Buying Guide

57
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
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AHEAD OF THE FLOW
®
Dezincification
Resistant
NIBCO
®
Press System Bronze In-line Lift Check Valves
In-Line Lift Type • Resilient Discs • Spring Actuated
200 psi/17.2 bar non-shock cold working pressure
250°F maximum operating temperature
MATERIAL LIST
PART SPECIFICATION
1. Body Bronze ASTM B584 Alloy C84400
2. Stem
Stainless Steel ASTM A582
Alloy C30300
3. Spring 316 Stainless Steel
4. Disc Holder Stainless Steel Type 301
5. Disc PTFE
6. Seat Screw
Stainless Steel ASTM A276
Alloy S43000
7. Body End Bronze ASTM B584 Alloy C84400
8. Adapter (2) Bronze ASTM B61 Alloy C92200
9. O-Ring (2) EPDM
DIMENSIONS—WEIGHTS
Dimensions
Size A B C Weight
In. mm. In. mm. In. mm. In. mm Lbs. Kg.
¹⁄₂ 15 2.41 61 1.38 35 .50 13 0.52 0.24
³⁄₄ 20 3.05 77 1.63 41 .75 19 0.75 0.34
1 25 3.56 90 2.00 51 1.00 25 1.18 0.54
1 ¹⁄₄ 32 3.86 98 2.38 60 1.25 32 1.72 0.78
1 ¹⁄₂ 40 4.45 113 2.75 70 1.50 38 2.49 1.13
2 50 5.28 134 3.38 86 2.00 51 3.96 1.80
PF-480-Y (PTFE Disc)
P x P
PF-480-Y
Press x Press
Female End
NIBCO Press System check valves may be installed in both horizontal and vertical lines
with upward flow or in any intermediate position.
WARNING - Do Not Use for reciprocating air compressor service.
NOTE: 0.5 psi pressure required to open spring.
NOTE: Check valves are down-rated from 250 psi CWP to 200 psi CWP to match the Press System.
Revised 7/25/2018
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.