Body construction: wafer type monoblock body with bi-directional flow. ... 316,316LConnection: waferSeat:NBR, EPDMPacking: Graphite, PTFEBody construction: wafer type monoblock body with bi-directional flow.Applicable medium: sewage ... water, powder, paper pulpActuator: hand wheel, bevel gear, pneumatic, electric, hydraulic, electro-hydraulic, chain wheel, lever Pneumatic Slurry Knife Gate Valve