NIBCO 600-CWP User Manual

NIBCO INC.

WORLD HEADQUARTERS

1516 MIDDLEBURY ST.

ELKHART, IN 46516-4740

USA

PHONE: [phone]

FAX: [phone]

WEB: www.nibco.com

INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS

Review Date: 01/18/2012

Original Date: NA

Installation and Maintenance Guidelines for

®

NIBCO

Two-Piece Bronze Ball Valves 600 CWP

(Figure 580-70/585-70)

INSTALLATION

1. Operate valve before installing. This verifies functionality.

2. Threaded Valves: Check connecting pipe threads for accuracy. Make sure the pipe
threads are free of foreign materials such as scale or metal shavings.
Soldered End Valves: See Installation Bulletin on Page 2.

3. To ensure proper installation, standard piping practices should be followed.

4. The NIBCO two-piece ball valve is a bi-directional valve.

MAINTENANCE

1. General maintenance should consist of operating the valve periodically to ensure that it
is functioning properly.

2. Routine maintenance consists of tightening the packing to compensate for wear. When
leakage occurs, the packing gland follower (under handle) should be tightened in 1/8 to
1/4 turn increments just enough to stop leakage. This can be done with a thin open­ended wrench or a special packing adjustment wrench that can be purchased from
NIBCO (Part No. T067474 ASBLY).

NIBCO DOES NOT RECOMMEND DISASSEMBLY OF THIS VAL VE

TO ATTEMPT INTERNAL REPAIRS.

CAUTION: Only qualified personnel should undertake the procedures outlined in this document.

NIBCO INC., its agents, representatives and employees assumes no liability for the use of these
procedures. These procedures are offered as suggestions only.

NIBCO Technical Services • Phone: [phone] • Fax: [phone]

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INSTALLATION BULLETIN FOR SOLDER END, TWO-PIECE BRONZE BALL VALVES

This valve can be soft soldered into lines without disassembly, using a low temperature
solder such as 95/5 tin antimony solder which melts at 452°F - 464°F. For all lead-free
solders which melt in this temperature range, extreme care must be used to prevent seat
damage since temperatures above 500°F will affect the seat materials.

INSTALLATION PROCEDURE:

1. Clean and flux as you would any solder joint.

2. Close the valve. This does two things – it gets the handle out of the way and

protects the PTFE seats with the ball.

3. Wrap a wet rag around valve body.

4. With the flame directed away from the valve, apply heat to the end opposite the

threaded end piece. Apply solder and move off.

5. Repeat Step 4 on threaded insert end.

6. Upon completion of Steps 1 to 5, leave the valve in the closed position until

cool.

7. Heat from soldering, if excessive, may affect stem seal. After completion of

soldering it may be necessary to tighten packing gland. Always check for
leakage after installation.

WARNING: DO NOT under any circumstances, solder the downstream end of this valve
while there is upstream pressure/or with fluid trapped in the cavity around the ball.
Thermal expansion of this fluid could produce excessive internal pressure which could
damage seat or body materials. Always drain down the system and cycle the valve two to
three times after drain down is complete before applying heat. Steam created from trapped
fluid in cavity around the ball could cause the valve to burst if valve is heated excessively.

For any technical enquiries please call NIBCO Technical Services.

NIBCO Technical Services • Phone: [phone] • Fax: [phone]

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