Types
- Weir type
- Straight through type
Body materials
- Bronze
- Cast iron
- Ductile iron
- Carbon steel
- Stainless steel
Body coating materials
- Hard rubber
- Butyl rubber
- Enamel
- PP
- ETFE
- PFA
- PTFE
Diaphragm materials
- PTFE
- Fluoroelastomer
- Chlorosulphonated polyethylene
- Polychloroprene (neoprene)
- Nitryl
- Butyl
- EPM
- Natural rubber
Connections
- Screwed BSP or NPT
- Flanged UNI/EN or ANSI
Operating
- Handwheel
- Pneumatic actuator on-off
- Control pneumatic actuator