Blog

16

2018

/

05

How to deal with the reducer motor damp

Reducer motor damp is a big problem in many wet working environment enterprises. The air humidity is high, and many reducer motors are not sealed, so the probability of being affected with moisture is relatively large. So how to avoid the reducer motor from being affected with moisture, and how to deal with the motor after being affected with moisture, Wuhan Xiete Valve Technology Co., Ltd. will discuss the above problems with everyone. In the actual production of many enterprises, after a part of the reducer motor is placed for a period of time, it is found that the insulation resistance of the motor winding is reduced when it is enabled again, and sometimes the insulation breakdown of the motor coil occurs. This is the performance of the motor affected with moisture, which not only damages the machine, but also easily

14

2018

/

05

Self-operated electric control valve use and maintenance methods

With the rapid development of China's industry, electric control valve in metallurgy, petrochemical and other fields of application more and more widely, its stability, reliability is becoming more and more important, its working condition will directly affect the automatic control process, Wuhan Xiete Valve Technology Co., Ltd. will elaborate on the use and maintenance of electric control valve. Precautions for installation and use of the newly designed and installed control system. In order to ensure that the regulating valve can work normally when driving and make the system operate safely, before installing the new valve, first check whether the nameplate mark on the valve is consistent with the design requirements. The following items shall also be commissioned. Basic error limit;

09

2018

/

05

Maintenance method of electric two-way valve

1. that the electric two-way valve does not work after being energized, check whether the power supply wiring is defective → rewire and connect the connector to check whether the power supply voltage is in the working range → adjust the normal position range to check whether the coil is deselded → reweld the coil short circuit → replace the coil to check whether the working pressure difference of the coil is inappropriate → adjust the pressure difference → or replace the matching electric valve fluid temperature of the matching electric valve is too high → replace the matching electric valve with impurities to check valve cleaning, if the seal is damaged, replace the seal and install the filter. The liquid viscosity is too high, the frequency is too high and the service life has reached → replace the product 2.. The electric two-way valve cannot close the main valve core or iron movement

07

2018

/

05

Shipment of balanced pneumatic stop valve

Balanced pneumatic stop valve is shipped. This product is our invention patent. It has the advantages of remote control, opening and closing balance, flexible action, reliable sealing and so on, and is recognized by customers.

03

2018

/

05

What are the anti-freezing protection measures of the trap

Selection, installation of the appropriate trap as long as there is steam through, there will be no freezing problems. However, if the steam is cut off, the steam condensate will form a vacuum in the heat exchanger or the accompanying pipe. This prevents condensation from freely draining out of the system before freezing occurs. Therefore, a vacuum breaker should be installed between the discharge equipment and the trap. If gravity discharge is not used from the trap to the return pipe, the trap and discharge pipeline should be discharged manually or automatically using a discharge pipe with antifreeze measures. Also, when multiple traps are installed together in the trap station, the trap insulation can prevent freezing. Anti-

25

2018

/

04

How to select the actuator and valve drive device

The actuator and the valve body shall be assembled and debugged to form the control valve assembly. It is used to drive the valve to act, and at the same time, the mechanical position of the valve and the opening information are fed back to the automation system. form an automated control unit. Actuators in accordance with the access to energy to distinguish, there are three main categories: 1. electric actuator 2. pneumatic actuator 3. electro-hydraulic actuator (access to the hydraulic device to drive a larger torque valve, usually used for large valves) according to different valve structure and process conditions, need to choose a different actuator to meet the control needs. usually in

23

2018

/

04

Transformation of electric actuators

Electric actuator is a very important executive unit in the combination surface of electric unit in industrial control system. Electric actuators can supply linear or rotary motion of the drive device, it uses some kind of driving power and under the action of some kind of control signal. Electric actuators use liquid, gas, electricity or other power and convert it into driving action through motors, cylinders or other devices. The electric actuator is generally composed of two completely independent parts on the circuit, the control circuit and the executive organization. It can receive the electronic control signal from the scheduler and convert it linearly into a mechanical angle or linear displacement to operate the damper and baffle., Valve and other adjustments

18

2018

/

04

Eight Ways to Improve the Life of Regulating Valve

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