Nibco Plastics Catalog - Paramount Supply
Nibco Plastics Catalog - Paramount Supply
Nibco Plastics Catalog - Paramount Supply
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88<br />
AHEAD OF THE FLOW ®<br />
Flanged Joints (continued)<br />
Flange Size Recommended Torque*<br />
1/2 - 1 1/2 10- 15 ft. lbs.<br />
2 - 4 20- 30 ft. lbs.<br />
6 - 8 33- 50 ft. lbs.<br />
10 53- 75 ft. lbs.<br />
12 80-110 ft. lbs.<br />
*For a well-lubricated bolt with flat washers under bolt head and nut.<br />
The following tightening pattern is suggested for the<br />
flange bolts:<br />
5. If the flange is mated to a rigid and stationary flanged<br />
object, or a metal flange, particularly in a buried situation<br />
where settling could occur with the plastic pipe,<br />
the plastic flange must be supported to eliminate<br />
potential stressing.<br />
NIBCO INC. WORLD HEADQUARTERS 1516 MIDDLEBURY ST. ELKHART, IN 46516-4740 USA PH: 1.800.234.0227<br />
TECH SERVICES PH: 1.888.446.4226 FAX: 1.888.336.4226 INTERNATIONAL OFFICE PH: +1.574.295.3327 FAX: +1.574.295.3455<br />
www.nibco.com<br />
www.nibco.com<br />
Revised 9/10/2009
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