BRAND Hydraulics POR75 User Manual

B
ISO 9001:2000 WITH DESIGN
Certificate #02.002.1
INSTALLATION SHEET FOR
POR75 STYLE PILOT OPERATED RELIEF VALVE
ADDITIONAL SHEETS MAY BE PRINTED OUT FROM OUR WEBSITE WWW.BRAND-HYD.COM UNDER PRODUCT CATALOG SECTION
How do I adjust the relief setting?
First, remove the chrome hex plug with a 7/8”combination wrench, etc and set aside. This gives you access to the relief set screw (5/16” hex). Turning the set screw clockwise 1 turn will increase the pressure ~300psi [20.7bar].
Can I paint my valve?
Pipe thread sealant reducing agent which allows customers to over-torque fittings. We recommend using a sealant that does not include friction reducing agents i.e. Lead Plate.
Note: ¼” NPT port can be vented to tank and used as an unloading valve as well as a relief valve.
– Painting valves is okay as long as the all ports are properly plugged.
– Warranty is void when Teflon tape is used to seal pipe threads. This is because Teflon tape is a friction
1.94" [49.2]
KEEP WITH PRODUCT UNTIL INSTALLED
4.56" [115.8]
3.88" [98.4]
CHROME
1.75" [44.5]
0.87" [22.2]
3/4" NPT
TANK PORT
1.75" [44.5]
3/4" NPT
PRESSURE PORT
Figure 1: Dimensional Data for Pilot Operated Relief valve in inches & [millimeters].
BRAND HYDRAULICS
B
S.N.
R A
N D
HYDRAULICS
HEX PLUG
2x Ø0.27" [Ø6.8]
1
" NPT PORT
4
IS PLUGGED
4.56" [115.8]
1.62" [41.3]
Revision 12-06
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