Flange and Fitting

Flange and Fitting

Flange

Type
Welding Neck (WN) Globe ValveSlip On (SO)
Socket Welding (SW) Blind (BL)
Lap Joint (LJ) Screwed Flange (SF)
Plate Flange (PF)  
 
Size (inch)
WN, SW, BL, LJ, SO; ½”-72”  
SF, PF ½”-12”  
 
Rating
Class 150lbs to 6000lbs  
 
Material
Carbon Steel (CS) Stainless Steel (SS)
High Alloy Steel (AS)  
 
Standards
CS; ASTM A105, A105N
SS; ASTM A182 Gr. F304, F316
AS; ASTM 305 Gr. F11, F12
 
 
Dimension
ASME B16.5  
 

Fitting

Type
Elbow 90° Long Radius (LR) Elbow 90° Short Radius (SR)
Elbow 45° Long Radius (LR) Elbow 45° Short Radius (SR)
Tee Equal Tee Reducing
Cross Equal Cross Reducing
Reducer Con. Reducer Ecc.
Lap Joint Stub Ends Caps
Union Coupling
Hex Nipple  
 
Size (inch)
½” – 48”  
 
Thickness
SCH5S – SCH160  
 
Rating
Class 150lbs – 6000lbs, High Pressure  
 
Material
Carbon Steel (CS) Stainless Steel (SS)
High Alloy Steel (AS)  
 
Standards
CS; ASTM A234 Gr WPB
SS; ASTM A182 Gr F304, F316, F316, ANSI B16.9, B16.28
 
Ends
Screwed Socket Weld
Butt Weld  

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