Type:(raised face, flat face ) slip-on welding plate steel pipe flanges, (raised face, female face, male face, tongue face, groove face, flat face) hubbed slip-on welding steel pipe flanges,  (raised face, female face, male face, tongue face, groove face, flat face, ring joint face) steel pipe welding neck flanges, (raised face, female face, male face, tongue face, groove face, flat face, ring joint face)integral steel pipe flanges, (raised face, female face, male face, tongue face) socket-welding steel pipe flanges, (raised face, flat face ) threaded flanges, stub end lapped joint steel pipe flanges, loose plate steel pipe flanges, (raised face, female face, male face, tongue face, groove face, flat face, ring joint face) steel pipe blind flanges, (raised face, male face, tongue face) lining flanges, etc.

The external diameter range is DN15 - DN2000(1/2"-80")

The materials are stainless steel(304,304L,321,316,316L) and carbon steel.