difference between knife gate valve and butterfly 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 […]
STV DELIVERY THE WAFER CHECK VALVE,150LB,CF8M,DN300,2PCS
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 […]
Some defects in the stainless steel valve market in China
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 […]
Butterfly valve dimensions and models
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 […]
What is the purpose and structural characteristics of the swing check valve?
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 […]
