The opening and closing part of manual butterfly valve is a disc-shaped butterfly plate, which rotates around its own axis in the valve body to achieve the purpose of opening and closing or regulating. The butterfly plate of the manual butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical passage […]
We all know that there are many kinds of ball valves, including this butterfly valve is one of them. Then the well-known difference between ball valve and butterfly valve is its opening and closing parts, the opening and closing parts of butterfly valve are plates, and the ball valve is a ball. They all rotate […]
One. Opening and closing parts are different Gate valve: The opening and closing part is the gate, the movement direction of the gate is perpendicular to the direction of the fluid. Butterfly valve: The opening and closing part is a disc-shaped butterfly plate, which rotates around its own axis in the valve body. Globe valve: […]
The knife gate valve is a gate that opens and closes vertically along the body passage. The gate has the function of cutting off, and can be used in sewage or impurity pipelines. The butterfly valve is a rotary valve. The butterfly valve rotates in the channel to open and close. It has flow loss […]
VALVE:CHECK;STEEL, 300DIAX180MM L, WAFER TYPE QNSI SER#150 DBL DISC 316+EPDM SEAT APPLICATION: POTABLE WATER MFR: STV CORPORATION OR EQUIVALENT” NOTE: SEAT MATERIAL: TO BE ADVISEDHS:848180409 0 The WAFER check valve refers to a valve that automatically opens and closes the valve flap by means of the flow of the medium itself, and is used to […]
China’s pump and valve market is less concentrated in the industry, mainly in the production of low-end products. In terms of owning core technologies, there is still a certain gap between domestic enterprises and developed countries in the world. At present, there are still some problems in China’s valve industry. For example, Chinese valve companies […]
The butterfly valve is a simple regulating valve, which is mainly composed of a valve body, a valve stem, a butterfly plate and a sealing ring. The valve body has a cylindrical shape with a short axial length and a built-in disc. The butterfly valve has the advantages of flexible operation and labor saving, and […]
Swing check valve is suitable for nominal pressure PN1.0MPa~42.0MPa, CLASS150Lb~2500Lb; nominal diameter DN15mm~1200mm, NPS1/2″~48″; working temperature -196C~540C for various pipelines, used for Prevent the media from flowing backwards. By using different materials, it can be applied to a variety of media such as water, steam, oil, nitric acid, strong oxidizing medium and urea. The structure […]
Stainless steel valves refer to valves made of stainless steel. Stainless steel valves are used in the industry: food biscuit industry, instant noodles and rice noodle industry, various quick-frozen food dewatering line equipment, and glass products industry. So how do stainless steel valves work? Opening and closing of the valve: The stainless steel valve is […]
What should we pay attention to when using self-sealing forged steel valves? Forged steel valves often ignore the problem of grease injection. After the grease gun is refueled, the operator selects the valve and the grease injection method after the low temperature shut-off valve, and then performs the grease filling operation. There are two kinds […]
