Site application

Site application

Site application

Site application

Solution for pump protection

zidongzaixunhuan_2Modern 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.

ZDM Model

ZDM series automatic recirculation valve
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 automatic recirculation valveZDL 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 series automatic recirculation valve

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

datian building

datian arc valve

Shanghai Datian Valve is specialized in wide variety of automatic recirculation valve (ARC valve) for more than 15 years now. High quality, stable performance, simple installation, convenient maintenance. Datian can produce complete size valves, welcome to contact us. We will provide our high quality products and sevices.
Our has acquired API 6D and CE certification and as well as the management system as ISO9001 and TS 29001. Our products have been sold worldwide include Middle East, European countries, South American, South Asia and Africa.

Production Environment

Production-Environment_6Production-Environment_1Production-Environment_2Production-Environment_3Production-Environment_4Production-Environment_5