IMI Norgren

IMI Norgren General Purpose Pressure Relief Valves

- Relief pressure can be factory preset.
- Easily disassembled for servicing without removal from airline.
- V72 has a bottom relief port, providing simple inline installation.
- Low torque, non-rising pressure adjustment knob on V07, V72, and V74 provides easy hand adjustment at any pressure. V74 with 250 psig spring equipped with a T-handle adjustment.

RELIEF VALVE OPERATION
Relief valves are used in compressed air systems to relieve excessive air pressure buildup and thereby help prevent damage to system components. Relief pressure is controlled by the adjusting knob. Clockwise rotation increases and counterclockwise rotation decreases the relief pressure setting. 

Part Number
TYPE
PORT SIZE
OKCancelClear All
V07-100-NNAA
V07
1/8
V07-200-NNAA
V07
1/4

* Relief Pressure Adjustment Range: 1-10 PSIG

Part Number
TYPE
PORT SIZE
OKCancelClear All
V07-100-NNEA
V07
1/8
V07-200-NNEA
V07
1/4

* Relief Pressure Adjustment Range: 5 - 50 PSIG

Part Number
TYPE
OKCancelClear All
PORT SIZE
OKCancelClear All
V72G-2AK-NFN
V72
1/4
V72G-3AK-NFN
V72
3/8
V74G-3AK-NFN
V74G
3/8
V74G-4AK-NFN
V74G
1/2
V74G-6AK-NFN
V74G
3/4

* Relief Pressure Adjustment Range: 5 - 60 PSIG

Part Number
TYPE
PORT SIZE
OKCancelClear All
V07-100-NNKA
V07
1/8
V07-200-NNKA
V07
1/4

* Relief Pressure Adjustment Range: 5 - 125 PSIG

Part Number
TYPE
OKCancelClear All
PORT SIZE
OKCancelClear All
V72G-2AK-NMN
V72
1/4
V72G-3AK-NMN
V72
3/8
V74G-3AK-NMN
V749
3/8
V74G-4AK-NMN
V749
1/2
V74G-6AK-NMN
V749
3/4

* Relief Pressure Adjustment Range: 5 - 125 PSIG

Part Number
TYPE
PORT SIZE
OKCancelClear All
V74G-3AT-NSN
V74G
3/8
V74G-4AT-NSN
V74G
1/2
V74G-6AT-NSN
V74G
3/4

* Relief Pressure Adjustment Range: 10 - 250 PSIG

Part Number
TYPE
OKCancelClear All
DESCRIPTION
OKCancelClear All
18-025-003
V07
Mounting Bracket with Plastic Panel Nut
2962-89
V07
Plastic Panel Nut
2962-04
V07
Metal Panel Nut
18-001-094
V07
Tamper Resistant Seal Device for Adjusting Knob
4224-50
V72
Mounting Bracket
4255-51
V72
Tamper Resistant Seal Device for Adjusting Knob
4324-50
V74
Mounting Bracket
4355-51
V74
Tamper Resistant Seal Device for Adjusting Knob
Part Number
TYPE
OKCancelClear All
3407-80
V07
4209-03
V72
4384-700
V74
OPTIONS

Change model number as follows:

Relief Valve w/ Gauge: Use G in the 8th position.

SPECIFICATIONS

Fluid: Compressed Air

Temperature Range:

   V07 / V72: 0 to 150 Degrees Fahrenheit
   V74: 0 to 175 Degrees Fahrenheit

Gauge Ports:

   V07 / V72: 1/8” PTF
   V74: 1/4” PTF

MATERIALS OF CONSTRUCTION

V07

  Body: Zinc
  Bonnet: Acetal
  Valve Seat: Polyphenylene
  Elastomers: Nitrile

V72 

  Body: Zinc
  Bonnet: Acetal
  Valve: Brass
  Elastomers: Neoprene

V74

  Body and Bonnet: Aluminum
  Valve: Aluminum and Nitrile
  Elastomers: Neoprene
  Bottom Plug: Acetal


https://catalogs.jhf.com/Pneumatic-and-Hydraulic-Equipment/701/