we know that, in general, soft seal butterfly valve as hard seal butterfly valve is expensive, so why soft sealing butterfly valve is so much cheaper? What is the disadvantage of hard seal butterfly valve? Soft sealing butterfly valve is generally used in cleaning, small gas, liquid and other medium viscosity, its sealing materials for rubber, ptfe and other soft materials. The material machining accuracy is not high, the price is relatively cheap, and does not have resistance to high pressure, high temperature resistant performance. Therefore, soft seal butterfly valve basically can not adapt to high temperature and high pressure work. Soft sealing butterfly valve sealing surface is made of soft material, so the sealing performance is good, but it is also due to the sealing surface of soft materials easy to wear and aging leads to the short service life. These are the reasons why soft sealing butterfly valve is cheap.

The flow control valve approach to y gate valve is becoming increasingly popular; consequently, there is a surge in the demand for .
Now you can enjoy os&y valve with Shenzhen Mech Valve Trading Co., Ltd.'s latest collection of os&y gate valve wedge gate valve products. Do visit now, at Mech Valve.
To find a qualified at reasonable price, contact Shenzhen Mech Valve Trading Co., Ltd. at Mech Valve, a professional provider and tell them what you envision for your double flanged gate valve.