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: 1-1/2" - 40", DN40 - DN1000

Design Std: BS5155 / EN598

Features: Face to Face ISO 5752 .
  Pressure: Class125 - Class300, PN6 - PN40
  Temperature: -20° C - 200° C
  Test to API598, ISO5208
  lever , worm gear , pneumatic apparatus , electronic operation
  surface treament per electroplating , nylon plating coating , epoxy coating
  Top Flange：ISO5211.