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Thermoplastic Valves Product Guide & Engineering Specifictions
Quiet Check Valves
Made in the U.S.A. Suitable for Oil-Free air handling to 25 psi, not for distribution of compressed air or gas Page 818
Due to Material Cost Variations, Prices Sub
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www.spearsmf
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.com
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D
B
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Part
Number
Size A B C D
8622-015 1-1/2 3-3/8 7-1/8 9-15/16 3-1/2
8622-020 2 3-3/4 8-3/4 11-13/16 4-1/2
The check valve should be installed 12–18" above the pump discharge, or as recommended by the pump system
manufacturer. Be sure check valve installation complies with local codes.
The Quiet Check Valve may be installed in either horizontal or vertical position. Check pump system manufacturer’
s
recommendations for horizontal, vertical or angled positioning of check valve in discharge line. In horizontal instal
-
lations, orient valve according to “This Side Up” marking for best operation. In all installations, valve MUST be
installed in proper fl ow direction as indicated by the fl ow arrow on body.
Part
Number
Size A B C D
8622-015 1-1/2 2-3/4 3-13/16 6-1/2 3-1/2
8622-020 2 3-3/8 5-3/16 8 4-1/2
Technical Information
Note: Includes Both True Union Sockets for Easy Servicing and Direct Socket Connection for Installation i
n
Confined Space
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D
B
C
FLOW
True Union Socket Connection
Direct Socket Connection
True Union Socket Connection Direct Socket Connection