... gate Valve Flash Board knife gate Valvenominal pressure; 0.6 mpa, 1.0mpa, 1. ... : NPS: 2-80suitable temperature: -29~+425connection flange: ANSI B16.5, JB/T79, HG, SH, JIS, DIN, NF, BS,main material C1 ... no leakage,driving devices: bevel gear, electric, handwheel, hydraulic, Flash Board knife gate Valve (API CE approved)