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Document 560002a 

060303 

DH Instruments, Inc. 

4765 East Beautiful Lane 
Phoenix  AZ  85044-5318 
USA 

 

 

Tel 602.431.9100

Fax 602.431.9559

[email protected]

www.dhinstruments.com 

 

 

Calibration Solutions 
for Pressure 
and Flow™ 

PG7600™ Vacuum Relief Valve

 

P/N 401050 

Installation Instructions 

PG7600 VACUUM RELIEF VALVE,  

P/N 401050, INCLUDES: 

QTY 

PART NO 

DESCRIPTION 

401050 

Vacuum relief valve assembly 

100272 

Gland (on PG7600 VAC port) 

101200 

Collar (on PG7600 VAC port)  

1 560002 

Instruction 

Sheet 

 

 

Vacuum relief valve is shown in the closed position.   

GENERAL INSTALLATION 

n

  Remove gland, collar and plastic plug from the PG7600

 vacuum port.

 

o

  Install gland and collar onto vacuum relief valve assembly.

 

 

Collar threads left-handed.  Ensure collar is fully threaded.  The plastic plug is not used.   

 

p

  Screw the adaptor (as assembled) into the PG7600

 vacuum port.  Torque to 15 Nm (Newton meter). 

 
 
 

 
 
 
 
 

PG7600 is a trademark, registered and otherwise, of 

DH Instruments, Inc.

 

 

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