Material : Body : Cast Iron , Ductile Iron , Bronze / Aluminum Iron, AISI304/316;
Disc : Cast Iron , Ductile Iron , Bronze , AISI304/316;
Seat : EPDM , PTFE , NBR , VITON ;
Stem : Stainless Steel,Carbon Steel;
Dimension: DN100-DN1200 (4" -- 48 ")
Design Std: BS, AWWA, DIN , JS
Features: Face to Face:DIN3202 F4/F5,ISO5752 Service 13/14 , BS5155. .
Structre type: Double-eccentric Butterfly Valve
Flange connection dimension: DIN2533 PN16, BS4504 PN16
Pressure test: DIN3230
worm gear , pneumatic apparatus , electronic operation
surface treament per electroplating , nylon plating coating , epoxy coating