neiye
OHSMS-CNAS

OHSMS-CNAS

20

2024

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05

EMS-CNAS

EMS-CNAS

20

2024

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05

How to maintain the valve?

How to maintain the valve?

alves stored for a long time should be inspected regularly. The exposed processing surface must be kept clean and dirt removed. When storing, both ends of the ball valve should be blocked and in an open state. Gate valves, globe valves, and check valves should have Blocked and closed, neatly stored in a ventilated and dry place indoors, stacking or open storage is strictly prohibited.

12

2023

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01

What are the commonly used valve materials

What are the commonly used valve materials

The material of the main parts of the valve should first consider the physical properties (temperature, pressure) and chemical properties (corrosion) of the working medium. At the same time, the cleanliness of the medium (with or without solid particles) should also be known.

12

2023

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01

Valve daily maintenance guide

Valve daily maintenance guide

Valves are not only widely used in various industries, but also used in different environments. Some valves in harsh working environments are prone to problems.

12

2023

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01

What are the commonly used non-metallic materials for valves?

What are the commonly used non-metallic materials for valves?

The rated temperature range of nitrile rubber seat is -18℃~100℃. Usually also called NBR, NITRILE, or HYCAR. It is a general-purpose rubber material suitable for water, gas, oil and grease, gasoline (except gasoline with additives), alcohol and ethanol, liquefied petroleum gas, propane and butane, fuel oil and many other media. At the same time, it also has good wear resistance and deformation resistance.

12

2023

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01

Antifreeze and maintenance of valves in winter

Antifreeze and maintenance of valves in winter

After entering winter, the temperature drops rapidly, and the valve often freezes. If left untreated at this point, the pipeline is prone to failure. If it is in some high-risk conditions, accidents may also occur. Therefore, antifreeze treatment of valves is very important.

12

2023

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01

Main classification and service conditions of valve sealing materials

Main classification and service conditions of valve sealing materials

Valve sealing is an important part of the whole valve, its main purpose is to prevent leakage, the valve sealing seat is also called sealing ring, it is an organization that is directly in contact with the medium in the pipeline and prevents the medium from flowing.

12

2023

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01

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