The valves manufactured and sold by Shanghai Datian Valve Pipe Engineering Co., Ltd including self-control valve, ARC valve, automatic pump recirculation valve, lining valve and fittings. Self-control valve are regulating valve, electric regulating valve, pneumatic valve, vertical pressure regulating valve, vertical temperature regulating valve, magnetic valve.

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Modern industrial equipment process request centrifugal pump are basically work under condition of variable flow, which needs set up automatic control devices in the process. However, when centrifugal pump under low load operation will appear overheating, serious noise, unstable and erosion which caused damage of pump.

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ZDL series Automatic Recycle valve is a kind of pump protection valve. It automatic protect centrifugal pump when pump body occur cavitation damage or unstable (especially conveying hot water at low load operation medium). Once pump flow is lower than the preseted flow, bypass can completely open to ensure the minimum required flow pump.

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To Products

Welcome to visit our company website!

About Us

1The valves manufactured and sold by Shanghai Datian Valve Pipe Engineering Co., Ltd . The products include self-control valve, manual valve, china automatic recirculation valve, pump protection valve,ARC valve.

The Products

2Modern industrial equipment process request centrifugal pump are basically work under condition of variable flow, which needs set up automatic control devices in the process.

Service

3We also take the product quality as the lifeline. Here, our company makes a description of the valves’quality, delivery, quality assurance, after-sales service and so on.

Contact Us

4Tel: +86-21-6810 6366
+86-21-6810 6360
Fax:+86-21-5810 9777
No.3223,Zhouzhu Road,Pudong District,Shanghai,201323 China