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The ASTM A193 / A193M for bolts and...
This standard is issued under the fixed designation A193/A193M; the number immed...
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2021-05-04
The Electrochemical Corrosion
Galvanic corrosion occurs when two different metals have physical or electrical ...
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2021-04-21
What is Butterfly Valve
Operation is similar to that of a ball valve, which allows for quick shut off.
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2021-04-19
What is Ball Valve
A ball valve is a form of quarter-turn valve which uses a hollow, perforated and...
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2021-04-19
What is Globe Valve
The Globe Valve no longer used ”Gate”, but used ”Plug”.
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2021-04-19
What is the Gate Valve
A gate valve, also known as a sluice valve, is a valve that opens by lifting a b...
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2021-04-19
The main material of the valve
Stainless steel valves are mostly made of 304（CF8） and 316 （CF8M）.
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2021-04-19
The Elastomer Seat of the valves
The seat of the valve can be Metal Seat or Elastomer Seat. We generally use E...
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2021-04-19
The High-Pressure Test
We are proud to guarantee that our products will definitely meet the pressure to...
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2021-04-19
How do we test the tightness of the...
Under normal circumstances, our valves need to be tested for gas tightness befor...
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2021-04-19
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