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socket welding flange

{Sealing surface Forms RF、MFM、TG、RJ Material Carbon Steel:ASTM A105,20#、Q235、16Mn、 ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2、ASTM A694 F42, F46,F48, F50, F52, F56, F60, F65, F70; Stainess Steel: ASTM A182 F304、304L、 F316、316L、1Cr18Ni9Ti、0Cr18Ni9Ti、321、18-8; Alloy Steel: ASTM A182 F1、 F5a、 F9、 F11、 F12、 F22、 F91、A182F12、A182F11、16MnR、Cr5Mo、12Cr1MoV、15CrMo、12Cr2Mo1、A335P22、St45.8/Ⅲ; Manufacturing Standards ANSI B16.5、HG20619-1997、GB/T9117.1-2000GB/T9117.4-200、HG20597-1997 European system of steel pipe flanges Scope Sealing surface PN/MPa (bar) 1.0 (10) 1.6 (16) 2.5 (25) 4.0 (40) 6.3 (63) 10.0 (100) RF DN10-50 MFM TG Inter-American system of steel pipe flanges Scope Sealing surface PN (MPa) (Class) 2.0 Class 150 5.0 Class 300 11.0 Class 600 15.0 Class 900 26.0 Class 1500 RF DN15-80 (1/2-3) DN15-80 (1/2-2.1/2) MFM - DN15-80 (1/2-3) TG RJ DN25-80 (1-3) function='cn_substr(@me,280)'/}...
Product description

Sealing surface Forms

   RF、MFM、TG、RJ
  Material
Carbon Steel:ASTM A105,20#、Q235、16Mn、 ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2、ASTM A694 F42, F46,F48, F50, F52, F56, F60, F65, F70;
Stainess Steel: ASTM A182 F304、304L、 F316、316L、1Cr18Ni9Ti、0Cr18Ni9Ti、321、18-8;
Alloy Steel: ASTM A182 F1、 F5a、 F9、 F11、 F12、 F22、 F91、A182F12、A182F11、16MnR、Cr5Mo、12Cr1MoV、15CrMo、12Cr2Mo1、A335P22、St45.8/Ⅲ;
 Manufacturing Standards 
    ANSI B16.5、HG20619-1997、GB/T9117.1-2000—GB/T9117.4-200、HG20597-1997

European system of steel pipe flanges Scope

Sealing surface PN/MPa
(bar)
 1.0
(10)
 1.6
(16)
2.5
(25) 
4.0
(40)
 6.3
(63)
10.0
(100)
RF   DN10-50
MFM
TG

Inter-American system of steel pipe flanges Scope

Sealing surface PN (MPa) 
(Class)
2.0
Class 150
5.0
Class 300
11.0
Class 600
15.0
Class 900
26.0
Class 1500
RF DN15-80
(1/2"-3")
DN15-80
(1/2"-2.1/2")
MFM - DN15-80
(1/2"-3")
TG
RJ DN25-80
(1"-3")

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