Pv 623 Models; Pressure Relief Valve (Prv) - GE Druck PV 622 User Manual

Issue 1

1.4 PV 623 models

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Figure 1-3: General views
1.4.1

Pressure relief valve (PRV)

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1-8 Instrument parts, accessories and options
1. Optional accessory: Pressure connection for a
pressure relief valve (PRV); see Section 1.4.1. A
blanking plug is standard.
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2. Test port: Pressure connection (G1/8 or 1/8NPT) to
attach the device under test; see Section 1.4.2.
3. Pressure and electrical connections for a PM 620
module.
PV 623 models only: The pressure connection seals
itself.
4. Hydraulic pressure release valve to release pressure
in the system.
It also gives access to the hydraulic fluid reservoir; see
Section 1.4.3.
6. Moulded compartment for the DPI 620 calibrator with
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electrical connections and a mechanism to hold it in
position.
7. Push-button mechanism to release the DPI 620
calibrator.
9. Volume adjuster wheel with fold-in handle; see
Section 1.4.5.
10. Hydraulic refill valve. Close it to seal off all the
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pressure and refill the pressure mechanism with fluid;
see Section 1.4.4.
13. Carrying strap with a carry handle and a shoulder
strap.
Items 5, 8, 11, 12: Not applicable
To give your attached devices overpressure protection (device
under test, PM 620 module), we recommend you use one of
our range of optional hydraulic PRVs; see Section 1.5
(Accessories).
To attach or adjust a PRV, see Section 4.5.
K0457 - [EN] English