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

Issue 1

1.3 PV 622 models

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1
2
6
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Figure 1-2: General views
1.3.1

Pressure relief valve (PRV)

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1-4 Instrument parts, accessories and options
1. Optional accessory: Pressure connection for a
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2. Test port: Pressure connection (G1/8 or 1/8NPT) to
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3. Pressure and electrical connections for a PM 620
4. Pneumatic pressure release valve to release pressure
5. Pneumatic refill valve. Close it to seal off all the
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6. Moulded compartment for the DPI 620 calibrator with
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7. Push-button mechanism to release the DPI 620
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9. Volume adjuster wheel with fold-in handle; see
11. Pressure/vacuum selector to set the pump operation:
12. Pump mechanism; see Section 1.3.7.
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13. Carrying strap with a carry handle and a shoulder
Items 8, 10: 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 pneumatic PRVs; see Section 1.5
(Accessories).
To attach or adjust a PRV, see Section 3.4.
pressure relief valve (PRV); see Section 1.3.1. A
blanking plug is standard.
attach the device under test; see Section 1.3.2.
module.
Seal the pressure connection with a blanking plug
(P/N IO620-BLANK) or a PM 620 module that has the
correct pressure rating.
in the system; see Section 1.3.3.
pressure and refill the pressure mechanism; see
Section 1.3.4.
electrical connections and a mechanism to hold it in
position.
calibrator.
Section 1.3.5.
pressure (+), vacuum (-); see Section 1.3.6.
strap.
K0457 - [EN] English