Ningbo Rilson Sealing Material Co., Ltd.  

Product Name: ASME B 16.20 Flexible Graphite Spiral Wound Gasket Manufacturer Model NO.: RS-5001 Combination Washer Structure: O Type Material: Stainless Steel Type: Flat Gasket Certificate: Ios9001 Trademark: According to clients' requirement Transport Package: Crate Origin: China HS Code: 8484100000 Product Description The metal Spiral wound gasket is a semi metallic flat gaskets spirally wound by V or W shaped stainless strip and filling material.Filler is the main body of the gasket and different material is used in different conditions.Specifications:Product NameIndustrial seal metallic spiral wound gasket carbon steel gasketSize10-3000mmHoop material304,316,316L,Mon400,Inconel,Etc.spiral Wound gasket coefficientm=2.5-4Use pressure≤25MPaUse temperature of spiral wound gasket-196 C -700 C (not more than 600 C in oxidizing medium)Minimum pretension ratioY=68MPaFlanges standardASME B16.20Type,Flange1.Basic type: Tongue and Groove2.With outer ring: Raised face and Flat face3.With inner ring: Male and Female4.With inner and outer ring: Raised face and Flat faceSpiral Wound Gasket Advantages:1.Have good compression and resilience;2.With appropriate plasticity, can be tightened to adapt to the sealing surface of the rugged and fill the sealing surface gap to ensure that the system temperature and pressure in the case of alternating with good sealing performance.3.Has excellent corrosion resistance; in some extreme media is not destroyed, does not produce a large expansion and contraction.4.High temperature conditions do not soften, no creep; low temperature conditions do not harden, do not shrink.5.Have sufficient strength, under external load conditions, not crushed; under high pressure, not blown out.Spiral wound gasketfilling material:FillingSteel bandInner ringOuter ringTemperature(°C)Maxoperating pressure(kg/cm2)SUS304Carbon steelCarbon steel-200~550250GraphitewrappingSUS 316SUS304SUS304-150~450100TeflonwrappingSUS316LSUS 316SUS 316240~260100SUS316LSUS316LWrapping pad thickness tolerance:ItemThickness(mm)Tolerances(mm)Gasket thickness4.5, 3.2+0.2,-0.1Ring thickness3.0±0.24