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    抓取时间:2015年02月14日 07:32:00
    网址:http://baox.org/
    标题:Datian Automatic Recirculation Valve | Automatic Recirculati
    关键字:拉力机,拉力试验机,材料试验机,万能材料试验机,电子拉力试验机,弯曲试验机,剥离试验机,环刚度试验机,金属材料试验机,塑料试验机,橡胶试验机,弹簧试验机,万能试验机,万能拉力机
    描述:本公司致力于拉力机,拉力试验机,材料试验机,万能材料试验机,电子拉力试验机,弯曲试验机,剥离试验机,环刚度试验机,金属材料试验机,塑料试验机,橡胶试验机,弹簧试验机,万能试验机,万能拉力机 等产品生产与销售。
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    Automatic Recirculation Valves for Centrifugal Pump Minimum Flow Protection
    Call Us : +86-21-68106360
    ZDT series ARC valve
    ZDM series ARC valve
    ZDL seriesARC valve
    Back pressure valve
    Minimum flow control valve
    The working theory of pneumatic valve The role of pneumatic positioner
    Datian smart control valve marches into the environmentally-friendly chemical industry
    Datian is granted many technological patents
    Datian has successfully developed the high pressure power station control valve
    Datian control valve
    Applications of our product
    We do prefer friendly competition
    Pump Run Out Protection
    Start Up Internals
    Frequently asked question
    Valve Repair & Service
    Working principle
    Typical layout and flowchart of the ARC valve
    Instruction for installation and maintenance
    Solution for pump protection    
    Modern industrial equipment process request centrifugal pump are basically work under condition of variable flow. An automatic recirculation valve (ARC valve) is a multifunctional valve whose primary purpose is to ensure that a pre-determined minimum flow is assured through a centrifugal pump at all times. This is important as centrifugal pumps suffer from overheating and cavitation and can be permanently damaged if they run dry.
    Through many years of research and development, continuous innovation and practice, shanghai datian valve Co. research ZD series Automatic recirculation control Valve, to prevent overheating, serious noise, unstable and erosion damage of centrifugal pump under low load operation. As long as the flow rate of the pump valve below a certain value, the bypass backflow mouth will automatically open to ensure necessary minimum flow of pump.
    Automatic Recirculation Valve Data Sheet
    ZDM Model
    ZDM Model  Automatic recirculation control valve Multistage decompression to preventing cavitation, reducing velocity, suitable for high pressure conditions; Forged steel body, material: carbon steel or Stainless steel etc; Non-return valve function is standard, Maximum pressure differential up to 30 MPa; Pressure CL150# - 2500#, size1’’ - 20’’;Manual bypass operation is optional.
    ZDL Model    
    ZDL Model  Automatic recirculation control valve Multi-orifice cage bypass, low noise, suitable for middle and low pressure conditions;  Forged steel body, material: carbon steel or Stainless steel etc;  Non-return valve function is standard, Maximum pressure differential up to 6 MPa; With venturi port main flow check valve structure, be applicable for complicated working conditions...
    ZDT Model
    ZDT Model  Automatic recirculation control valve Simple structure, low cost, long life, suitable for Low pressure working conditions; Cast valve body, material: carbon steel or stainless steel etc; Big flow of bypass, maximum flow is 60% of main flow, KV value can be adjusted; Bypass maximum operating pressure differential up to 4 MPa; Pressure CL150# - 400#, size1’’ - 16’’.
    About Us
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