| DNDN（mm) | DN50～DN250 |
| Air source pressure | 0.4～0.7 |
| differential pressure | 小于nominal pressure |
| nominal pressure | 1.6、2.5、4.0Mpa ANSI 150LB、300LB |
| body Material | WCB、304、316、304L、316L |
Valve plate material
| WCB、304、316、304L、316L |
| Stem material | 304、316、304L、316L |
| Filler | Filler、Teflon V typeFiller、 Teflon carbon fiber、Flexible graphite |
Seat sealing form
| Metal carbide seal：-29℃～425℃ |
control method | Switch type |
| The form of action | Air-on type、gas-off type |
| Pneumatic executive body form | Single-acting、dual-acting |
| Optional executing mechanism | Linear stroke piston cylinder QGB Linear stroke piston cylinder QGS |
| Attachment | solenoid valves、Limit switch、locking valves、 air filtration relief valves、Handwheel mechanism |
| The form of the connection | Electrical valve locators |
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