Applications: used as control or shut-off and control devices on trunk oil pipelines, oil product pipelines, and at pumping stations.
Climatic version: U, HL, UHL according to GOST 15150.
Ambient temperature:
- version U: –40°Ñ to +40°Ñ;
- versions HL and UHL: –60°Ñ to +40°Ñ.
Placement category: 1 according to GOST 15150.
Earthquake resistance:
- non-earthquake-resistant version (S0) for areas with seismic activity up to score 6 on MSK-64 scale;
- earthquake-resistant version (S) for areas with seismic activity score 6 through 9 on MSK-64 scale;
- heavy-duty earthquake-resistant version (PS) for areas with seismic activity score 9 through 10 on MSK-64 scale.
Pipeline connection:
- flanged (GOST 33259);
- welded.
Valve tightness class: A, B, and C to GOST 9544 (at the request of the customer).
Compatible substances: salable crude oil, oil products.