Dk-Lok USA
Dk-Lok USA
161 West I-65 Service Road
Mobile, AL 36608
Phone: (251) 472-9580
Fax: (251) 450-0962 or (800) 287-8186
info@dklokusa.com
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Unit of Measure

Specifications

Material

 N/A Stainless Steel 316

Seal Material

 N/A FKM

Dimensions

Line Drawing

 N/A
V61 Series Vent Relief Valves_2

Pipe Size Male NPT

 N/A 3/4 NPT

Orifice

 N/A 0.570 in14.5 mm

A

 N/A 2.25 in57.2 mm

Hex

 N/A 1-1/8 in28.6 mm

Technical Data

Set Pressure Range

 N/A 0.03 to 10.4 bar0.5 to 150 psig

Temperature Range

 N/A -195 to 204 ºC-45 to 400 ºF

Features

Features

 N/A
  • 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

Design and Application

 N/A
    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

Installation and Operation

 N/A
    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.