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- Anfeng Village, Oubei Street, Yongjia County, Wenzhou, Zhejiang, China
- marketing@sqvalves.com
- +86-577-67159376
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16/Apr
2019
Butterfly valve
The butterfly valve, also known as the flap valve, is a simple regulating valve. The butterfly valve that can be used for the switching control of the low-pressure pipeline medium
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15/Apr
2019
Principle of selection of plug valve
It is used to distribute the medium and change the flow direction of the medium. Its working temperature is not higher than 300 °C, the nominal pressure is PN≤1.6MPa, and the nomin
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14/Apr
2019
Installation and maintenance of plug valves
When installing the plug valve, in order to prevent damage to the plug valve and to ensure the full performance of the plug valve, you should pay attention to the following four po
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13/Apr
2019
Advantages of Plug Valves
It is not restricted by the installation direction, and the flow direction of the medium can be arbitrary.
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12/Apr
2019
Classification of Plug Valves
According to the structure, it can be divided into four types: tight-type plug valve, self-sealing plug valve, plug valve and oil-filled plug valve.
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11/Apr
2019
How the plug valve Works
A plug body with a through hole is used as a valve for the opening and closing member. The plug body rotates with the valve stem to achieve the opening and closing action.
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10/Apr
2019
Introduction to plug Valve
The plug valve is a fast-switching, straight-through valve that can also be used for media with suspended particles due to the wiping action between the rotary seal faces and the c
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09/Apr
2019
Plug Valve
The plug valve is a closing or plunger-shaped rotary valve that opens or closes by opening or closing the passage opening on the valve plug to the passage opening on the valve body
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08/Apr
2019
Key points of gate valve installation
The installation position, height, and import and export direction must meet the design requirements, and the connection should be firm and tight.
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07/Apr
2019
Gate Valve Precautions
Handwheels, handles and transmission mechanisms are not allowed to be used for lifting, and collision is strictly prohibited.
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06/Apr
2019
Gate Valve Features
The body is made of high-grade ductile iron, which is about 20%~30% lighter than traditional gate valves, and is easy to install and maintain.
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22/Apr
2019
Advantages of Gate Valves
The flow resistance is small. The inner medium passage of the valve body is straight through, the medium flows in a straight line, and the flow resistance is small.