Seepex BN 5-12 Series, Operation & Maintenance Manual

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© Copyright 2010 Spears
®
Manufacturing Company. All Rights Reserved. Printed in the United States of America 06/10. TECH-2-No.109
SPEARS
®
MANUFACTURING COMPANY
15853 Olden St., Sylmar, CA 91342
(818) 364-1611 • Visit our Web site: www.spearsmfg.com
Progressive Products From Spears
®
Innovation & Technology
Essential Installation Instructions
Preparation Checks
• Check that pipe ends are properly prepared for solvent cement or threaded installation of End Connectors.
• Check that system has adequate free movement for
fi nal assembly of Union Connection without misalignment
or need to “draw together” any gaps.
• Check that valves and system have adequate support.
Install End Connectors
• Always remove Union Nut & End Connectors from valve for installation.
• Slide Union Nut onto pipe BEFORE installing End Connector.
• Spears
®
uses a retained (press- fi t) O-ring on the End Connector. Check that the O-ring is in place and
pressed evenly into the groove without bumps or ripples.
• Solvent cement or thread End Connector to pipe as applicable. Allow to cure prior to further assembly or
valve installation.
Install Union Connection
• Make sure that the face of the End Connector is squarely aligned with the face of the body and fl ush against
the O-ring. DO NOT USE UNION NUTS TO DRAW TOGETHER ANY GAPS OR TO CORRECT SYSTEM
MISALIGNMENT.
• Support assembly and thread Union Nut onto Body.
• Tighten Nut HAND TIGHT ONLY.
• DO NOT use metal pipe wrenches.
Adjustments After Pressure Tests
• If any leaks are detected during system pressure test, disconnect Union and check for noted problems;
then reinstall. If problem persists, tighten Union Nut no more than an additional 1/16-turn. Use ONLY strap
wrenches. Apply a reference mark to the nut and body as an index to avoid over tightening. Tightening must
not exceed the following maximum torque values:
Maximum Union Nut Torque (in.-lbs)
WARNINGS:
• DO NOT USE LUBRICANTS OR THREAD SEALANTS ON UNION NUTS.
• DO NOT USE UNION NUTS TO DRAW TOGETHER ANY GAPS OR TO CORRECT SYSTEM
MISALIGNMENT.
• DO NOT SUPPORT EQUIPMENT OR SYSTEM COMPONENTS FROM A UNION CONNECTION.
• DO NOT USE ANY METAL WRENCHES. USE ONLY STRAP WRENCHES.
Not For Use With Compressed Air or Gas
Union Size (in.) 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 4 6
Torque (in.-lbs.) 58 83 95 122 170 190 269 560 583 912
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