Tricentric butterfly valves

Performing shut-off function at pipelines transporting steam, oil, and other liquid and gaseous non-aggressive and aggressive mediums at the temperature up to +450°С.
NPS 2˝… 80˝ PN 1,6...4,0 MPa
Design Features: Tricentric construction ensures lower torque index in comparison with customary constructions; • Metall-to-metall or soft closure sealing; • Size-conscious design; • Split body. 

Size range: DN 2” to 80”

Pressure Class: PN 1,6 to 4,0 MPa

Temperature range: up to +450 °C

Tightness: complete tightness (zero leakage). 

Line medium flow: 
bidirectional.

Connection: flanged, welded. 
       
Operation: gear, electric actuator. 
       
Materials: CS, SS upon Customer’s request.

Service life: 30 years.