| Product | Type residue drainage check valves. |
| Nominal diameter | 2 Inch - 20 Inch. |
| Design temp. | Down to -29℃. |
| Design pressure | PN10-25. |
| Material | Carbon steel. |
| Design standard | GB/T 12237. |
| Face to face | GB/T 12221. |
| Connection end | Flange. |
| Test standard | GB/T 13927. |
| Package | Plywood |
| Application | Ash water mixture, slag mixture. |
Source: https://www.vervovalve.com/type-residue-drainaga-gate-valve-dn200-pn100-wcb-rf.html
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