Another Batch of Dervos Ball Valves Will Be Sent
- Oct 12, 2024
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It is a pleasure to announce that another batch of our ball valves will be sent to customers very soon to play their role in the pipeline, and also to showcase
How to Choose Check Valves
- Oct 12, 2024
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A check valve refers to a valve that automatically opens and closes by the flow of the medium, which is used to prevent the medium from flowing backward, and pr
What is an Eccentric Plug Valve
- Oct 12, 2024
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Today we will introduce eccentric plug valves which are seldom provided by other factories. First, I would like to show you a photo of this kind of valve.
What is a triple eccentric butterfly valve?
- Oct 12, 2024
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The traditional hard seal butterfly valve sealing performance is not guaranteed, and the leakage amount is large. In order to change this situation, the hard se
How to Choose a Slab Gate Valve
- Oct 12, 2024
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The slab gate valve is a slide valve whose closing member is a parallel gate or wedge. Generally speaking, we have single disc & double disc slab gate valves, s
Classification of ball valves
- Oct 12, 2024
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1. Floating ball valve The ball of the ball valve is floating. Under the action of the medium pressure, the ball can generate a certain displacement and press a
Fire Safe Design for Ball Valves
- Oct 12, 2024
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Fire safe design for ball valve is a design that the material and the structure of ball valve can pass a fire test with limited leakage to the atmosphere and do
What is a Plug Valve?
- Oct 12, 2024
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The plug valve is a closing or plunger-shaped rotary valve, which opens or closes by rotating 90 degrees contributing the passage on the plug to be the same or
Sealant Injection System of Ball Valves
- Oct 12, 2024
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Sealant injection fittings of ball valve are installed at the stem and seat area. They can act as temporary sealing. When the soft sealing is damaged and a le
What is a diaphragm valve?
- Oct 12, 2024
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A diaphragm valve is different in structure from the general valves. It is a new type of valve and a special type of shut-off valve widely used in various field
Fire Safe Test API 6FA and API 607
- Oct 12, 2024
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Fire safe design is important for industrial valves in industries like oil and gas, chemical, and petrochemical. We often use API 6FA, and API 607 for fire te
What is a plunger valve?
- Oct 12, 2024
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The closing of the plunger valve is composed of a stainless steel plunger, two upper and lower elastic sealing rings and a metal frame. The sealing function is