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  • Common Usage of Check Valve
    Posted: 09/23/2016 16:07:21 Hits: 12

    Check valve is a kind of valve that depends on flow of medium to open or close disc. Check valve is used to avoid back flow of valve.    Based on structure, check valve can be classified into lift check valve, swing check valve, butterfly check valve, pipe valve. 1. Lift check valv...

  • Usage of Butterfly Valves Under Working Conditions
    Posted: 09/23/2016 16:07:21 Hits: 4

    Most of butterfly valves can be used for medium containing suspended solid pellets for disc moving with wipe. According to strength of sealing face, butterfly valves are also used for powdery or grainy medium. Butterfly valves have low face to face dimension and overall height, opened or closed ra...

  • Structural Features of Stainless Steel Butterfly Valves
    Posted: 09/23/2016 16:07:21 Hits: 3

    Structural features of stainless steel butterfly valves The spring of stainless steel butterfly valves is assembled together with adjusting bolts on plate. The structure compensates effectively tolerance zone between shaft sleeve and body and elastic deformation of stem under the pressure of med...

  • Problems Exist on Hard Seal Butterfly Valve
    Posted: 09/23/2016 16:07:21 Hits: 7

    With large programs being put into construction, valves are widely used in power, petroleum, chemical industry, urban supply and drain water system. Particularly, butterfly valves have large usage. So customers are facing with more and more problems when using butterfly valves.   ...

  • Pipeline Ball Valve Technical Requirements
    Posted: 09/23/2016 16:07:21 Hits: 7

    When use pipeline to transmit liquid or gas, the cost is only 1/3 of railway transportation and 2/3 of marine transportation. So, pipeline has already been highly developed for 100 years. The valves used for pipeline are called as pipeline valves, including ball valve, gate valve, check valve and ...

  • Missing Pressure Regulating Valve Causes faucet Damage
    Posted: 09/23/2016 16:07:21 Hits: 6

    Many people might take it for granted that when they turn on their water everything will flow normally. But some homes might be missing an important piece of equipment you may never have heard of -- pressure regulating valve.   Margaret Cantrell learned the hard way. She has an expensive ...

  • Feature of Hard Seal Eccentric Semi-Ball Valve
    Posted: 09/23/2016 16:07:21 Hits: 5

    Hard seal eccentric semi-ball valve uses the common path of eccentric body, eccentric ball, seat and stem for centring when they make rotational motion. It is tighter during closing to realize sealing. The ball is separated from seat completely, eliminating the abrasion of sealing ring and overcom...

  • Soft Seal Plug Valve Introduction
    Posted: 09/23/2016 16:07:21 Hits: 3

    Soft seal plug valve is applicable for medium having corrosion or toxicity. The materials of valve cannot cause pollution to medium. For different medium, body is made of alloy steel, carbon steel and stainless steel.   A. For different temperature, lubricating liner of plug valve is made...

  • Full Forging Duplex Stainless Steel Globe Valve Profile
    Posted: 09/23/2016 16:07:21 Hits: 4

    The excellent properties owned by full forging duplex stainless steel globe valve are determined by materials performances and valve structural features. Duplex stainless steel refers to ferrite and austenite inside solid solution account for half of proportion. So, duplex stainless steel combines...

  • Different Types of Ball Valves on Structure
    Posted: 09/23/2016 16:07:21 Hits: 11

    Based on structure, ball valves are classified into following types:   1. Floating ball valves The ball of floating ball valves is floating. Under the pressure of medium, the ball can displace and compress on the sealing face of exit to ensure the sealing of exit.   Floating ball ...