Image shown is representative and may differ from the actual product in size, proportions, and color shade
5.560 in
(141.22 mm)
10.000 in
(254.00 mm)
8
0.880 in
(22.35 mm)
8.500 in
(215.90 mm)
1/2"
FFKM Chemraz 526 Full Face Gasket, Size: 150#-5"-FF-1/2"
Material: FFKM Chemraz 526 Full Face Gasket
Size: 150#-5"-FF-1/2" Full Face Gasket
Part Number: GPC526-150#-5"-FF-1/2"
Chemraz® (Greene Tweed)
526
FFKM (Perfluoroelastomer)
95
Shore A
Color: Black
Detailed Description
GPC526-150#-5"-FF-1/2" is a Black, 95 Shore A, FFKM (Perfluoroelastomer) Full Face Gasket made from Chemraz® (Greene Tweed). It is a 95 durometer FFKM (Perfluoroelastomer). [Chemraz® (Greene Tweed) 526 is manufactured with the following features & specifications: AED NORSOK M710, Anti-Explosive Decompression. GPC526-150#-5"-FF-1/2" is a size 5, 150#-FF ASME Full Face Gasket. Material: 95 Durometer FFKM Chemraz 526 Full Face Gasket Size: 150#-5"-FF-1/2", 5 Pipe Size X 141.22mm ID X 254mm OD X 8 Bolt Qty X 22.350mm Bolt Dia. X 215.900mm Bolt Circle X 1/2" Thickness
| Technical Specification | Value |
|---|---|
| Compound Number | GPC526 |
| Brand | Chemraz® (Greene Tweed) |
| Material | FFKM (Perfluoroelastomer) |
| Color | Black |
| Durometer | 95 Shore A Hardness |
| High Temperature | 250 °C / 482 °F |
| Low Temperature | -20 °C / -4 °F |
| Geometry Specifications | |
| Type | Full Face Gasket |
| Size | 150#-5"-FF-1/2" |
| Pipe Size | 5 |
| ID | 141.22 mm / 5.560 in |
| OD | 254.00 mm / 10.000 in |
| Bolt Qty | 8 |
| Bolt Dia. | 22.35 mm / 0.880 in |
| Bolt Circle | 215.90 mm / 8.500 in |
| Thickness | 1/2" |
| Other Specifications | |
AED NORSOK M710 | |
Anti-Explosive Decompression | |
Greene Tweed’s Chemraz® 526 is a 97 Shore A black perfluoroelastomer (FFKM) engineered specifically for rapid gas decompression (RGD) resistance in severe oilfield and energy-sector environments. Designed for high-pressure downhole and surface equipment, it provides excellent chemical compatibility and high-temperature stability when exposed to sour gas, acids, caustics, hot water, steam, and aggressive process fluids. With a service temperature range of -20°C to 250°C (-4°F to 482°F), Chemraz® 526 maintains sealing integrity during rapid pressure drops where conventional elastomers experience blistering or cracking. The compound has successfully passed ISO 23936-2 and NORSOK M-710 testing, confirming its suitability for critical RGD and sour gas applications.
Chemraz® 526 is widely used in drilling tools, wireline tools, completion equipment, valves, and pumps operating under extreme pressure and thermal cycling. Its combination of high durometer strength, broad chemical resistance, and proven decompression performance helps extend equipment life and reduce maintenance intervals in demanding oil and gas operations. This FFKM formulation is purpose-built for applications where RGD resistance and long-term durability are essential. Canyon Components offers equivalent FFKM materials designed to meet similar RGD, chemical, and temperature performance requirements for high-pressure sealing environments.
Common relevant keywords:
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