Bellows sealed gate valve
 |
Type | 834 |
| Description | Gate valve with encapsulated superlong bellows and emergency gland | |
| DIN PN | 10-160 | |
| DIN DN | 15-800 | |
| ANSI Class | 150-900 | |
| ANSI NPS | 1/2-30 | |
| Temperature Rating | -196°C up to +800°C | |
| Body forms | Straight pattern body | |
| Basic shell material | Low temperature carbon steel, Carbon steel, High temperature carbon steel, Stainless steel, High temperature stainless steel, High chromium stainless steel, Hastelloy, Inconel, Pure nickel, Titanium, Other special alloys | |
| Connections | Flanged ends, Butt welding ends, Socket welding ends, Threaded ends, Other requirements | |
| Operation | Handwheel, Chainwheel, Gear operator, Electric actuator | |
| Application | For highly toxic, aggressive, inflammable, volatile and expensive media under consideration of the material resistance | |
| Approvals | US Patent US 6.202.984 B1 |