Baker Hughes Druck PV 62X Manuel utilisateur
Copyright 2022 Baker Hughes Company.
English–PV 62X / PV 62X-IS Instruction Manual | i
Introduction
There are three pressure stations in the PV 62XG / PV 62X-IS series. Two pneumatic pressure
stations to give you accurate and controlled pressure and vacuum conditions, PV 621 and
PV 622. One hydraulic pressure station to give you accurate and controlled hydraulic pressure
conditions, PV 623.
To give the connected equipment overpressure protection, there are pressure relief valves (PRV)
available for all the pressure stations. Refer to Chapter 6.
When used with a DPI 620G / DPI 620G-IS multi-function calibrator, HART® / FOUNDATION™
Fieldbus / Profibus® communicator, together with a PM 620 / PM 620-IS / PM 620T / PM 620T-IS
pressure module, the following functions are available.
• Measure pressure / Leak test.
•*Documenting software.
•*HART® (Highway Addressable Remote Transducer) communications software to set up
and calibrate devices that use the HART® field communications protocol.
•*Foundation Fieldbus™ communicator.
ATEX, IECEx and ETL approved intrinsically safe versions are available for use in hazardous
areas.
Summary of Functions
This list gives a summary of the available pressure station functions:
• “Quick fit” pressure adaptors for easy connection to the equipment under test.
• Volume adjuster to give accurate control of applied pressure.
• Pressure connection for a PM 620 / PM 620-IS / PM 620T / PM 620T-IS pressure module.
• Latch mechanism to connect the DPI 620G / DPI 620G-IS calibrator to make a fully
integrated pressure calibrator instrument.
• Optional pressure relief valves (PRV) to give overpressure protection.
Pneumatic Pressure Stations
The following list are functions available with the PV 621G / PV 622G / PV 621-IS / PV 622-IS:
• Selector switch to change the pump operation from pressure generator to vacuum
generator.
• Needle point pressure release valve to control the release of pressure.
Hydraulic Pressure Station
The following list are functions available with the PV 623G / PV 623-IS:
• Internal hydraulic reservoir: 100 cm3 (6.1 in3)
• Self sealing pressure module connection to prevent fluid leaks.
• Fast thermal stability for devices connected directly to the test port connection, less than one
minute.
* Optional extra.
Copyright 2022 Baker Hughes Company.
ii | PV 62X / PV 62X-IS Instruction Manual–English
Pressure Ranges
Safety
Before you use the pressure station, make sure that you read and understand all the related data.
This includes: the applicable local safety procedures, this publication, and the instructions for the
accessories, options and equipment you are using it with. Read more safety conditions in the
132M9252 safety guide.
Model Pressure Range
PV 621G / PV 621-IS: Pneumatic pressure station -950 mbar to 20 bar (-13.5 to 300 psi)
PV 622G / PV 622-IS: Pneumatic pressure station -950 mbar to 100 bar (-13.5 to 1500 psi)
PV 623G / PV 623-IS: Hydraulic pressure station 0 to 1000 bar (0 to 15,000 psi)
Copyright 2022 Baker Hughes Company.
English–PV 62X / PV 62X-IS Instruction Manual | iii
Contents
1. Instrument Parts, Accessories and Options 1
1.1 Introduction 1
1.2 Controls 1
2. Connect / Disconnect the Equipment Under Test 2
2.1 Introduction 2
2.2 Procedure 3
2.2.1 Connect 3
2.2.2 Disconnect 3
3. Pneumatic Pressure Operation (PV 621G / PV 621-IS) 3
3.1 Introduction 3
3.2 Release the Pressure 4
3.3 Operation 4
3.3.1 Vacuum Procedure 4
3.3.2 Pressure Procedure 4
4. Pneumatic Pressure Operation (PV 622G / PV 622-IS) 5
4.1 Introduction 5
4.2 Release the Pressure 5
4.3 Operation 5
4.3.1 Vacuum Procedure 5
4.3.2 Pressure Procedure 6
5. Hydraulic Pressure Operation (PV 623G / PV 623-IS) 6
5.1 Introduction 6
5.2 Release the Pressure 7
5.3 Filling and Priming 7
5.3.1 Models without Priming Pump 7
5.3.2 Models with Priming Pump 8
5.4 Operation 8
5.4.1 Pressure Procedure 9
5.5 Add More Hydraulic Fluid 9
5.6 Drain Hydraulic Fluid from Equipment Under Test 10
5.6.1 Preparation 10
5.6.2 Procedure 10
5.7 Drain Hydraulic Fluid from PV 623G / PV 623-IS 10
5.7.1 Preparation 10
5.7.2 Procedure 11
6. Pressure Relief Valve (PRV) 11
6.1 Introduction 11
6.2 Installation 12
6.3 Adjustment Procedure 12
Copyright 2022 Baker Hughes Company.
iv | PV 62X / PV 62X-IS Instruction Manual–English
7. Maintenance 12
7.1 Introduction 12
7.2 Repair 12
7.3 Cleaning 13
7.4 Draining the Unit (PV 623G / PV 623-IS Models) 13
7.5 Leak Test 13
7.5.1 Preparation 13
7.5.2 Procedure 13
7.6 Return Goods/Material Procedure 14
8. Specification 14
Copyright 2022 Baker Hughes Company.
English–PV 62X / PV 62X-IS Instruction Manual | 1
1. Instrument Parts, Accessories and Options
1.1 Introduction
This chapter gives a description of the different parts of each pressure station.
1.2 Controls
1. Pressure connection for a pressure relief valve (PRV). This is an optional accessory. A
blanking plug is fitted as standard. A PRV provides overpressure protection for the
equipment under test and the PM 620 / PM 620-IS / PM 620T / PM 620T-IS module (3). See
Table 3 on page 16 for the range of available Druck PRVs.
2. Test port: Pressure connection to connect the equipment under test. The test port uses
“Quick fit” pressure adaptors. These are easy to remove, change and install. Refer to
Chapter 2.
3. Pressure and electrical connections for a PM 620 / PM 620-IS / PM 620T / PM 620T-IS
module. If a PM 620 / PM 620-IS / PM 620T / PM 620T-IS is not fitted, use Druck blanking
plug (IO620-BLANK).
4. Pneumatic pressure release valve. Use to release all pressure in the system. This is a
needle point valve. The valve allows fine control for a slow controlled release of pressure.
5. Pneumatic refill valve. Close the valve to seal off all pressure and refill the pressure
mechanism. Open the refill valve to use the volume adjuster (12) to increase or decrease
the pressure.
6. Hydraulic pressure release valve. Use to release all pressure in the system. Unscrew the
valve fully to access the hydraulic fluid reservoir.
7. Hydraulic priming pump. Refer to Section 5.3 for filling and priming instructions.
PV 621G
PV 621-IS
1 2
34
8
9
11
13
14
PV 622G
PV 622-IS
1 2
34
8
9
12
13
14
5
PV 623G
PV 623-IS
1 2
36
8
9
12
10
15 15 15
7
Copyright 2022 Baker Hughes Company.
2 | PV 62X / PV 62X-IS Instruction Manual–English
8. Moulded compartment for the DPI 620G / DPI 620-IS calibrator. It has electrical connections
and a mechanical latch to hold the calibrator in position.
9. Push-button mechanism to release the DPI 620G / DPI 620-IS calibrator.
10. Hydraulic refill valve. Close the refill valve to seal off all pressure and refill the pressure
mechanism with fluid. Open the refill valve to use the volume adjuster (12) to increase or
decrease the pressure.
11. Volume adjuster. This control increases or decreases the pressure / vacuum. When the
necessary pressure or vacuum has been set using the pump (14), use the volume adjuster
to make fine adjustments.
12. Volume adjuster wheel with fold-in handle. The refill valve (5) or (10) sets the operation of
the volume adjuster wheel: Full control or refill.
i. Full control: Open the refill valve (5) or (10) to have full control to increase or decrease
the pressure. Turn the volume adjuster clockwise to increase the pressure. Turn the
volume adjuster counter-clockwise to decrease the pressure.
ii. Refill: Close the refill valve (5) or (10) to refill the pressure mechanism. Turn the volume
adjuster fully counter-clockwise. Then turn the volume adjuster clockwise to refill the
pressure mechanism.
Note: At high pressures, it is easier to turn the wheel with the handle folded in.
13. Pressure / vacuum selector to set the pump operation: (+) pressure, (-)vacuum. Release all
pressure in the system before turning the pressure / vacuum selector. Sudden changes in
pressure can damage the pump mechanism.
14. Pump mechanism. Use the pump mechanism to create the necessary pressure or vacuum.
The volume adjuster (11) or (12) can be used to make fine adjustments.
15. Carrying strap with a carry handle and a shoulder strap.
2. Connect / Disconnect the Equipment Under Test
2.1 Introduction
The test port uses “Quick fit” pressure adaptors. These are easy to remove, change and install.
The “Quick fit” adaptors are available in NPT and BSP (parallel) thread types. Adaptors for other
thread types are available from Druck.
WARNING Pressurized gases and fluids are dangerous. Before you connect
or disconnect pressure equipment, safely release all pressure.
CAUTION To prevent damage to the pressure station, do not let dirt get into
the pressure mechanism. Before you connect equipment, make sure it is clean.
Copyright 2022 Baker Hughes Company.
English–PV 62X / PV 62X-IS Instruction Manual | 3
2.2 Procedure
2.2.1 Connect
Follow the procedure below to connect the equipment under test to the pressure station test port.
1. Disconnect the “Quick fit” adaptor.
2. Use an applicable seal for the pressure connection:
a. NPT type: Use an applicable sealant on the thread.
b. BSP (parallel) type: A bonded seal at the bottom is recommended.
c. BSP (parallel) type, 100 bar (1500 psi) or less: A bonded seal at the top is permitted.
3. Connect the “Quick fit” adaptor to the equipment under test and tighten to the applicable
torque.
4. Connect the “Quick fit” adaptor to the test port and tighten it until it is hand-tight only.
2.2.2 Disconnect
Follow the procedure below to disconnect the equipment under test from the pressure station test
port.
1. Safely release all pressure in the system:
• See Section 3.2 for PV 621G / PV 621-IS.
• See Section 4.2 for PV 622G / PV 622-IS.
• See Section 5.2 for PV 623G / PV 623-IS.
2. Disconnect the “Quick fit” adaptor from the pressure station test port. The “Quick fit” adaptor
should only be hand-tight.
3. Disconnect the “Quick fit” adaptor from the equipment under test.
3. Pneumatic Pressure Operation (PV 621G / PV 621-IS)
3.1 Introduction
This chapter gives instructions on how to operate the PV 621G / PV 621-IS pressure station to
supply the necessary pressure or vacuum.
Before you start:
• Read and understand “Safety” on page ii.
• Make sure that there is no damage to the pressure station.
• Make sure that there are no missing items.
Note: Use only original parts supplied by the manufacturer.
Refer to Chapter 1 for a description of the pressure station controls.
1
3
4
a. NPT
b. (G)/BSPP
c. (G)/BSPP
3EDU
2
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4 | PV 62X / PV 62X-IS Instruction Manual–English
3.2 Release the Pressure
To release all pressure in the system:
1. Open the pressure release valve counter-clockwise (1 turn).
3.3 Operation
1. If applicable, install a pressure relief valve, see Chapter 6.
2. Connect the equipment under test to the PV 621G / PV 621-IS test port, see Chapter 2.
3. Use the following steps to set the necessary vacuum or pressure.
3.3.1 Vacuum Procedure
1. Set the pressure / vacuum selector to vacuum (-); fully counter-clockwise.
2. To do equal adjustments (up or down) at the end of the procedure, turn the volume adjuster
to the middle of its range of operation.
Note: To get the maximum vacuum, turn the volume adjuster fully clockwise.
3. Close the pressure release valve clockwise.
4. Use the pump to set the maximum vacuum or set the approximate vacuum to be adjusted.
5. Use the volume adjuster to adjust the vacuum: (+) decrease; (-)increase.
3.3.2 Pressure Procedure
1. Set the pressure / vacuum selector to pressure (+); fully clockwise.
2. To do equal adjustments (up or down) at the end of the procedure, turn the volume adjuster
to the middle of its range of operation.
3. Close the pressure release valve clockwise.
1
1 3 42 5
+–
1 3 42 5
+–
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