| Standard |
Type |
Class |
Size |
| ASME B16.5 |
WN/LWN/SO/Blind/Lap Joint |
150#-2500# |
1/2"-24"(Except Blind Flange 2500lb 1/2"-12") |
| SW flange |
150#-1500# |
1/2"-3"(Except 1500# 1/2"-2 1/2") |
| Threaded |
150#-900# |
1/2"-24" |
| 1500# 2500# |
1/2"-2 1/2" |
| Sealing Surface |
RF FF RTJ TF GF LF LM |
| Flange Face Finish |
Stock Finish/Spiral Serrated/Concentric Serrated/Smooth Finish(Ra 3.2 and 6.3 micrometers) |
| 125-250 AARH(it is called smooth finish) |
| 250-500 AARH(it is called stock finish) |
| Coating |
Vanish, yellow paint, anti-rust oil, galvanizing etc |
| Material Grade |
Stainless Steel |
ASTM/ASME A/SA182 F304,304L,304H,309H,310H, |
| 316,316H,316L,316LN, |
| 317,317L,321,321H,347,347H |
| Duplex and Super Duplex Steel |
ASTM/ASME A/SA182 |
| F44,F45,F51,F53,F55,F60,F61 |
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