T-OA axisymmetrical check valve 

Nominal diameter: DN 25−2250 (1″ to 90″)

Connection: flanged, welded, tie (interflanged)

Nominal pressure: PN 16−420 (ANSI 150−2500)

Working temperature: from -196°C to +600°C

Body material: carbon steel, stainless steel, cold resistant alloy steel. Other materials per request

Seal: metal

Tightness: class C according to GOST 9544−2015/EN 12266−1

Main options: heating jacket; support feet; mounting lugs