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Compressed Fiber Klingersil C4430 Gasket
QS Gasket: Compressed Fiber Klingersil C4430 Gasket
Name: Compressed Fiber Klingersil C4430 Gasket
Standard: ASME B16.5
Material: Klingersil C4430
Max Temperature: 400℃
Size: 2 Inch
Pressure: 150LB
Complete Set: with G10 Sleeve and Washers and ZPS
Compound: with Aramid Fiber Reinforced with a Nitrile Binder
Standard: ASME B16.5
Material: Klingersil C4430
Max Temperature: 400℃
Size: 2 Inch
Pressure: 150LB
Complete Set: with G10 Sleeve and Washers and ZPS
Compound: with Aramid Fiber Reinforced with a Nitrile Binder
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Compressed Fiber Klingersil C4430 Gasket is a 2-inch, Class 150 LB high-performance non-asbestos gasket that meets ASME B16.5 and withstands temperatures up to 400 °C. Reinforced with aramid fibres and bonded with NBR rubber, it resists oil, steam and creep, maintaining a tight seal for life. Each set ships with an insulating G10 sleeve & washer plus a ZPS metallic kit, allowing one-step installation. Designed for critical flanges in chemical plants, refineries and marine systems, it is safe, maintenance-free and longer-lasting.
What is the basic make-up of Compressed Fiber Klingersil C4430 Gasket?
Compressed Fiber Klingersil C4430 Gasket = aramid fibre + glass fibre + NBR nitrile rubber. These three ingredients work together to deliver “seal + insulate” performance:
Compressed Fiber Klingersil C4430 Gasket = aramid fibre + glass fibre + NBR nitrile rubber. These three ingredients work together to deliver “seal + insulate” performance:
1. Aramid fibre
Function: gives Compressed Fiber Klingersil C4430 Gasket high tensile strength and tear resistance so the gasket cannot be “blown out” on 150 lb steam flanges at 400 °C.
Example: think of aramid as “rebar”; a 2 mm thick Compressed Fiber Klingersil C4430 Gasket compresses only 8 % under 50 MPa load yet rebounds 55 %—the skeleton is held by aramid.
Function: gives Compressed Fiber Klingersil C4430 Gasket high tensile strength and tear resistance so the gasket cannot be “blown out” on 150 lb steam flanges at 400 °C.
Example: think of aramid as “rebar”; a 2 mm thick Compressed Fiber Klingersil C4430 Gasket compresses only 8 % under 50 MPa load yet rebounds 55 %—the skeleton is held by aramid.
2. Glass fibre
Function: a high-temperature “scaffold” that suppresses thermal creep and raises the dielectric strength of Compressed Fiber Klingersil C4430 Gasket, blocking electrochemical corrosion currents.
Function: a high-temperature “scaffold” that suppresses thermal creep and raises the dielectric strength of Compressed Fiber Klingersil C4430 Gasket, blocking electrochemical corrosion currents.
Example: on an offshore platform’s 316L flange a plain-fibre gasket flows at 300 °C; with glass fibre added, stress relaxation is only 39 MPa after 175 °C/16 h—no hot retorquing required.
3. NBR nitrile rubber (Nitrile Binder)
Function: bonds the fibres into one body and fills flange micro-grooves, creating an elastic barrier against oil, water and fuel; it also makes Compressed Fiber Klingersil C4430 Gasket itself electrically insulating, breaking galvanic loops.
Function: bonds the fibres into one body and fills flange micro-grooves, creating an elastic barrier against oil, water and fuel; it also makes Compressed Fiber Klingersil C4430 Gasket itself electrically insulating, breaking galvanic loops.
Example: in a refinery 2″ 150 # diesel line, Compressed Fiber Klingersil C4430 Gasket immersed in Fuel B for 5 h at 23 °C swells only 5 % with zero leakage; volume resistivity is 45 × 10¹² Ω·cm and the electrochemical corrosion rate drops by one order of magnitude.
4. 3XA anti-stick coating (optional)
Function: keeps Compressed Fiber Klingersil C4430 Gasket from sticking to flanges during installation or repair, cuts torque loss and extends life.
Function: keeps Compressed Fiber Klingersil C4430 Gasket from sticking to flanges during installation or repair, cuts torque loss and extends life.
Example: on the same heat-exchanger, a coated gasket can be removed and refitted in 10 min, whereas an uncoated traditional sheet must be scraped and sanded for 30 min, often gouging the flange face and creating a new leak path.
Summary: aramid “tensile”, glass “creep-resistant”, NBR “seal + insulate”, plus anti-stick coating—this is why Compressed Fiber Klingersil C4430 Gasket stays leak-free for life at 400 °C, 150 lb, in strong electrochemical environments.
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