Purpose :
Stop steel valves PN 16 / 25 / 40 / 63 are used to take off operating medium stream in pipelines.
|
Nominal pressure, bar |
16, 25, 40, 63 |
| Operating medium |
I – water, air, steam, natural gas, ammonia, oil and petrochemicals, liquid and gas hydrocarbons and other medium; II –liquid agressive medium, natural gas with hydrogen sulfide content up to 6%, fire and explosion dangerous gas, acid vapor, other gas, neutral to the main parts material |
| Tightness class |
С according to GOST 9544, А – uppon customer's request |
|
Connection to pipeline |
Flanged according to GOST 12815, by welding |
| Applied standards |
ТУ У 29.1–05744691-022:2008 |
| Operating medium flow |
in the barrel direction (as indicated by the arrow on the valve body) |
| Drive type |
2 – manual; 9 – actuator |
| Ambient class |
У1according to GOST 15150 |
| Installation position |
For 1 type - any situation, for 2 type -with actuator in upper hemisphere |
Valves with specific customer requirements can be manufactured provided that stated requirement are compatible with the applicable operating standards.
MAIN PARTS MATERIAL
| Arrangement А | Arrangement Б | Arrangement В | |
| Body |
Steel 20, 20Л |
Steel 20, 20Л |
Steel 12Х18Н9Т, 12Х18Н9ТЛ |
| Bonnet | Steel 20, 20Л | Steel 20, 20Л | Steel 12Х18Н9Т, 12Х18Н9ТЛ |
| Stem | Steel 20Х13 | Steel 20Х13 | Steel 12Х18Н9Т |
| Barrel | Steel 20, 20Х13 | Steel 20, 20Х13 | Steel 12Х18Н9Т |
| Welding of sealing surface | ЦН-6Л | ЦН-6Л | ЦН-12Л |
| Valve packing | - | Fluoroplastic | - |
| Thread bush | Лц40С | Лц40С | Лц40С |
| Shaft packing | Expanded graphite | Expanded graphite | Expanded graphite |
