Pneumatic Three-way Switch Valve - Dn300-dn400 Size | Medium Pressure, Ideal For Gas And Dust Applications, High Sealing Performance, Corrosion Resistance, Automatic Compensation Ability

Henan Shangfa Valve Co., Ltd, integrating science, industry and trade, is a modern enterprise specialized in manufacturing valves and related products for 18 years. We insist on making unremitting efforts in R&D of high-tech products and pay more attention to technological innovation. Our aim is leading the whole industry in technology and supply first class quality, high cost performance products and service. Our products have gained widespread praises from domestic and foreign served customers. Our products are made in different standards and mainly used in water, iron-making, chemical and petroleum industries, covering: Blast furnace metallurgical valve series: blind plate valves/goggle valve, pressure regulating valve unit, sluice valve, fully enclosed gate valve, fully open gate valve,ventilated dust removal butterfly valve, gas butterfly valve, hot blast valve, cold blast valve, snort valve, discharge valve, ash discharge ball valve, Rigid impeller feeder, bleeding valve, exhaust gas valve, explosion relief valve; Blast furnace related products: mud gun, tap hole drill machine, compact stock rod, double groove rope wheel, skip, skip hoist, stopper, air inlet device/ blasting device, hydraulic station, pig casting machine; Slag system valve series: wear-resistant eccentric semi-ball valve, triple eccentric rotary ball valve, completely metal seated butterfly valve; Desulfurization and denitrification flue Gas treatment system:ÃA  fluorine-lined valve, ceramic lined valve, square flue gas flapper valve, pneumatic flashboard valve; Water supply and drainage valve series: metal seated butterfly valve, rubber seated butterfly valve, wafer butterfly valve, flanged butterfly valve, silt prevention butterfly valve, slow closed check valve, eccentric half-ball valve, multifunction water control valve, gate valve, knife gate valve, expansion joint, force transfer joint, pipe expansion joint,strainers; Oil production and drilling system: DEMCO series interchangeable butterfly vlaves, mud gate valves. Turnkey Project and complete set of equipment matching and Service: Intelligent lubrication system; Static seal ring cooler, Vertical cooling kiln, Maerz lime kiln,etc.