Buying Guide

31
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: 1.888.336.4226 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455
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AHEAD OF THE FLOW
®
Revised 7/20/2018
Class 125 Bronze Check Valves
Horizontal Swing • Regrinding Type • Y-Pattern • Renewable Seat and Disc
125 PSI/8.6 Bar Saturated Steam to 353°F/178°C
200 PSI/13.8 Bar Non-Shock Cold Working Pressure
CONFORMS TO MSS SP-80
T-413
Threaded
S-413
Solder
S-413-W
C x C
T-413-Y
NPT x NPT
MATERIAL LIST
PART SPECIFICATION
1. Bonnet Bronze ASTM B 62
2. Body Bronze ASTM B 62
3. Hinge Pin
Bronze ASTM B140 Alloy C31400 or
B 134 Alloy C23000
4. Disc Hanger
Bronze ASTM B 62 or
MPIF SS-316NI-25
5. Hanger Nut Bronze ASTM B 16
6. Disc Holder Bronze ASTM B 62
Water, Oil or Gas (Buna-N) (W)
7. Seat Disc Steam (PTFE) (Y)
Bronze ASTM (B) FKM (V) B 62 C83600
8. Seat Disc Nut Bronze ASTM B 16 or B 62
9. Hinge Pin Plug Bronze ASTM B140 Alloy C31400 (not shown)
10. Seat Disc Washer* ASTM B 98 Alloy C65500 or ASTM B 103
*Sizes ³⁄₄", 1", 1¹⁄₄", 1¹⁄₂" and 2" only.
DIMENSIONS—WEIGHTS—QUANTITIES
Dimensions
Size A B C T-413 S-413
Master
In. mm. In. mm. In. mm. In. mm. Lbs. Kg. Lbs. Kg. Ctn. Qty.
¹⁄₄ 8 2.13 54 1.63 41 1.38 35 0.50 0.23 0.51 0.23 50
³⁄₈ 10 2.13 54 1.63 41 1.31 33 0.47 0.22 0.48 0.22 50
¹⁄₂ 15 2.44 62 1.69 43 1.50 38 0.55 0.25 0.55 0.25 50
³⁄₄ 20 2.94 75 1.88 48 1.88 48 0.90 0.41 0.88 0.40 10
1 25 3.56 90 2.31 59 2.25 57 1.46 0.66 1.48 0.67 5
1 ¹⁄₄ 32 4.19 106 2.69 68 2.75 70 2.17 0.99 2.22 1.01 20
1 ¹⁄₂ 40 4.50 114 2.94 75 3.11 79 2.95 1.34 3.00 1.36 10
2 50 5.25 133 3.94 100 3.75 95 4.79 2.17 4.87 2.21 10
2 ¹⁄₂* 65 8 .00 203 5.06 129 5.06 129 11.48 5.21 10.48 4.76 5
3 * 80 9.25 235 6.25 159 6.25 159 17.53 7.96 15.29 6.94 4
Ordering: T-413 and S-413 normally furnished with Bronze Disc (T-413-B) or (S-413-B).
Both available with PTFE Steam Disc (T-413-Y), (S-413-Y), or CWP Disc (T-413-W),
(S-413-W) or 300º F 67 PSI steam FKM Disc (T-413-V).
*Class 150 (433) furnished for these sizes.
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.
Note: On pump discharge, the preferred check valves are: inline, spring assisted, center-guided, lift
checks.
NIBCO
®
Check Valves may be installed in both horizontal and vertical lines with upward flow or in
any intermediate position. They will operate satisfactorily in a declining plane (no more than 15º).
Warning – Do Not Use For Reciprocating Air Compressor Service.
t For detailed Operating Pressure, refer to Pressure Temperature Chart on page 114.
T-413-B
NPT x NPT
Dezincification
Resistant
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.