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Model "VR" Vacuum Relief Valve

Part Number 3151
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Model "VR" Vacuum Relief Valve
Model 'VR' Vacuum Relief Valve
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$10.45
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Description

Model "VR"
Vacuum Relief Valve

Model "VR" vacuum relief valves are used in systems to maintain a desired vacuum level. Please note that they are proportional relief valves and not "pop" type safety valves. Not preset at the factory, but easily adjusted with knurled adjustment screw and locked with jam nut.

Three sizes are offered: 1/4" NPT (VR25), 3/8" NPT (VR38), and 3/4" NPT (VR75).

All brass construction, with stainless steel springs. VR25 uses stainless steel ball as poppet, while VR38 and VR75 poppets are nylon with nitrile seals. Max. temperature 250 F.
 

Part Number

NPT

Max Recommended Vacuum Size

Description

VR25

1/4"

1/4hp

0-27 in-HG

VR38

3/8"

1hp

0-27 in-HG

VR75

3/4"

3hp

0-27 in-HG

VR10

1"

5hp

0-27 in-HG

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