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: ANSI/AWWA C504, EN593.

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