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Coal mine special vacuum pneumatic valve is introduced
by：AIRWOLF
2020-10-15
Overview of coal mine special vacuum pneumatic valve
SY42AX coal mine special vacuum pneumatic valve by the main pneumatic valve and pneumatic valve guide of two parts. The pneumatic valve is mainly composed of pneumatic seat, main pneumatic valve, piston, spring and other parts. Guide the pneumatic valve is mainly composed of pneumatic valve seat, pneumatic valve, diaphragm, spring, adjusting spring and other parts. Set by adjusting the adjusting the spring pressure outlet pressure, the use of diaphragm sensing outlet pressure changes, through the pneumatic valve opening and closing drive piston guide adjustment main pneumatic valve throttling area the size of the flow area, realize the function of reduced pressure regulator. Main products are mainly used for coal mine water pipe road, decompression voltage stabilizing role.
coal mine special vacuum pneumatic valve installation and use the
1, coal mine special vacuum pneumatic valve installed before the piping system into the floor must be clean, in case of welding slag, scale and other dirty content into the pneumatic valve, pneumatic valve normal work.
2, coal mine special vacuum pneumatic valve should be installed in the place where is convenient for operation and maintenance, erect and must be installed in a horizontal pipe (on the road See the installation diagram) Should pay attention to the medium inside the pipeline flow and the pneumatic direction indicated by the arrows on the valve body, do not install the
3, coal mine special vacuum pneumatic valve when installed, should be put on the road in the by-pass pipe by the pneumatic valve open, remove condensate in the pipeline, and soda mixture, produce water hammer when the reduced pressure pneumatic valve open in case damage reduced pressure pneumatic valve, when no abnormal phenomenon, slowly turn adjusting screw clockwise, the outlet pressure to the required pressure ( The table after pneumatic valve pressure shall prevail) , after adjust, will lock nut locking, screw on guard.
4, coal mine special vacuum pneumatic valve should be installed before the filter, to prevent the impurity in the medium into the vacuum pneumatic valve, affect their performance.
5, the installation should be a straight pipe before and after decompression, pneumatic valve, pneumatic valve before the straight pipe length is about 600 mm, pneumatic valve after the straight pipe length is about 1000 mm.
the reduced pressure pneumatic valve should be stored in dry room and must be used on both ends of the channel blockage, are not allowed to be stacked tailings storage.
long-term storage reduced pressure pneumatic valve should be checked regularly, clean the dirt, the movement parts and machining surface should be coated with anti-rust agent, prevent rust.
coal mine special vacuum pneumatic valve main parameter
product model: SY42AX - Nominal size 16 c
:
15 ~ 500 mm nominal stress: 1. O ~ 2。 5 mpa
use temperature: 80 ℃ or less
pneumatic valve material: carbon steel, stainless steel, cast iron
applicable medium: water, non - corrosive liquid line
design standards, JB, GB, ANSI
SY42AX coal mine special vacuum pneumatic valve by the main pneumatic valve and pneumatic valve guide of two parts. The pneumatic valve is mainly composed of pneumatic seat, main pneumatic valve, piston, spring and other parts. Guide the pneumatic valve is mainly composed of pneumatic valve seat, pneumatic valve, diaphragm, spring, adjusting spring and other parts. Set by adjusting the adjusting the spring pressure outlet pressure, the use of diaphragm sensing outlet pressure changes, through the pneumatic valve opening and closing drive piston guide adjustment main pneumatic valve throttling area the size of the flow area, realize the function of reduced pressure regulator. Main products are mainly used for coal mine water pipe road, decompression voltage stabilizing role.
coal mine special vacuum pneumatic valve installation and use the
1, coal mine special vacuum pneumatic valve installed before the piping system into the floor must be clean, in case of welding slag, scale and other dirty content into the pneumatic valve, pneumatic valve normal work.
2, coal mine special vacuum pneumatic valve should be installed in the place where is convenient for operation and maintenance, erect and must be installed in a horizontal pipe (on the road See the installation diagram) Should pay attention to the medium inside the pipeline flow and the pneumatic direction indicated by the arrows on the valve body, do not install the
3, coal mine special vacuum pneumatic valve when installed, should be put on the road in the by-pass pipe by the pneumatic valve open, remove condensate in the pipeline, and soda mixture, produce water hammer when the reduced pressure pneumatic valve open in case damage reduced pressure pneumatic valve, when no abnormal phenomenon, slowly turn adjusting screw clockwise, the outlet pressure to the required pressure ( The table after pneumatic valve pressure shall prevail) , after adjust, will lock nut locking, screw on guard.
4, coal mine special vacuum pneumatic valve should be installed before the filter, to prevent the impurity in the medium into the vacuum pneumatic valve, affect their performance.
5, the installation should be a straight pipe before and after decompression, pneumatic valve, pneumatic valve before the straight pipe length is about 600 mm, pneumatic valve after the straight pipe length is about 1000 mm.
the reduced pressure pneumatic valve should be stored in dry room and must be used on both ends of the channel blockage, are not allowed to be stacked tailings storage.
long-term storage reduced pressure pneumatic valve should be checked regularly, clean the dirt, the movement parts and machining surface should be coated with anti-rust agent, prevent rust.
coal mine special vacuum pneumatic valve main parameter
product model: SY42AX - Nominal size 16 c
:
15 ~ 500 mm nominal stress: 1. O ~ 2。 5 mpa
use temperature: 80 ℃ or less
pneumatic valve material: carbon steel, stainless steel, cast iron
applicable medium: water, non - corrosive liquid line
design standards, JB, GB, ANSI
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