Nibco 3-Piece Bronze Ball Valves User Manual download pdf

INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS

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: 1.888.446.4224 • Fax: 1.888.336.4224

NIBCO INC.

WORLD HEADQUARTERS

1516 MIDDLEBURY ST.

ELKHART, IN 46516-4740

USA

PHONE: 574.295.3000

FAX: 574.295.3307

WEB: www.nibco.com

Review Date: 01/18/2012

Original Date: NA

Installation and Maintenance Guidelines for

NIBCO

Three-Piece Bronze Ball Valves

I. GENERAL INFORMATION

A. Standard Series 590 and 595 NIBCO ball valves may be installed for pressure or

vacuum service in either direction.

B. For threaded valves, care must be taken to exclude pipe sealants from the valve

cavity.

C. For solder valves:

1. Fit valve into place between the two pieces of tubing after cleaning and

fluxing.

2. Remove top two body bolts, loosen the other two.

3. Carefully remove center section without altering the radial position of the seat

ring or damaging O-ring seals.

4. Attach end pieces to tubing by soldering or brazing in a workman-like

manner.

5. Allow end pieces to cool.

6. Carefully install center section without altering the radial location of seat rings

or damaging O-ring seals.

7. Tighten body bolts evenly to the torques listed in Table 1.

TABLE 1

Valve Torque (Ft./Lbs.)

595, 1/4” 5 – 6

595, 3/8” 5 – 6

595, 1/2” 5 – 6

595, 3/4” 8 – 10

590, 1-1/4” 10 – 12

590, 1” 10 – 12

590, 1-1/2” 12 – 15

595, 1-1/4” 12 – 15

590, 2” 12 – 15

595, 1-1/2” 12 – 15

590, 2-1/2” 20 – 25

595, 2” 20 – 25

590, 3” 20 – 30

595, 2-1/2” 20 – 30

1 2 3 4

Summary of Contents

Page 1 - I. GENERAL INFORMATION

INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS CAUTION: Only qualified personnel should undertake the procedures outlined in this documen

Page 2 - III. MAINTENANCE

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 2 D. CAUTION 1. Care must be taken to avoid scratching the machined sealing su

Page 3 - IV. REBUILDING

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 3 IV. REBUILDING A standard repair kit may be ordered, consisting of PTFE se

Page 4

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 4 For any technical enquiries please call NIBCO Technical Services.

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Nibco 3-Piece Bronze Ball Valves User Manual

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