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loose plate flange

Sealing surface Forms RF、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、0C...
Product description

Sealing surface Forms

  RF、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/T9118-2000、HG20599-1997
 Size range

European system of steel pipe flanges Scope

Sealing surface PN/MPa
(bar)
0.6
(6)
 1.0
(10)
1.6
(16) 
2.5
(25)
 4.0
(40)
RF   DN10-600

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
42.0
Class 2500
RF DN15-600
(1/2"-24")
DN15-300
(1/2"-12")

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