Buying Guide

73
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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Visit www.nibco.com for current Chem-Guide and galvanic potential in piping systems information.
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AHEAD OF THE FLOW
®
Revised 2/17/2020
E
A
C
Class 125 Iron Y-Strainer
Bolted Bonnet • Blow-Off Plug • Flanged End • 20 Mesh Stainless Steel Screen or Stainless Steel Perforated Screen
2" - 12": 125 PSI/8.6 bar saturated steam to 353°F/178°C
200 PSI/13.8 bar non-shock cold working pressure
14" & 16": 100 PSI/6.9 bar saturated steam to 353°F/178°C
150 PSI/ 10.3 bar non-shock cold working pressure
F-721-A
Flanged
F-721-A
Flanged
MATERIAL LIST
PART SPECIFICATION
1. Body Cast Iron ASTM A126 Class B
2. Bonnet Cast Iron ASTM A126 Class B
3. Screen Stainless Steel AISI 304
4. Bolt Carbon Steel ASTM A307
5. Gasket Metal-Filled Graphite
6. Plug Cast Iron ASTM A126 Class B
CONFORMS TO ANSI B16.1 (FLANGE)
Dimensions
SIZE A B C D E Weight
In. mm. In. mm. In. mm. In. mm. In. mm. In. mm. Lbs. Kg.
2 50
7.87 199.9 5.25 133.4 ½ 15 6.0 152.4 2.00 50.8 18.00 8.16
65 10.00 254.0 6.50 165.1 1 25 7.0 177.8 2.50 63.5 28.00 12.70
3 80 10.12 257.0 7.00 177.8 1 25 7.5 190.5 3.00 76.2 34.00 15.42
4 100 12.12 307.8 8.25 209.6 1 ½ 40 9.0 228.6 4.00 101.6 60.00 27.22
5 125 15.62 396.7 11.25 285.8 2 50 10.0 254.0 5.00 127.0 95.00 43.09
6 150 18.50 469.9 13.50 342.9 2 50 11.0 279.4 6.00 152.4 133.00 60.33
8 200 21.62 549.1 15.50 393.7 2 50 13.5 342.9 8.00 203.2 247.00 112.04
10 250 26.00 660.4 18.50 469.9 2 50 16.0 406.4 10.00 264.0 320.00 145.15
12 300 29.87 758.7 21.75 552.5 2 50 19.0 482.6 12.00 304.8 579.00 262.63
14* 350 33.25 844.6 26.06 662.0 2 50 21.0 533.4 14.00 355.6 772.00 350.17
16* 400 38.75 984.3 30.15 765.8 2 50 23.5 596.9 16.00 406.4 1133.00 513.92
*Sizes 14" and 16" rated to 150 CWP, 100 SWP
DIMENSIONS—WEIGHTS
NOTES:
1. 2” – 12” size strainers are rated 125 psi saturated steam and 200 psi CWP.
2. 14” & 16” size strainer are rated 100 psi saturated steam and 150 psi CWP.
3. 2” – 4” size strainers have square shaped bonnets.
4. 5” – 16” size strainers have round shaped bonnets.
5. Strainer drain plugs are installed hand tight only allowing easy removal for installation of a manual
drain valve. If manual drain valve is not used, installer must tighten drain plug for proper seal.
SCREEN SIZE:
2" - 4": 1/16" perforation
(37% open area)
5" - 16": 1/8" perforation
(40% open area)
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.
FLOW COEFFICIENTS
SIZE C
v
SIZE C
v
2"
42.7 8 974
2½" 83.1 10 1495
3" 117.0 12 1817
4" 177.0 14 2600**
5" 313 16 4000**
6" 453
**Estimated
FLOW