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Item # V61-M-4N-S, V61 Series Vent Relief Valves







Specifications  · Dimensions  · Technical Data  · Features  · Design and Application  · Installation and Operation

Specifications

Material
Stainless Steel 316

Seal Material
FKM


Dimensions

Pipe Size Male NPT
1/4 NPT

Orifice
0.275 in
7.0 mm

A
1.200 in
30.5 mm

Hex
5/8 in
15.9 mm


Technical Data

Set Pressure Range
0.03 to 10.4 bar
0.5 to 150 psig

Temperature Range
-195 to 204 ºC
-45 to 400 ºF


Features
  • Precise cracking pressure with high reliability
  • Keeping the sealing to 95~98% of Set Pressure at least
  • Reliable Reseal performance
  • Tamper proof design


Design and Application
    V61 Series Vent relief valves is designed to vent out the excess pressure from the line automatically to keep the required line pressure safely when the line pressure is exceeded over the limitation unusually.
    This valves can be used in the case that the working fluid is not harmful when vented out. The level of cracking pressure should be set by adjusting the force of the spring in the valve before this valve is installed in the system.




Installation and Operation
    This valve should be positioned perpendicularly to the direction of fluid flow in the line and that position should be considered and the vented fluid should be not directed to the personnel operating and the parts that has any influences on that.
    The line system should be run to check the performance of the valve after the personnel operating move to the safty zone. Because this valve is opened automatically when the excess of the required Line pressure.





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