Nibco NIP-1AU Series Document technique

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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

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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

PATENT #US 9,541,218

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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

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2. Indicator Post Selection

2.1 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.

DIMENSIONAL DATA FOR NIBCO RWGV AND IBBM GATE VALVES

VALVE

SIZE

NIBCO RESILIENT WEDGE GATE VALVES

(RWGV)

NIBCO IRON BODY BRONZE MOUNTED

GATE VALVES (IBBM)

TURNS

TO OPEN

A B 1/2 PIPE OD TURNS

TO OPEN

A B 1/2 PIPE OD

INCH MM INCH MM INCH MM INCH MM INCH MM INCH MM

4” 13 13.46 342 10.12 257 2.40 61 9 14.13 359 10.47 266 2.40 61

6” 15.7 17.01 432 13.78 350 3.45 88 13.5 18.54 471 16.30 414 3.45 88

8” 17.3 20.47 520 17.32 440 4.53 115 17.5 22.13 562 18.11 460 4.53 115

10” 21.4 23.82 605 20.71 526 5.50 140 30.3 25.75 654 21.89 556 5.50 140

12” 25.3 27.01 686 23.86 606 6.60 168 38.3 29.49 749 24.57 624 6.60 168

14” 44 31.81 808 28.58 726 7.65 194       

16” 50 34.21 869 30.98 787 8.70 221       

2.2 For Upright Indicator Posts, four Figure No. options are available. See Table 2.

• NIP-1AU, Standard height

• NIP-1AU E, Extended height

• NIP-1AU EE, Double extended height

• NIP-1AU EEE, Triple extended height

See Table 2 for adjustable height ranges, and Table 3 for Bury Depths.

NIBCO UPRIGHT INDICATOR POST

ADJUSTABLE HEIGHT RANGE

ADJUSTABLE

HEIGHT RANGE

NIP-1AU NIP-1AU E NIP-1AU EE NIP-1AU EEE

H* H H H

INCH MM INCH MM INCH MM INCH MM

MINIMUM 16 406 34 864 52 1321 70 1778

MAXIMUM 36 914 54 1372 72 1829 90 2286

Table 1

Table 2

*For dimension “H” see Fig. 3 Fig. 1

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TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455

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NIBCO UPRIGHT INDICATOR POST VALVE BURY DEPTH

VALVE

SIZE

*ROUNDED

ADJUSTABLE

BURY

DEPTH

RANGE

NIBCO RESILIENT WEDGE

GATE VALVES (RWGV)

NIBCO IRON BODY BRONZE MOUNTED

GATE VALVES (IBBM)

NIP-1AU NIP-1AU E NIP-1AU EE NIP-1AU EEE NIP-1AU NIP-1AU E NIP-1AU EE NIP-1AU EEE

BURY

DEPTH

BURY

DEPTH

BURY

DEPTH

BURY

DEPTH

BURY

DEPTH

BURY

DEPTH

BURY

DEPTH

BURY

DEPTH

INCH MM INCH MM INCH MM INCH MM INCH MM INCH MM INCH MM INCH MM

4” MINIMUM 28 724 46 1181 64 1638 82 2095 29 733 47 1190 65 1647 83 2104

MAXIMUM 48 1232 66 1689 84 2146 102 2603 49 1241 67 1698 85 2155 103 2612

6” MINIMUM 33 844 51 1301 69 1758 87 2215 36 908 54 1365 72 1822 90 2279

MAXIMUM 53 1352 71 1809 89 2266 107 2723 56 1416 74 1873 92 2330 110 2787

8” MINIMUM 38 961 56 1418 74 1875 92 2332 39 981 57 1438 75 1895 93 2352

MAXIMUM 58 1469 76 1926 94 2383 112 2845 59 1489 77 1946 95 2403 113 2860

10” MINIMUM 42 1072 60 1529 78 1986 96 2443 43 1102 61 1559 79 2016 97 2473

MAXIMUM 62 1580 80 2037 98 2494 116 2951 63 1610 81 2067 99 2524 117 2981

12” MINIMUM 46 1180 64 1637 82 2094 100 2551 47 1198 65 1655 83 2112 101 2569

MAXIMUM 66 1688 84 2145 102 2602 120 3059 67 1706 85 2163 103 2620 121 3077

14” MINIMUM 52 1326 70 1783 88 2240 106 2697      

MAXIMUM 72 1834 90 2291 108 2748 126 3205      

16” MINIMUM 56 1414 74 1871 92 2328 110 2785      

MAXIMUM 76 1922 94 2379 112 2836 130 3293      

* INCH DIMENSIONS SHOWN ARE ROUNDED TO THE NEAREST INCH

3. Installation of Upright Style Indicator Post

3.1 Fully OPEN the gate valve to which the Indicator Post is being attached.

3.2 Loosen but do not remove 2 Body Bolts (35) 3 turns. Remove Barrel (32) and Body Base (31) from inside Center Body (30).

Remove Operating Rod (26) from Indicator Post by sliding it out the bottom, See Fig. 2.

3.3 Position Body Base (31) on top of buried valve PIV plate and secure with 4 customer supplied bolts, washers, & nuts, See Fig. 3.

3.4 Remove Bolt (28), Flatwasher (38), and Lockwasher (39) from Upper Body (1) and lift Head Assembly from Center Body (30).

3.5 Slide Center Body (30) over Barrel (32) and slide down until BURY line cast on Center Body is even with planned finished

grade soil level. Securely tighten 2 Body Bolts (35). See Fig. 2 & 3.

3.6 Insert 1” square Operating Rod (26) with attached Coupling (25) inside Barrel (32) and fully engage Coupling onto Operating

Nut of valve as shown in Fig. 3. Mark Operating Rod at a distance 10¾” from top edge of Center Body (30), See Fig. 4.

Remove Operating Rod (26) from Barrel (32) and cut off the top section of the 1” square Rod at location you just marked.

Remove any sharp edges from the Rod with a file.

3.7 Reinstall the shortened Operating Rod (26) into Barrel (32), making sure the Coupling (25) is fully engaged on Operating Nut

of valve, See Fig. 3.

3.8 Reinstall the Head Assembly by sliding the 1” square pocket located in bottom side of Head Assembly onto

Operating Rod (26). Secure Head Assembly to Center Body (30) with Screw (28), Flatwasher (38), and Lockwasher (39).

Table 3

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TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455

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Fig. 2

Table 4

UPRIGHT STYLE INDICATOR POST PARTS LIST

NO. DESCRIPTION MATERIAL SPECIFICATION QTY.

1 UPPER BODY DUCTILE IRON ASTM A536 Gr. 65-45-12 1

2 CAP DUCTILE IRON ASTM A536 Gr. 65-45-12 1

3 T-HEAD BOLT, CAP STEEL, ZINC PLATED ASTM A105 2

4 NUT, CAP STEEL, ZINC PLATED ASTM A105 2

5 OPERATING STEM BRONZE ASTM B584 C84400 / B62 C83600 1

6 RETAING RING, STEM STAINLESS STEEL ASTM A276 S30400 1

7 LEADING BOGIE BRONZE ASTM B584 C84400 / B62 C83600 1

8 TARGET PLATE, OPEN ALUMINUM ASTM B26 2

9 TARGET PLATE, SHUT ALUMINUM ASTM B26 2

10 EXTENSION PLATE STEEL, PAINTED BLACK ASTM A1008 2

11 TARGET ROD BRASS ASTM B16 C36000 2

12 VIEW WINDOW POLYCARBONATE COMMERCIAL 2

13 GASKET, WINDOW RUBBER ASTM D2000 EPDM 2

14 GUARD, WINDOW CAST IRON ASTM B124 Gr. B 2

19 SCREW, HEX HEAD CAP STAINLESS STEEL S30400 4

20 WASHER STAINLESS STEEL S30400 4

21 SCREW, SLOTTED FLAT HD. STAINLESS STEEL S30400 4

22 PLUG, 1/2" PIPE STEEL, ZINC PLATED COMMERCIAL 1

23 U-BOLT FORGED STEEL ASTM A105 1

24 COTTER PIN STAINLESS STEEL S30400 1

25 COUPLING, OPERATING ROD DUCTILE IRON ASTM A536 Gr. 65-45-12 1

26 OPERATING ROD STEEL ASTM A105 1

28 SCREW, HEX HEAD CAP STAINLESS STEEL S30400 1

29 WRENCH, OPERATING DUCTILE IRON ASTM A536 Gr. 65-45-12 1

30 CENTER BODY DUCTILE IRON ASTM A536 Gr. 65-45-12 1

31 BASE BODY DUCTILE IRON ASTM A536 Gr. 65-45-12 1

32 BARREL DUCTILE IRON ASTM A536 Gr. 65-45-12 1

33 SCREW, HEX HEAD CAP STAINLESS STEEL S30400 3

35 SCREW, HEX HEAD CAP STAINLESS STEEL S30400 2

37 SCREW, SOCKET HD. SET STAINLESS STEEL S30400 6

38 WASHER, FLAT STAINLESS STEEL S30400 1

39 WASHER, LOCK STAINLESS STEEL S30400 1

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TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455

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4. OPEN and SHUT Target Adjustment

4.1 All NIBCO Indicator Posts are shipped for use with

“left-hand” (counter-clockwise) opening valves.

4.2 Remove two Nuts (4) and two T-Head Bolts (3) that

secure Cap (2) to Indicator Post. See Fig. 2.

4.3 Grasp Cap (2) and remove from Indicator Post by lifting

upward until Target assembly is clear.

4.4 Target Plates (8 & 9) must be positioned with the OPEN

Plate (8) above the SHUT Plate (9) for “left-hand”

(counter-clockwise) opening valves. See Fig. 5.

Fig. 3

Fig. 4

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TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455

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TARGET ASSEMBLY PARTS LIST

NO. DESCRIPTION MATERIAL SPECIFICATION QTY.

7 LEADING BOGIE BRONZE ASTM B584 C84400 / B62 C83600 1

8 TARGET PLATE, OPEN ALUMINUM ASTM B26 2

9 TARGET PLATE, SHUT ALUMINUM ASTM B26 2

10 EXTENSION PLATE STEEL, PAINTED BLACK ASTM A1008 2

11 TARGET ROD BRASS ASTM B16 C36000 2

21 SCREW, SLOTTED FLAT HD. STAINLESS STEEL S30400 4

37 SCREW, SOCKET HD. SET STAINLESS STEEL S30400 6

Table 5

Fig. 5

4.5 Position OPEN Target Plates (8) so they are in the full upward position for “left-hand” (counter-clockwise) opening valves.

Secure OPEN Target Plates (8) by tightening Screws (37a). See Fig. 6.

4.6 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.

4.7 Using Table 6, choose the closest “Number of Turns to Open Valve” and the corresponding “Distance Between Targets”

dimension “X”.

4.8 Measure and position both SHUT Target Plates (9) at dimension “X” from OPEN Target Plates (8). See Fig. 6.

4.9 Secure both SHUT Target Plates (9) by tightening Screws (37a) with an Allen wrench.

NOTE: Only half of

assembly is shown

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TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.234.0557 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455

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NUMBER

OF TURNS

TO OPEN

VALVE

DISTANCE

BETWEEN TARGETS

INCH MM

10 0.000 0.0

11 0.050 1.3

12 0.150 3.8

13 0.250 6.4

14 0.350 8.9

15 0.450 11.4

16 0.550 14.0

17 0.650 16.5

18 0.750 19.1

19 0.850 21.6

20 0.950 24.1

21 1.050 26.7

22 1.150 29.2

23 1.250 31.8

NUMBER

OF TURNS

TO OPEN

VALVE

DISTANCE

BETWEEN TARGETS

INCH MM

24 1.350 34.3

25 1.450 36.8

26 1.550 39.4

27 1.650 41.9

28 1.750 44.5

29 1.850 47.0

30 1.950 49.5

31 2.050 52.1

32 2.150 54.6

33 2.250 57.2

34 2.350 59.7

35 2.450 62.2

36 2.550 64.8

37 2.650 67.3

NUMBER

OF TURNS

TO OPEN

VALVE

DISTANCE

BETWEEN TARGETS

INCH MM

38 2.750 69.9

39 2.850 72.4

40 2.950 74.9

41 3.050 77.5

42 3.150 80.0

43 3.250 82.6

44 3.350 85.1

45 3.450 87.6

46 3.550 90.2

47 3.650 92.7

48 3.750 95.3

49 3.850 97.8

50 3.950 100.3

51 4.050 102.9

ADJUSTMENT OF TARGET PLATES

Table 6

POSITIONING OF OPEN TARGET PLATES FOR VIEW WINDOW

STANDARD TARGET

LOCATION FOR “LEFT-HAND”

(COUNTER-CLOCKWISE)

OPENING VALVES

Fig. 6 Fig. 7

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6. Positioning of Targets in View Window

6.1 Rotate Square Operating Stem (5) positioning the center of the OPEN Target Plate (8) until it is located 6¾” from the inside lip

of Cap (2). See Fig. 7.

6.2 Verify that the valve is in full OPEN position.

6.3 Reinstall the Cap (2) & Target assembly into the Upper Body (1) making sure both alignment ears on bronze Leading Bogie (7)

straddle the guides cast on the inside of the Upper Body. See Fig. 2.

6.4 Reinstall 2 T-Head Bolts (3) in Cap and secure with 2 Nuts (4).

6.5 Check to assure that the OPEN Target Plate (8) is centered in both sides of the view window.

7. Operation

7.1 The post indicator valve (PIV) can be opened or shut by simply placing the Operating Wrench (29) onto Operating Stem (5) and

rotating in the desired direction. To open the valve, simply turn the wrench in the counter-clockwise direction as indicated on

Cap (2). To shut the valve, simply turn the wrench in the clockwise direction. See Fig. 2.

7.2 The Target Plates (8) (9) can be visually checked in the view windows to determine if PIV is open or shut.

7.3 After installation, the PIV should be cycled to the full shut position and both view windows should be visually inspected to

assure the SHUT target plates are centered. The PIV should then be cycled to the full open position and both view windows

should be visually inspected to assure the OPEN target plates are centered.

7.4 Valve position can be secured by simply placing the Operating Wrench (29) over the Operating Stem (5) and over U-bolt (23). A

customer supplied lock can be installed into the U-bolt securing Operating Wrench to the indicator post, preventing valve operation.

7.5 NIBCO Indicator Posts have provisions to add a Security Wire thru the Cap T-bolts (3) and Operating Stem (5) to prevent valve operation.

8. Maintenance

8.1 Lubrication should be added to oil hole located in top of Operating Stem (5) on an annual basis. Note: it is necessary to

remove the Operating Wrench (29) to expose the oil hole.

8.2 Periodic visual inspection is recommended.

8.3 Exercising (cycling) of the valve to assure proper function is recommended.

9. Repair Parts

9.1 Some specialty components are available for replacement if needed. See Table 7.

9.2 Common fasteners such as nuts, bolts, and washers are available at your local hardware.

NO. DESCRIPTION PART NO.

3T-HEAD BOLT NP1AU10

12 VIEW WINDOW NP1AU06

13 WINDOW GASKET NP1AU09

14 WINDOW GUARD NP1AU07

24 COTTER PIN NP1AU21

NO. DESCRIPTION PART NO.

25 OPERATING ROD COUPLING NP1AU22

26 OPERATING ROD 72" NP1AU16

26 OPERATING ROD 90" NP1AU16E

26 OPERATING ROD 108" NP1AU16EE

26 OPERATING ROD 126" NP1AU16EEE

29 OPERATING WRENCH NP1AU17

REPAIR PARTS ADJUSTABLE HEIGHT UPRIGHT STYLE

Table 7

Ce manuel convient aux modèles suivants

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