ASME Spiral Wound Gasket (G2120) for Flange Valve Jont Seal Sealing Material

CHYGRA Spiral Wound Gaskets can be used to seal fluid
Pressure up to 250 bar cryoprnices temperature as low as -200° C and up to elevated temperature of 1000° C. Products are widely used in the oil, gas, petrochemical process and engineering industries.Spiral wound gaskets type:TypeThickness(mm)Basic form3.24.5With inner ring4.5With outer ring4.5With inner and outer ring4.5Structure type:FillerHoopInner ringOuter ringAsbestosSUS 304Carbon steelCarbon steelGraphiteSUS 316SUS 304SUS 304PTFESUS 316LSUS 316SUS 316SUS 316LSUS 316LThe table below may be used for selected material of inner ring and winding metal.Trade nameAISIHardness(HB/HV)Temperature(°C)Stainless steel 304304130~180-250~+550Stainless steel 316316130~180-100~+550Stainless steel 316L316L130~190-100~+550The outer ring is generally manufactured from carbon steel with an anti-corronsion treatment.The table below may be used for determining the correct filler.Filler materialTemperature(°C)Max operating pressure(kg/cm 2 )Graphite-200~550250Asbestos-150~450100PTFE-240~260100Flange type and Spiral Wound Gasket formFlange typeSpiral Wound Gasket formFlat face flange(F.F)Gasket with an outer ringGasket with an inner and outer ringRaised face flange(R.F)Gasket with an outer ringGasket with an inner and outer ringMale and female flange(M & F)Basic form gasketGasket with an inner ringTongue and groove flange(T & F)Basic form gasketGasket with an inner ringFlat and groove flange(F & G)Basic form gasketGasket with an inner ringTolerances of thicknessItemThickness(mm)Tolerances(mm)Gasket thickness4.5, 3.2+0.2
-0.1Ring thickness3.0±0.24The table below specifies the production diameter tolerance (Nominal pipe diameter for flanges in accordance with):DIN (mm)ANSI B16.5
BS1560 (mm)
Mss sp-44API 605TolerancesInner ring I.D.
Gasket I.D.<=600<=24">=26" and <=34"±0.5>600 and <=800>24" and <=34">=36" and <=60"±0.9>800 and <=1600>34" and <=60"±1.3>1600>60"±1.6Gasket O.D.<=600<=24"<=24"±0.9>600 and <=1600>24" and <=60">24" and <=60"±1.81600>60"±2.2Outer ring O.D>=1/2" and <=60"±0.9<=600<=24"0-1.0>600 and <=1000>24" and <=34"0-1.8>1000 and <=1600>34" and <=60"0-2.2Note:1.We also can produce according to JIS.JPI standards or client request.
Pleasetellusthespecifications,quantityandpackingyouwant,sothatwecanworkouttheoffer.
-We are OEM, you can tell us your requirements, we can do our best to do it.
The LOGO of your brand, Paper box, and another.-First payment,100%T/T in advance,after second time 50%T/T in advance,50%T/T 60 days from invoice days.
-The goods are guaranteed for 3 months, from date of sale, providing not damaged by the user. Replace or return unconditionally.
- No minimum order quantity.
If you need, we can send sample for you.
Plz kindly find the attachment about our company and catalog.CiXi Hongye Sealing And Packing CO.,LTD.
FAX: +86-574-63800036
Phone:+86-574-63896038
WEBSITE:www.chinaseal.com