CF4000 with inner and outer rings
Description:
CF4000 with inner and outer ring is mainly installed on flanged RF type couplings (IBC type).The presence of the external centering ring and the internal containment ring mean that this gasket can be used on high pressure piping lines.
They can be supplied according to ASME B16.20 or EN 1514-2 standards or customized according to customer specifications.
- Ideal for the oil & gas industry
- Excellent mechanical behavior even at high temperatures and pressures
- Wide choice of structural conformations, types of alloys and fillers
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TECHNICAL FEATURES
- Metal parts: Stainless Steel 304, 316, 316L: T°min -80 °C; T°max +500 °C | Stainless 321, 316Ti, 347: T°min -250 °C; T° max 550 °C | Alloy 400, 600, 625, 800: T°min -130 °C; T° max 600 – 950 °C | Hastelloy C276, B2: T°min -200 °C; T° max 450 °C | Titanium: T°min -250 °C; T° max 350 °C
- Filler material: graphite T° max 550 °C, P max 250 bar | virgin ptfe T° max 250 °C, P max 100 Bar, Mica T° max 400 °C, P max 120 bar
- Graphite standard quality: Ash content ≤ 2 % (DIN 51903) *** on request graphite quality ≤ 0.15 % | Chloride content ≤ 50 ppm (DIN 28090 – 2) | Sulphide content < 500 ppm | Corrosion inhibitor
- Gasket factors (ASTM): m factor 3 | y factor 10000 psi (68,96 MPa)
- Approvals: Fire Safe API 6FB Third edition | Ta – Luft VDI 2440
- Density: 0.7-0.8 g/cm3
- Flange surface finish: 125 – 250 AARH
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