- Flanges
Blind Flanges
Thickness SCH10,STD,SCH40,SCH60,XS, SCH80,SCH120,SCH160,XXS
Materials:
ASTM A105 – Forged Carbon Steel
ASTM A181 – Forged Carbon Steel for General Purpose
ASTM A182 – Forged Alloy Steel and Stainless Steel
ASTM A350 – Forged Alloy Steel for low temperature services
Specification of Slip-On Flanges
DN15-DN2000
Slip-On Flange Pressure Grade
PN series: PN2.5Mpa~PN40Mpa;
Class series: Class150~Class1500;
Slip-On Flange Standard
National standard of the People’s Republic of China: GB/T 9116-2010 Steel Slip-On Flange;
Chemical industry standards of the People’s Republic of China: PN series (European system) in HG/T20592~20635-2009, Class series (American system) in HG/T20592~20635-2009;
Slip-On Flange Materials
Carbon Steel Flange: 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;
Stainless Steel Flange: ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8;
Alloy Steel Flange: ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/Ⅲ;
Sealing Surface Types For Slip-On Flanges
RF (Raised Face);
FF (Flat Face);
MFM (Male-and-Female Face);
F (Female Face);
M (Male Face);
TG (Tongue and Groove Face);
Among them, the uneven surface (MFM) is a matching use;
