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Chemical Processing |
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Sigma 600
Product Resources
Developed specifically for petrochemical and chemical use. FDA compliant for both low and high bolt loads. Is non contaminating with lower creep an cold flow. A single gasket replacement for metallic and non-metallic flange applications.
- Max Temperature: 500°F (260°C)
- Max Pressure: 1235 psig (8.5 MPa)
- ASME m: 1.4
- ASME y: 1595 psi (11 MPa)
- pH Range: 0–14
Style CGI - PTFE
Product Resources
Suitable for use with flat face and raised face flanges and specified for high pressure/temperature service or where corrosive or toxic media are present.
Sigma 500
Product Resources
MATERIAL: Biaxially orientated PTFE containing hollow glass microspheres
COLOR: Blue
COLOR: Blue
- Enhanced compressibility for low bolt loads Improved flexibility over conventional calendered and graphite sheets Moderate concentrations of acids & caustics, chlorine and hydrogen peroxide Can be used for all concentrations of sulfuric acid WRAS approved for hot and cold potable water services
Sigma 533
Product Resources
MATERIAL: Biaxially orientated PTFE containing barium sulfate
COLOR: Off white (pigment free)
COLOR: Off white (pigment free)
- Standard compressibility
- Ideal for sealing food, pharmaceutical and other non-contamination applications
- Strong alkaline solutions to other general chemicals
- Aqueous hydrofluoric acid below 49%
- Not suitable for sealing molten alkali metals or fluorine gas
Sigma 588
Product Resources
MATERIAL: Biaxially orientated PTFE
COLOR: Off white (pigment free)
COLOR: Off white (pigment free)
- Highly conformable surface layers designed for glass-lined, FRP, ceramic, plastic and low bolt load applications
- Modified PTFE inner core design to maximize sealability and prevent blow-out
- FDA compliant
Sigma 511
Product Resources
MATERIAL: Biaxially-orientated PTFE containing silica
COLOR: Fawn
COLOR: Fawn
- Standard compressibility
- Strong acids (except hydrofluoric) to general chemicals
- Can be used for all concentrations of sulfuric acid
- Not suitable for molten alkali metals, fluorine gas or hydrogen fluoride
- WRAS approved for hot and cold potable water services
Style CG - PTFE
Product Resources
Utilizes an external ring which accurately centers gasket on flange face: provides additional radial strength to prevent gasket blowout and acts as a compression stop. A general purpose gasket suitable for use with flat face and raised face flanges.
Thermiculite 715 Fiber Sheet
Product Resources
Manufactured with non oxidizing fiber with a higher required seating stress, ensuring good load bearing properties. It facilitates proper installation by maintaining flexibilty. Non-contaminating, good chemical resistance and fire safe.
- Max Temperature: 850°F (454°C) Max Pressure: 2030 psig (140 bar) ASME m: 3.2 ASME y: 4200 psi (29 MPa)
SF 2401
Product Resources
Medium quality, cost effective, compressed, non-asbestos sheet material. Based on a blend of aramid and inorganic fiber with a high quality nitrate binder system. Suitable for use with oils, solvents, gases, hot and cold water, low pressure steam and many dilute acids and alkalis.
- Max Temperature: 662°F (350°C) Max Pressure: 1450 psig (100 bar) ASME m: 3.2 ASME y: 2900 psi (20 MPa) pH Range: 3–11
Style CG - Flexible Graphite
Product Resources
Utilizes an external ring which accurately centers gasket on flange face: provides additional radial strength to prevent gasket blowout and acts as a compression stop. A general purpose gasket suitable for use with flat face and raised face flanges.
Flexpro Graphite Gasket
Product Resources
The Flexpro gasket exhibits excellent compressibility and recovery characteristics, maintaining joint tightness under pressure and temperature fluctuations, temperature differential across the flange face, flange rotation, bolt stress relaxation, and creep. Suitable from vacuum to extremely high pressure applications.
Flexpro PTFE
Product Resources
The Flexpro gasket exhibits excellent compressibility and recovery characteristics, maintaining joint tightness under pressure and temperature fluctuations, temperature differential across the flange face, flange rotation, bolt stress relaxation, and creep. Suitable from vacuum to extremely high pressure applications.
