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  • 2014-09-23

High efficiency of fully automatic backwash filter wastewater treatment device

The fully automatic backwash filter overcomes the many shortcomings of traditional filtering products, such as low pollution capacity, easy blockage b..

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  • 2014-09-23

Specific measures for fire prevention of regulating valves

1. Fire prevention of valve bodyAlthough there are different opinions on the fire resistance of valves, different specifications, and different testin..

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  • 2014-09-23

How to prolong the service life of pneumatic ball valves

Pneumatic ball valve is a widely used universal valve in valves, with large usage and fast consumption. Therefore, reasonable maintenance can not only..

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  • 2014-09-23

How to choose and purchase electric valves

1. Operating torqueThe operating torque is the main parameter for selecting the valve electric device, and the output torque of the electric device sh..

  • 5094 Views
  • 2014-09-23

Troubleshooting methods for electric hard sealed butterfly valves

1、 Due to the multi-layer soft and hard laminated sealing ring fixed on the valve plate, when the water pump valve plate is in a normally open state, ..