Buying Guide

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NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227
TECH SERVICES PH: 1.888.446.4226 • FAX: [phone] • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: [phone]
www.nibco.com
www.nibco.com
AHEAD OF THE FLOW
®
Install 5 Pipe diameters minimum downstream from pump discharge or changes
in direction to avoid flow turbulence. Flow straighteners may be required in
extreme cases.
NIBCO In-line check valves may be installed in both horizontal and vertical
lines, or in any intermediate position.
Do not use for reciprocating air compressor service.
PC-480-Y-LF
PC-480-W-LF
Press Ends
PC-480-Y-LF
PC-480-W-LF
Press x Press
MATERIAL LIST
PART SPECIFICATION
1. Spring Stainless Steel S31600
2. Seat Screw Stainless Steel 18-8
3. Stem Stainless Steel ASTM A582 Alloy S30300
4. Disk Holder Stainless Steel 18-8
5. Disk (Y) PTFE (W) BUNA-N
6. Press End Adapter ASTM B75 Alloy C12200
7. Crimp Evident Seal O-Ring EPDM
8. O-Ring EPDM
9. Body Silicon Bronze ASTM B584 Alloy C87600
10. Body End Silicon Bronze ASTM B584 Alloy C87600
Lead-Free Bronze Ring Check
®
Valves
Features: Silicon Performance Bronze
®
Alloy • Inline Lift Type • Resilient Discs •
Spring Actuated
Approvals: Conforms to MSS SP-139 • NSF/ANSI-61-8 Commercial Hot 180°F
and NSF/ANSI-372
Size range: 1/2" - 2"
Pressure rating: 250 PSI non-shock cold working pressure
Maximum pressure / temperature: 100 PSI at 300° F
Lead-free marking: Double oval in body casting
Dezincification
Resistant
DIMENSIONS—WEIGHTS—QUANTITIES
SIZE A B C PC-480-Y-LF Master
In. mm. In. mm. In. mm. In. mm. Lbs. Kg. Ctn Qty.
1/2 15 3.647 93 1.570 40 2.251 57 0.48 0.22 100
3/4 20 4.438 113 1.860 47 2.518 64 0.69 0.31 100
1 25 4.640 118 2.360 60 2.870 73 1.07 0.48 50
11/4 32 5.117 130 2.680 68 3.097 79 1.53 0.69 30
11/2 40 6.314 160 3.060 78 3.544 90 2.12 0.96 30
2 50 7.084 180 3.720 94 4.064 103 3.40 1.54 10
SIZE A B C PC-480-W-LF Master
In. mm. In. mm. In. mm. In. mm. Lbs. Kg. Ctn Qty.
1/2 15 3.647 93 1.570 40 2.251 57 0.48 0.22 100
3/4 20 4.438 113 1.860 47 2.518 64 0.69 0.31 100
1 25 4.640 118 2.360 60 2.870 73 1.06 0.48 50
11/4 32 5.117 130 2.680 68 3.097 79 1.52 0.69 30
11/2 40 6.314 160 3.060 78 3.544 90 2.11 0.96 30
2 50 7.084 180 3.720 94 4.064 103 3.38 1.53 10
WARNING: This product can expose you to chemicals including lead, which is known to
the State of California to cause cancer and birth defects or other reproductive harm. For
more information go to www.P65Warnings.ca.gov.
Revised 1/7/2021
LEAD-FREE: Weighted average lead content ≤ 0.25%