We just finished manufacturing some monoflange, DBB valves for one of our clients in Iraq. They are for the ROO project transporting produced oil & gas.
Product descriptions Monoflange, double block & bleed, one-piece, wafer-type 1/2" FNPT outlet,1/4" FNPT plugged bleed, OS&Y Bolted bonnet needle valve (Primary block) Threaded bonnet needle valve (Secondary and vent) As per datasheet M15A01, piping class A09E2B Commodity code PVMC1BK1JFDEZM4 Fire safe design: API 607
Valve design: EEMUA 182 End connection: RTJ flange as per AMSE B16.5 Face to face dimension as per manufacturer’s std = 82mm