Body Material:
- Leaded Bronze – B584 Alloy C84400
- Cast Iron – A126 Class B
- Carbon Steel – A105 | A216-WCB
- Stainless Steel – A182 F316/316L | A351 CF8, CF8M
End Connections:
- Flanged – Raised Face (RF), Flat Face (FF)
- Screwed Connection (NPT) – Female National Pipe Threads (FNPT), Male National Pipe Threads (MNPT)
Types of Construction:
- Spring-loaded
- Balanced Bellows
- Pilot-operated