QST140-J

  • Pneumatic pressure test unit
  • High reliability;
  • Convenient maintenance;
  • High mechanical efficiency;
  • Running stability;
  • Compact structure
  • Running stability
  • Compact structure
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Pneumatic Pressure Testing Equipment

The pneumatic pressure testing equipment uses compressed air as power source for the pneumatic pump which supplies hydraulic pressure for hydraulic pump tester, with the hydraulic output pressure of the pump proportional to the compressed air pressure. By adjusting air source pressure, corresponding hydraulic pressure is obtained. When a balance is reached between compressed air pressure and hydraulic pressure, the air powered pump stops pressure charging and the output hydraulic pressure is stabilized at the preset level.

 

The Important of Pneumatic Pressure Testing Equipment


The pneumatic pressure testing equipment we provide plays an important in the high pressure testing device, which can effectively help engineers find equipment problems and improve the reliability and safety of the equipment. High pressure test unit equipment usually includes transformers, switchgear, circuit breakers, etc. These equipment will generate high voltage and high current during operation, so they need to undergo strict testing and inspection to ensure their reliability and safety. In these tests, air pressure testing equipment is mainly used to test the sealing performance and pressure resistance of the equipment.

 

Composition of Pneumatic Pressure Testing Equipment

 

Pressure sensor-signal conditioning module-controller/indicator-gas connection pipeline-calibration device, etc.

 

Key functions and features

 

High Pressure Testing: Pneumatic pressure testing devices are designed to simulate the high pressure environments that may be encountered during oil drilling. By providing controlled high-pressure gas, it can test the performance of drilling pipes, valves, wellhead equipment, etc. under high-pressure conditions.

Safety: In the oil drilling industry, safety is paramount. Pneumatic pressure testing devices are usually equipped with safety valves and emergency shutdown systems to prevent overpressure and ensure that necessary safety measures are taken in a timely manner during the testing process.

Precise Control: These test units have sophisticated pressure control systems that allow operators to accurately set and monitor pressure during testing. This precise control helps evaluate the performance of drilling equipment under actual operating conditions. ​

Real-time monitoring: The pneumatic pressure testing device equipped with pressure gauges and indicators can monitor the pressure during the testing process in real time. This data is critical for evaluating the pressure stability of the device and possible leak points.

Configurable Options

Equipped with diesel engine

Technical Data Sheet

MAIN SPECIFICATION FOR PNEUMATIC PRESSURE TEST UNIT QST140-J
Ambient Temperature(℃) 0-50
Operating Environment
(Land/offshore)
Land
Working Pressure(MPa) 140
Volume of Water Tank (L) 120
Primary Pump Ratio(Air/Liqud) 1:60
Secondary Pump Ratio
(Air/Liqud)
1:200
Flowrate(mL/stroke)
Primary/Secondary
90 / 14
Recorder(Laptop/Chart/Mechine) Chart

 

Type Pneumatic Pumps

Rated Input

Pressure(MPa)

Working

Pressure(MPa)

Volume

of Oil Tank(L)

Rated Explosion Pressure(MPa)

Automatic

Tecorder

(set)

1:30

(set)

1:100

(set)

1:60

(set)

1:200

(set)

1:225

(set)

1:530

(set)

QST21 1           0.7 21 45    
QST21-J 1           0.7 21 45   1
QST35     1/2       0.58 35 100    
QST35-J     1/2       0.58 35 100   1
QST70 1 1         0.7 70 100 84  
QST70-J 1 1         0.7 70 100 84 1
QST140     1 1     0.7 140 100 168  
QST140-J     1 1     0.7 140 100 168 1
QST140A     2 2     0.7 140 100 168  
QST140A-J     2 2     0.7 140 100 168 1
QST140B     1 1     0.7 140   168  
QST140B-J     1 1     0.7 140   168 1
QST140C     1 1     0.7 140 100 168  
QST140C-J     1 1     0.7 140 100 168 1
QST200     1   1   0.9 200 100 225  
QST200-J     1   1   0.9 200 100 225 1
QST200A     2   2   0.9 200 100 225  
QST200A-J     2   2   0.9 200 100 225 1
QST200-JK     1   1   0.9 200 100 225  
QST250-J           1 0.47 250     1

 

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