer FKM Parker VB153-75 Ring Gasket Size: 150#-18"-RN-1/4", 18 Pipe Size X 457.2mm ID X 549.15mm OD X 1/4" Thickness
| 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 | |
| Type | Ring Gasket |
| Size | 150#-18"-RN-1/4" |
| Pipe Size | 18 |
| ID | 457.20 mm / 18.000 in |
| OD | 549.15 mm / 21.620 in |
| Thickness | 1/4" |
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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