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
