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INSTALLATION, OPERATION, and MAINTENANCE GUIDE
NIBCO Adjustable Height Upright Indicator Posts
Series NIP-1AU
NIBCO Series NIP-1AU Adjustable Height Indicator Posts are designed and manufactured to:
•
Operate non-rising stem (NRS) post indicator valves (PIV) that are buried underground
•
Operate multi-turn post indicator valves (PIV) with an operating range from 10 to 50 turns
•
Visually indicate if the underground valve is in the OPEN or SHUT position
•
Provide a means to lock the valve into a desired position (usually OPEN)
NIBCO Indicator Posts are listed by Underwriters Laboratories Inc. (UL),
Underwriters Laboratories Inc. for use in Canada (C-UL), and approved
by Factory Mutual Research Corp. (FM).
It is important to follow the instructions below to assure proper
installation and safe trouble-free operation. Failure to follow these
instructions may result in reduced product performance and may cause
loss of manufacturer’s warranty.
1. Application
1.1 NIBCO Indicator Posts are primarily used with multi-turn non-rising stem (NRS) post indicator valves (PIV) controlling water
supplies to sprinkler, deluge, water spray, foam, and standpipe systems used in fire protection service.
1.2 NIBCO Indicator Posts are designed for outdoor service and are coated with electrostatically applied fusion bonded epoxy
resin to resist corrosion.
1.3 NIBCO Upright Indicator Posts have a 20” adjustment range, and can be ordered to accommodate various bury depths.
1.4 NIBCO Indicator Post view targets are adjustable to accommodate valves of various sizes.
1.5 NIBCO Indicator Posts are shipped for use with “left-hand” (counter-clockwise) opening valves.
1.6 NIBCO Indicator Posts are designed to allow the attachment of a Control Valve Supervisory Switch for electronic monitoring
of the OPEN valve position. Simply follow the instructions provided with the Supervisory Switch for proper installation and
operation.
1.7 NIBCO Upright Indicator Posts are designed to mate and bolt directly to the Post Indicator Valve (PIV) flange; four ¾” holes
on a 10½” diameter bolt circle.
1.8 Indicator Posts should be inspected on a regular basis.
UINDP-0617
© 2017, NIBCO INC.
PATENT #US 9,541,218
