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The working principle, characteristics and structure of gate valves
- Posted: 06/01/2018 16:38:09
- Hits: 2
Working principles and characteristics of gate valves A gate valve is also known as a sluice valve, and it is mainly composed of a valve body, a valve bonnet, a gate disc, a valve stem, a va...
What Are the Knife Gate Valves? (Part Two)
- Posted: 10/13/2017 14:21:42
- Hits: 72
The knife gate valve with its sharp knife-shaped disc is used for liquids and gases with high density, and it was mainly applied to the paper industry at the very beginning. That is, this kind of ...
What Are the Knife Gate Valves? (Part One)
- Posted: 09/22/2017 15:31:05
- Hits: 45
A knife gate valve has two sealing surfaces and adopts the gate as its disc. The gate moves in perpendicular to the direction of fluids. With the help of the knife-shaped gate able to cut off the fibr...
What Are the Needle Valves? (Part Two)
- Posted: 09/13/2017 09:10:41
- Hits: 33
Needle valves have the capability of fine adjustments. Along the flow direction of media, these valves are operated to change the flow areas for blocking or regulating the flow. Nominal Pressure: PN2...
What Are the Needle Valves? (Part One)
- Posted: 09/09/2017 10:31:48
- Hits: 22
All the valves are operated for cutting off fluids. According to various valve cores, valves can be divided into globe valves, gate valves, plug valves, ball valves, butterfly valves, needle valves, e...
Why Sealing Surfaces of Forged Steel Ball Valves Are Damaged?
- Posted: 08/26/2017 14:02:41
- Hits: 18
Forged steel ball valves are mainly used for gas pipelines in urban areas, long-term petroleum pipelines and natural gas pipelines. The security, the weather resistance and the long-term working capab...
Outside Screw Stem Rising through Handwheel Type Gate Valves (Part Two)
- Posted: 08/08/2017 08:45:44
- Hits: 48
According to the position of the screw of the valve stem, the gate valve is divided into the outside screw stem rising through handwheel type gate valve and the inside screw non-rising stem type gate ...
Outside Screw Stem Rising through Hand Wheel Type Gate Valves (Part One)
- Posted: 07/31/2017 16:45:58
- Hits: 218
The outside screw stem rising through hand wheel type gate valve An outside screw stem rising through hand wheel type gate valve adopts the structure that the nut of the valve stem is on the valve bon...
Differences in Applications between Plug Valves and Ball Valves
- Posted: 06/17/2017 10:03:10
- Hits: 79
Plug-valve: Plug valves adopt cock bodies with through holes as their valve discs. The valve is opened and closed by the cock body rotating along with the valve stem. The small packless plug valve is ...
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