flange sealing and insulating gasket
both full-face (Type E) and ring style (Type F)configurations.
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Details
FEATURES AND BENEFITS
• Seals and insulates at all pressures classed including API 15000 psi service
• Withstands severe service conditions including large bending moments, vibration, temperature and pressure cycling
• Designed to withstand corrosive environments, including high concentrations of CO2 , H2S, produced water, etc
• Outstanding insulation properties for cathodic protection
• Pressure-activated seals provide high confidence sealing and eliminate costly leaks
• Gasket is sized to the bore to protect flange faces from media-induced corrosion and flow-induced erosion
• Prevents turbulent flow at flanged connections
• Mitigates galvanic corrosion in dissimilar metal flanges
• Available to match any flange specification (ANSI,API,MSSP,BS,DIN,AS,others)
• Can mate mismatched RTJ with raised-face flange
• Easy installation, make up and removal
STAINLESS STEEL CORE
The standard stainless steel core is 316L. Special materials such as duplex stainless steel, inconel stainless steel can be made according the requirements.
GASKET MATERIAL
Properties | ASTM | G10 | G11 |
Water absorption % | D 570 | 0.04 | 0.07 |
Flexural Strength psi | D 790 | 65000 | 62000 |
Compressive strength psi | D 695 | 65000 | 60000 |
Dielectric Strength Volts/Mil | D 149 | 800 | 550 |
Tensile strength psi | D 638 | 50000 | 42000 |
Insulation resistance Meg.ohms | D 257 | 200000 | 200000 |
Temperature ℃ | ----------- | -196 to +150 | -196 to +200 |
SEAL ELEMENT TEMPERATURE LIMITS
Properties | Test Method | VITON | PTFE-SE |
Temperature ℃ | ----------- | -29 to +177 | -196 to +260 |
SLEEVE MATERIAL
Properties | ASTM | Mylar | Nomex | G10 | G11 |
Water absorption % Flexural Strength psi | D 570 D 790 | 0.8 13000 | N/A 20000 | 0.1 55000 | 0.1 55000 |
Dielectric Strength Volts/Mil Temperature ℃ | D 149 ----------- | 4000 -54 to +149 | 400 -54 to +232 | 400 -196 to +150 | 400 -196 to +200 |
WASHER MATERIAL
Properties | ASTM | G10 | G11 |
Water absorption % Compressive strength psi | D 570 D 695 | 0.04 65000 | 0.07 60000+ |
Dielectric Strength Volts/Mil Temperature ℃ | D 149 ----------- | 800 -196 to +150 | 550 -196 to +200 |
STEEL WASHER MATERIAL
Zinc Plated Steel (ZPS) Stainless Steel Washer(SS)
SHardened Coating Steel Isolating Washers(HCS) Xylan coated Carbon Steel(XPS)
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Company Overview
We are a professional company in manufacturing and exporting the steel products. Our products include Steel pipe, pipe fittings, flanges, steel sections , valves , and bolts nuts Etc. We have our own two big factories, which make seamless stainless steel pipe and pipe fittings, and also have warehouse for alloy steel products. Until now, we already have over 30years exporting experience in the different steel projects.
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