Buying Guide

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NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227
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AHEAD OF THE FLOW
®
Revised 7/20/2018
Dezincification
Resistant
Class 200 Bronze Globe Valves
Union Bonnet • Replaceable Seat and Full Plug Disc
200 PSI/13.8 bar saturated steam to 391° F/201° C
400 PSI/27.6 bar non-shock cold working pressure
CONFORMS TO MSS SP-80
T-256-AP
Threaded
T-256-AP
NPT x NPT
Full Plug
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 61
9. Union Nut Bronze ASTM B 61
10. Body Bronze ASTM B 61
11. Disc Holder Nut Bronze ASTM B 61
12. Plug Disc
S42000 Stainless Steel
ASTM A 276 Hardened
13. Plug Seat Ring
S42000 Stainless Steel
ASTM A276 Hardened
DIMENSIONS—WEIGHTS—QUANTITIES
Dimensions
Size A B Weight Master
In. mm. In. mm. In. mm. Lbs. Kg. Ctn. Qty.
† ¹⁄₄ 8 2.63 67 4.44 113 1.37 0.62 50
† ³⁄₈ 10 2.63 67 4.44 113 1.33 0.60 50
¹⁄₂ 15 2.69 68 4.88 124 1.83 0.83 30
³⁄₄ 20 3.38 86 5.75 146 2.76 1.25 20
1 25 4.00 102 7.00 178 4.71 2.13 10
1¹⁄₄ 32 4.63 118 7.63 194 6.61 3.00 10
1¹⁄₂ 40 5.00 127 7.69 195 8.01 3.63 6
2 50 6.00 153 9.25 235 12.89 5.85 4
2¹⁄₂ 65 6.63 168 10.19 259 17.74 8.04 2
3 80 7.75 197 11.125 283 24.55 11.13 2
† 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.