FNW 1231, 1232 User Manual

Figure 1231 & 1232

BRONZE GLOBE VALVES

RISING STEM 125# GLOBE VALVE

FEDERAL SPECIFICATION

Features:

• 200 WOG

• 125 PSI Saturated Steam
(1231 Only)

• Rising Stem

• Resilient Disc

• NPT Ends

○ Fig. 1231 - Sizes 1/4” to 3”

• Solder Ends

○ Fig. 1232 - Sizes 1/2” to 2”

• 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

Note: Before installing solder end
valves, be sure the solder or brazing

alloy melting point is sufcient to

withstand the line pressure and
temperature and is compatible with the
media through the valve.

Cv & Weights (lbs.)

Size Cv 1231 1232

1/4 1.31 0.57
3/8 2.40 0.60
1/2 3.82 0.93 0.88
3/4 6.96 1.42 1.33

1 11.77 2.13 2.00
1-1/4 20.82 3.19 3.25
1-1/2 29.01 4.25 4.25

2 50.26 6.33 6.66
2-1/2 73.68 11.67

3 113.76 16.00

Fig. 1231

Figure Number Matrix

FNW 1 2 3 1 Size

END TYPE
1 = NPT Ends
(1/4”~3”)
2 = Solder Ends
(1/2”~2”)

SIZE CODE

1/4 = B
3/8 = C
1/2 = D
3/4 = F
1 = G

Fig. 1232

1-1/4 = H
1-1/2 = J
2 = K
2-1/2 = L
3 = M

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Figure 1231 & 1232

BRONZE GLOBE VALVES

RISING STEM 125# GLOBE VALVE

FEDERAL SPECIFICATION

Dimensions (inches)

Size

1/4 1.87 0.09 2.64 2.83 2.56 0.31 0.35
3/8 1.87 0.09 2.64 2.83 2.56 0.31 0.35
1/2 2.28 2.87 0.1 3.31 3.62 2.56 0.37 0.43 0.52
3/4 2.83 3.62 0.1 3.66 4.25 2.56 0.37 0.51 0.75

1 3.46 4.37 0.12 4.25 4.65 2.76 0.43 0.59 0.91
1-1/4 4.02 5.12 0.12 4.92 5.39 3.27 0.49 0.67 0.98
1-1/2 4.53 5.79 0.14 5.98 6.38 3.66 0.53 0.75 1.10

2 5.35 7.09 0.16 5.98 6.54 4.41 0.59 0.75 1.34
2-1/2 5.83 0.18 6.85 7.87 5.12 0.71 0.87

3 6.93 0.2 7.83 9.21 5.12 0.71 0.94

DOC: FNW1231-123206 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 specications of our products at any time without notice. Always
verify that you have the most recent product specications or other documentation prior to the installation of these products.

A

1231 1232 1231 1232

A1 B B1 C E

F

Ref.

Description Material Remarks

No.

1 Body BRONZE ASTM B62 C83600

2 Seat Lock Nut

3 Seat TEFLON (PTFE)
4 Disc BRASS ASTM B124 C37700
5 Stem BRASS ASTM B21 C48200
6 Bonnet BRONZE ASTM B62 CB3600

7 Stem Packing TEFLON (PTFE)
8 Packing Nut BRASS ASTM B16 C36000

9 Handwheel CAST IRON A48 CLASS #35
10 Nameplate COMMERCIAL ALUMINUM
11 Handwheel Nut STEEL AISI-1010
12 Disc Lock Nut BRASS ASTM B16 C36000 Sizes 1-14" to 2"

Standard Materials

BRASS ASTM B16 C36000 Sizes 1/2" to 1"

BRASS ASTM B124 C37700 Sizes 1-14" to 2"