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A H E A D O F T H E F L O W
INSTALLATION, OPERATION, and MAINTENANCE GUIDE
NIBCO Adjustable Height Upright Indicator Posts
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.
TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455
Series NIP-1AU
NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227
®
www.nibco.com
www.nibco.com
PATENT #US 9,541,218
1
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Table of Contents
Summary of Contents for Nibco NIP-1AU Series
- Page 1 OPEN valve position. Simply follow the instructions provided with the Supervisory Switch for proper installation and operation. 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.
- Page 2 2. Indicator Post Selection NIBCO Indicator Posts are designed to work with 4” thru 16” size NIBCO Resilient Wedge Gate Valves (RWGVs) and 4” thru 12” sizes NIBCO Iron Body Bronze Mounted (IBBM) Gate Valves. See Table 1 and Fig. 1 for valve dimensional data. They will also work with any manufacturers non-rising stem Post Indicator Valve (PIV) that operates from 10 to 50 turns, and a maximum operating torque of 900 ft·lbs.
- Page 3 Operating Rod (26). Secure Head Assembly to Center Body (30) with Screw (28), Flatwasher (38), and Lockwasher (39). NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227 TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455...
- Page 4 WASHER, LOCK STAINLESS STEEL S30400 Fig. 2 NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227 TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455 www.nibco.com...
- Page 5 (counter-clockwise) opening valves. See Fig. 5. Fig. 3 NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227 TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455...
- Page 6 Secure OPEN Target Plates (8) by tightening Screws (37a). See Fig. 6. Determine the number of turns required to fully open the valve. See Table 1 for NIBCO valves. You should always confirm actual turns required to open the valve by counting them.
- Page 7 (COUNTER-CLOCKWISE) OPENING VALVES Fig. 6 Fig. 7 NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227 TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455 www.nibco.com...
- Page 8 U-bolt securing Operating Wrench to the indicator post, preventing valve operation. NIBCO Indicator Posts have provisions to add a Security Wire thru the Cap T-bolts (3) and Operating Stem (5) to prevent valve operation.
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