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Nil-Cor Flanged Ball Check Valves
Installation, Maintenance and Operating Instructions
Series 300, 310 and 410
Nil-Cor Check Valves have been designed for easy installation, assembly and
maintenance. We recommend installation in piping systems with flat face flanges. When
installing against raised face flanges, spacer rings should be used to provide a flat
surface to the face of the valve flange. The ball and seat assembly are retained by a
threaded body insert that can be removed for inspection and can be serviced by
qualified maintenance personnel.
CAUTION: Refer to the Nil-Cor Corrosion Guide, Catalog 1000, to verify suitability for
chemical applications. Contact factory for assistance for chemicals not listed.
8/31/07
Serial Number
Date Code
Prior to Jan. 2,
2000
Serial Number
Date Code
After Jan. 2,
2000
Pub. 410
www.nilcor.com
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Table of Contents
Related Manuals for Nil-Cor 310 Series
Summary of Contents for Nil-Cor 310 Series
- Page 1 Prior to Jan. 2, 2000 Serial Number Date Code After Jan. 2, 2000 CAUTION: Refer to the Nil-Cor Corrosion Guide, Catalog 1000, to verify suitability for chemical applications. Contact factory for assistance for chemicals not listed. 8/31/07 Pub. 410 www.nilcor.com...
- Page 2 Installation 1) Because Nil-Cor Check Valves are unidirectional, it is important to ensure that the arrow on valve points in the direction of free flow. 2) Pipe must be properly aligned and provisions made to minimize stress from thermal expansion. Always review pipe manufacturer’s recommendations.
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