Bàn tạo áp chuẩn PV 621, 622 & 623
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Bàn tạo áp chuẩn PV 621, 622 & 623

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PV 621, 622 & 623 Pressure Stations

There are three pressure generation stations, also available in ATEX approved versions for stand- alone use in hazardous areas:

  • PV 621 - pneumatic pressure generator for pressures 95% vacuum to 20 bar (300 psi)
  • PV 622 - pneumatic pressure generator for pressures 95% vacuum to 100 bar (1500 psi)
  • PV 623 - hydraulic pressure generator for pressures up to 1000 bar (15000 psi).

Each pressure station is designed for stand-alone operation as a pressure generator and can replace conventional hand pumps and gas bottles to provide greater efficiency and ease of use. They can be used on the workbench or combined with a reference instrument, such as the DPI 104 they can be used as comparators and pressure calibrators.

Combining any of the pressure stations with a PM 620 pressure module and the DPI 620 calibrator creates a uniquely capable, self-contained pressure calibrator.



  • A uniquely capable, re-rangeable and self contained pressure test system
  • Advanced pressure generation
    - 95% vacuum to 20 bar (300 psi) pneumatic
    - 95% vacuum to 100 bar (1500 psi) pneumatic
    - 0 to 1000 bar (15000 psi) hydraulic
  • Stand alone replacements for hand pumps and can be used as comparators
  • Bench top use as comparators
  • Overpressure protection valve can be fitted
  • Quick fit, self sealing pressure adaptors and hoses reduces the need for tools and likelihood of leaks


  • Maintenance and calibration
  • System measurement and monitoring
  • Indicator and recorder
  • Process loop set up and diagnostics
  • Switch, trip and safety system testing
  • Suitable for:
  • Plant and process engineers
  • Service companies and site contractors
  • Installation and commissioning engineers
  • Laboratories


Thông số kỹ thuật



Maximum pressure

PV 621 20 bar (300 psi) pneumatic
PV 622 100 bar (1500 psi) pneumatic
PV 623 1000 bar (15000 psi) hydraulic

Pressure media

PV 621 and PV 622 non-corrosive gases,
PV 623 de-mineralized water or mineral oil
(ISO viscosity grade < 22)

Operating temperature

-10° to 50°C (14° to 122°F)
For water +4 to +50°C (39 to 122°F)

Storage temperature

-20 to 70°C (-4 to 158°F) (must be empty of water)

Shock and vibration

BS EN 61010:2001; Def stan 66-31, 8.4 cat III

Pressure safety

Pressure equipment directive class SEP

Size and weight

Pressure equipment directive class SEP

Over Pressure

Each station can be fitted with an overpressure protection device to protect both the pressure module ad the device under test.


Size and weight: 450 mm x 280 mm x 235 mm,


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