1.     Body: Ductile iron/cast iron/carbon steel

2.     Screen: Stainless steel

3.     O-ring: EPDM/graphite

4.     Cover: Ductile iron/cast iron

5.     Bolts: Stainless steel

6.     Plug: Stainless steel

7.     Working pressure: PN10, PN16, PN25

8.     Standard:BS DIN ANSI AWWA