Coke oven gas valves
 |
Type | P57 |
| Description | Shut Off Cock and Reversing Cock (3-way-cock) with lubrication system, approved stem sealing system in accordance with TA-Luft | |
| DIN PN | 10-40 | |
| DIN DN | 65-300 | |
| ANSI Class | 150-300 | |
| ANSI NPS | 2 1/2 - 12 | |
| Temperature Rating | +20°C up to +80°C | |
| Body forms | Straight pattern body"Straight pattern body | |
| Basic shell material | Founding - Spheroidal graphit cast irons for example: EN-GJS-400-15 (GGG-40); A 536 Grade 60-40-18 | |
| Connections | Flanged ends, Threaded ends, Other requirements | |
| Operation | Wrench, Lever, special coke oven plant operation system | |
| Application | Especially for coke oven gas in coke oven plants, battery heating system | |
| Approvals | Stem sealing system approved in accordance with VDI 2440/ TA-Luft |