Marine Emergency Shut-Off Valve is also called as Marine Quick Closing Valve. It is used to shut off the fuel oil pipeline in emergency. It can controlled by lever or the air cylinder. Materical can be cast steel, bronze, nodular iron.Operation type: Pneumatic Design Standard: JIS F7399-1996 Test Standard: JIS 7400-1996 Hydraulic Test Pressure:Body- 0.7Mpa, Seat-0.2Mpa,Seal for quick closing-0.1Mpa Flange size as per JIS B2220 - 10K Main Material: Body: Cast Steel Bonnet: Cast Steel Seat: Brass Disc: Brass Stem: Brass Operation Spindle: SUS403 Air Cylinder Brass Operation Lever: SUS403 Handwheel: FC200 (Cast iron)