Figure 1241 & 1242
BRONZE CHECK VALVES
150# Y-PATTERN SWING CHECK VALVE
FEDERAL SPECIFICATION
Features:
• 300 WOG
• 150 PSI Saturated Steam
• Resilient Disc
• NPT Ends
○ Fig. 1241 - Sizes 1/2” to 3”
• Solder Ends
○ Fig. 1242 - Sizes 1/2” to 3”
• Conforms to MSS SP-80
• Body Markings Comply with
MSS SP-25
• NPT Ends Comply with
ANSI/ASME B1.20.1
• Solder Ends Comply with
ANSI B16.18
Fig. 1242
Note: Before installing solder end
valves, be sure the solder or brazing
alloy melting point is sufcient to
withstand the line pressure and
temperature and is compatible with the
media through the valve.
Cv & Weights (lbs.)
Size Cv 1241 1242
1/2 4.8 0.60 0.56
3/4 14.3 0.91 0.80
1 24 1.35 1.30
1-1/4 43 2.18 1.95
1-1/2 60 3.06 2.70
2 102 4.57 4.45
2-1/2 150 7.70 7.68
3 238 11.00 9.15
Fig. 1241
Figure Number Matrix
FNW 1 2 4 1 Size
END TYPE
1 = NPT Ends
2 = Solder Ends
SIZE CODE
1/2 = D
3/4 = F
1 = G
1-1/4 = H
1-1/2 = J
2 = K
2-1/2 = L
3 = M
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Figure 1241 & 1242
BRONZE CHECK VALVES
150# Y-PATTERN SWING CHECK VALVE
FEDERAL SPECIFICATION
Dimensions (inches)
SIZE
1/2 2.36 2.60 0.54 0.50 1.77 1.77
3/4 2.76 3.39 0.57 0.75 1.97 1.97
1 3.40 4.09 0.70 0.91 2.28 2.28
1-1/4 3.78 4.72 0.71 0.97 2.67 2.67
1-1/2 4.57 5.39 0.75 1.09 2.95 2.95
2 5.35 6.69 0.79 1.34 3.70 3.70
2-1/2 6.72 7.64 1.14 1.47 4.65 4.55
3 7.55 8.74 1.18 1.66 5.47 5.37
DOC: FNW1241-124206 Ver. 1/2012
© 2012 - FNW. All rights reserved.
The FNW logo is a trademark of Ferguson Enterprises, Inc., PL Sourcing, PO Box 2778, Newport News, VA 23609
The contents of this publication are presented for information purposes only, and while effort has been made to ensure their accuracy, they are not to be construed as
warranties or guarantees, expressed or implied, regarding the products or services described herein or their use or applicability. All sales are governed by our terms and
conditions, which are available on request. We reserve the right to modify or improve the designs or specications of our products at any time without notice. Always
verify that you have the most recent product specications or other documentation prior to the installation of these products.
L C H
1241 1242 1241 1242 1241 1241
Ref.
No.
1 Body BRONZE ASTM B62 C83600
2 Cap BRONZE ASTM B62 C83600
3 Hanger BRONZE ASTM B62 C83600
4 Disc Holder BRONZE ASTM B62 C83600
5 Hanger Nut BRASS ASTM B16 C36000
6
7 Side Plug BRASS ASTM B16 C36000
8 Rivet MILD STEEL
9 Name Plate COMMERCIAL ALUMINUM
10 Washer BRASS ASTM B16 C36000
11 Screw BRASS ASTM B16 C36000
12 Disc TEFLON (PTFE)
Standard Materials
Description Material
Hanger Pin BRASS ASTM B16 C36000
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