Purpose :
Cast gate valves for reservoir pressure maintenance system PN 160 / 250 are used as locking devices in the processing train of oil and gas industry, refineries and others.
|
Nominal Pressure, bar |
160; 250 |
| Operating medium | Water, petroleum |
| Tightness class | A according to GOST 9544 |
| Connection to pipeline |
Flanged according to GOST 28919, ГОСТ 12815, by welding |
| Medium flow
|
Any direction |
| Drive type |
|
| Applied standards |
ТУ У 28.1-33704680-013:2012 |
| Ambient class | У, ХЛ according to GOST 15150 |
| Installation position | Any position |
Valves with the specific customer requirements can be manufactured provided that stated requirements are compatible with the applicable operating standards.
MAIN PARTS MATERIAL
| Arrangement I | Arrangement II | |
| Body |
Steel 20ГСЛ |
Steel 12Х18Н9ТЛ |
| Bonnet | Steel 20ГСЛ | Steel 14Х17Н2 |
| Yoke | - | Steel 12Х18Н9ТЛ |
| Gate | Steel 25Х2М1Ф | Steel 14Х17Н2 |
| Stem | Steel 14Х17Н2 | Steel 14Х17Н2 |
| Packing bush | Steel 30Х13 | Steel 30Х13 |
| Packing gland ring | Steel 30Х13 | Steel 30Х13 |
| Seat | Steel 20 | Steel 12Х18Н10Т |
| Welding |
Powder ПР-НХ15СР2 ПР-НХ16Р3 |
ЦН-12Л |
| Locking pin | Steel 25Х2М1Ф | Steel 14Х17Н2 |
| Stem bushing | Bronze | Bronze |
| Stem packing | ТМГ | ТМГ |
| Ambient class | УХЛ | У |
