Needle Valve Series

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Sand Filter Air Scour Valving and check valves.2010-11-24
I am working on an adding air scour to an existing rapid sand filter system at a water treatment plant. Because of the pipe configuration, I have very limited horizontal room where the pipe turns into
Pressure Surge from High Service Pump Help2010-11-23
At the local WTP they are having a surge problem from one of the high service pumps. The pump is a 1600 GPM pump with a swing check and soft start drive.
Cryogenic ball valve cavity vent2010-11-23
We have two 2" ball valves that tie into a cryogenic line (minus 100 C). The ball valves have cavity vents. In between the ball valves is a check valve.
Need a reference for valves suitable for energy isolation (OSHA)2010-11-23
Definition of shutoff valve: A valve designed for and capable of positive closure to prevent flow within a piping system. Typical shutoff valves include, but are not limited to, manually-actuated, po
Liquid Ring Vacuum pump2010-11-23
I've got an odd question and I'm not sure there is a definitive correct answer but I'd appreciate your postulations! A customer uses a Liquid ring vacuum pump to create a vacuum in a vessel we supply.
Can I measure Water Hammer?2010-11-23
Is Water Hammer the resultant "Noise" from the shock of acceleration of water? If so, Water Hammer is nothing more than vibration. Is there a point when Water Hammer is pressent and not detectable by
PICCV or Circuit Setters2010-11-22
I have a colleague (old school) at work who insists on the use of PICCV for a computer room air conditioner as basis of design. The Lieberts (our preferred vendor) come with either 2- or 3-way valves
Manual and Hydraulically Actuated Gate Valves2010-11-22
Can someone please help me out with the differences between; 1.a manual gate valve and hydraulically actuated gatevalve 2.needle valves and gate valves.
Shanghai MeiYan Yi Pump & Valve Co., Ltd.
MeiYan Yi needle valve Contact MeiYan Yi
Kaiweixi Valve Group Co., Ltd.
Kaiweixi needle valve Contact Kaiweixi
Zhejiang Shanliu Valve Technology Co., Ltd.
Shanliu needle valve Contact Shanliu
Shanghai Fengqi Industrial Development Co., Ltd.
FengQi needle valve Contact FengQi