Product Description TYPICAL APPLICATIONDFSHOU back-flushing control valve can be connected with gravel filter or disc filter into an automatic backwash filtrationsystem, and it can also change the direction of flow in water supply. The control valve has 2 control chambers,which can be deformed into angular flow or direct flow through different spring assembly direction.The unique cavity design ensures large flow volume of water supply:Auto back-flushing filtrationg system - back-flushing control valves can be built into an automatic backwash system with gravel medium filter or disc filter. Water supply system - Being used in the water supply pipelines to reroute the water flow into angle or straight flow direction. FEATURE & ADVANTAGE• Hydraulic drive diaphragm control valve;• Unique plastic spool assembly design with tight sealing and corrosion resistance;• Short stroke of valves stabilizing water flow and avoiding blend of clean and dirty water;• Corrosion-proof and long lasting PP material;• Unique cavity design of BDV series ensuring high water flow;• With an easily dismantled driven system for convenient on production line checking and maintenance;• Dual-chamber design of BDV series valve with low-voltage drive to effectively protect the diaphragm;• With the possibility to install changeover joints in the drain of the direct flow valve, from 4 to 3, from 3 to 2, meetingthe demands of small flows.• With the application of dual chamber design, BDV series providing angular flow and direct flow options, and beingfree of installation direction confinement;TECHNICAL DATA ModelFlow DirectionConnections SizesConnectionsVolumn in Cavity(L)Working Pressure(Bar)Weight(kg) Straight2"X2"X2"BSP/NPT0.130.7-102.8 Straight3''x3''x3''BSP/NPT0.340.7-103.5 Straight4''x4''x4''BSP/NPT0.550.7-109.9 Company Profile Fujian Dafenshou irrigation Techonalogy Co.,Ltd. was established on August 18th,2011. It is a scientific and technological company specializing in the reserch and development of water-saving irrigation products and intelligent water and fertilizer integrated control system. Mainly products include intelligent water and fertilizer integrated control machine, PE pipes, micro-spraying,drip irrigation,hydraulic control valves,filters and related accessories for irrigation. /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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