Cartridge valve

Plug valve, also known as manual knife gate valve, knife gate valve it is a gate and valve seat is always close contact sealing valve, the principle is that the gate is open with a diameter size of the round mouth, through the gate opening and closing the gate makes the gate on the round with the diameter to do with the detachment and coincide with the action. The advantage of this valve is that the valve body diameter without grooves, the media will not be blocked blockage, and has a full diameter circulation characteristics, the sealing structure can be divided into soft seal, hard seal structure. Penetrating knife gate valve is a structure, good workmanship, compact structure and so on, the sealing valve seat for the movable structure design, with anti-wear and automatic compensation function, thus long life. In the process of closing and opening the valve seat and gate has been close to the movement, making the valve opening and closing force stable, and has the characteristics of cutting off the medium.

From the eighties into our country. In less than twenty years, its scope of use from ordinary to a wide range of industries. From the mining power plant coal, gangue, slag discharge. Development to the city's sewage treatment, from the general industrial pipeline development to the food, health, medicine and other pipeline systems. Ultra-thin knife gate valve with its small size, small flow resistance, light weight, easy to install, easy to dismantle and other advantages to solve the common gate valve, flat gate valve, ball valve, globe valve, regulating valve, butterfly valve and other types of valves with large flow resistance, large weight, difficult to install, large floor space and other difficult problems. Knife gate valve appeared, a large number of general-purpose cut-off class valves and regulating valves have been replaced. To .

Folding performance

Knife gate valve has the advantages of simple and compact structure, lightweight and material saving, sealing, light and flexible operation, small size, smooth channel flow, small flow resistance, light weight, easy to install, easy to dismantle, etc., can be in the working pressure of 1.0MPa-2.5MPa, the use of the temperature-29-650 ℃ under normal operation. Knife gate valve has a shear function of its gate, can scrape off the sealing surface of the adhesion, automatic debris, stainless steel gate can prevent corrosion caused by seal leakage.

Folding installation

Knife gate valve installation and use 1. Before installation, check the valve cavity and sealing surface and other parts of the valve, do not allow dirt or sand adherence; 2. The connection parts of the bolts, requirements for uniform tightening; 3. Check the packing parts required to pressure, both the sealing of the filler, but also the gate to open the flexible; 4. Users in the installation of the valve, proofreading the valve model, connecting dimensions and pay attention to the direction of the media flow, the consistency of the requirements with the valve; 5. Users in the installation of the valve, the valve drive space reserved; 6. drive wiring shall be carried out in accordance with the wiring diagram; 7. knife gate valve regular maintenance, shall not be arbitrary collision and extrusion, so as not to affect the seal.