Nominal pressure, bar |
16, 25 |
Operating medium |
I - water, steam, natural gas without hydrogen sulfide and other liquid and gaseous nonaggressive medium neutral to the valve parts II - aggressive liquid medium (40% of nitric acid, 20% of phosphoric acid, oil acid), up to 6% hydrogen sulfide-rich natural gas, acid vapors, acid vapors, liquid and gaseous aggressive medium |
Operating medium temperature |
I - ≤ +300℃ II - ≤ +450℃ |
Tightness class | B, C according to GOST 9544, A - upon customer’s request |
Connection to pipeline |
Flanged according to GOST 12815-80, by welding |
Drive type | Manual (handwheel), gear box, electric actuator |
Applied standards |
ТУ У 29.1–05744691-016:2007 |
Ambient class | У1 (U1) according to GOST 15150 |
Installation position | Any situation with electric actuator in upper hemisphere |
Valves with the specific customer requirements can be manufactured provided that stated requirements are compatible with the applicable operating standards.