bellow seal valve, bellow valve, bellow sealed valve
Flange ends: ASME B16.5 for NPS≦24", ASME B16.47/MSS SP-44 for NPS>24".
Butt-welding ends: ASME B16.25.
Test & inspection: API598.
Class: 150Lb~2500Lb or PN10~PN160 or JIS 10K ~ JIS 40K.
Sizes: 1/2"~ 48" or DN15~DN1200.
Materials: WCB, WC6, WC9, LCB, CF8/304, CF8M/316, CF3/304L, CF3M/316L, CF8C/347, S31803/2205, S32750/2507, CN7M/Alloy 20, 904L, etc.