Buying Guide

26
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]
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AHEAD OF THE FLOW
®
Revised 7/20/2018
Dezincification
Resistant
Class 125 Bronze Angle Valves
Screw-In Bonnet • Integral Seat • Renewable Seat 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-311-Y
Threaded
S-311-Y
Solder
T-311-Y
NPT x NPT
S-311-Y
C x C
MATERIAL LIST
PART SPECIFICATION
1. Handwheel Nut 300 Series Stainless Steel
2. Identification Plate Aluminum
3. Handwheel Malleable Iron ASTM A 47
4. Stem
Silicon Bronze ASTM B 371
Alloy C69400/C69430
5. Packing Gland
Bronze ASTM B 62 or ASTM B124
Brass ASTM B16 C36000
6. Packing Nut
Bronze ASTM B 62 or ASTM B584
Alloy C37700 or Brass ASTM Alloy C36000
7. Packing Aramid Fibers with Graphite
8. Bonnet Bronze ASTM B 62
*9. Disc Holder Nut
Bronze ASTM B 62 or
B 140 Alloy C31400
10. Disc Holder Bronze ASTM B 62
11. Seat Disc Steam (PTFE) (Y)
12. Seat Disc Nut Bronze ASTM B 62 w/SS Washer
13. Body Bronze ASTM B 62
* 2¹⁄₂" and 3" are ASTM B 61
DIMENSIONS—WEIGHTS—QUANTITIES
Dimensions
Size B F & G H & J T-311 S-311 Master
In. mm. In. mm. In. mm. In. mm. Lbs. Kg. Lbs. Kg. Ctn. Qty.
*¹⁄₄ 8 3.50 89 .94 24 1.19 30 0.98 0.44 0.82 0.37 50
*³⁄₈ 10 3.50 89 .88 22 1.19 30 0.93 0.42 0.82 0.37 50
*¹⁄₂ 15 3.50 89 .88 22 1.31 33 1.01 0.46 0.95 0.43 30
³⁄₄ 20 4.94 126 1.13 29 1.56 40 1.70 0.77 1.71 0.78 20
1 25 5.75 146 1.44 37 1.88 48 2.82 1.28 2.79 1.27 10
1 ¹⁄₄ 32 6.13 156 1.50 38 2.19 51 3.76 1.70 3.77 1.71 10
1 ¹⁄₂ 40 7.25 179 1.75 45 2.38 60 5.79 2.63 4.70 2.13 6
2 50 8.13 206 2.16 55 2.81 72 8.76 3.97 8.73 3.96 4
2 ¹⁄₂ 65 10.56 268 2.69 68 3.19 81 16.13 7.32 16.13 7.32 2
3 80 11.19 284 3.25 83 3.88 99 21.72 9.85 21.32 9.67 2
* Stem and Disc or Disc Holder are integral. No packing gland, packing only in these sizes.
FREEZING WEATHER PRECAUTION: Subsequent to testing a piping system, valves should be left in
an open position to allow complete drainage.
t For detailed Operating Pressure, refer to Pressure Temperature Chart on page 114.
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.