The 4th FLOWTECH GUANGDONG Guangdong International Pump, Pipe and Valve Exhibition will be grandly opened in Guangzhou Poly World Trade Expo Hall from April 1 to April 3, 2019. Our booth number: 2H1132, experienced sales team and professional technic...

The gas ball valve refers to a valve that uses a ball with a circular passage as a starting and closing member, and the ball rotates with the valve stem to realize the opening and closing action. So what do you need to pay attention to when the gas b...

Firstly, remove the cylinder from the top of the valve body, start from the cover of the two ports of the cylinder, and completely disassemble the cover. When removing the piston, special attention should be paid to the direction of the gear bar, and...

In March, spring is strong, warm and cold Step into the company lobby in the morning O!M!G! What is the situation of this dessert table, Do you want to have a party! Don't care~~discard it Please! These cakes are too tempting It's so delicious! (...

Solenoid valves are widely used in our daily lives. The failure of the solenoid valve will directly affect the action of the switching valve and the regulating valve. 1. Air leakage: Air leakage will cause insufficient air pressure, making it difficu...

    Serial number Abnormal phenomenon the reason Solution Remarks 1 Surface discoloration The temperature of the barrel or head is too high, causing the material to decompose Cool down   The material is not stable enough a...

The loading of the regulating valve is carried out in the reverse step of disintegration. Pay attention to the following points when loading: 1.The gasket should be replaced with a new one. 2. After the sleeve is installed, the sealing surface of the...

1.Check the valve line on the valve plug and the valve seat, it should be in good condition, and there is no defect that affects the sealing effect. If there is a slight defect, the grinding method should be used to eliminate the grinding method; if ...

The throttle valve is used to adjust the flow of the medium in the equipment and the pipe. The working principle is mainly to change the flow passage area between the valve core and the valve seat to achieve the purpose of regulating the flow. The st...

Control valve leakage test method Type A test method 1.1 The test medium is a cleaning gas (air or nitrogen) or a liquid (water or kerosene) at 5 ° C to 40 ° C. 1.2 The test medium pressure is 0.35 MPa, and the specified allowable pressure difference...

The electric butterfly valve is a valve that uses a circular disc as a starting and closing member and rotates with the valve stem to open, close and adjust the fluid passage. The butterfly valve is not only simple in structure, small in size, light ...