1)Name:flat flange(SO,WN,LJ,JIS)(stainless steel flange,plate flange)
2)Standard: GB/T12459, GB/T13401, SH3408, SH3409, HG/T21635, HG/T21631, ASME B16.9, MSS SP-43, DIN 2605, JIS B2313
3)Materials: 304, 304L, 306, 306L, 317, 317L, 321 and 904L stainless steel
4) Types: WN, BL, PL, SW, SO and RF

5)Size: 1/2 to 36 inches
Pressure class range: 150 to 2, 500 pounds
Certification: ISO9001-2000
All standard and special sizes are available according to customer's request
Other types:
Welding neck
Threaded (screwed)
Slip-on
Lap joint
Blind
Socket welding.