Owner manual
SIZE (DN) DIMENSIONS WEIGHT
C H
I
L L1 FBV-4 FBVS-4
in. mm in. mm in. mm in. mm in. mm in. mm lbs. kg. lbs. kg..
1
⁄4 8 1
13
⁄16 46 3
7
⁄16 87
7
⁄16 11 1
3
⁄4 45 — — 0.4 0.16 — —
3
⁄8 10 1
13
⁄16 46 3
7
⁄16 87
1
⁄2 13 1
3
⁄4 44.7 — — 0.4 0.17 — —
1
⁄2 15 1
13
⁄16 46 3
7
⁄16 87
1
⁄2 13 2 50 2
1
⁄16 53 0.4 0.18 0.4 0.16
3
⁄4 20 2
1
⁄16 53 3
15
⁄16 101
11
⁄16 18 2
1
⁄4 57 2
5
⁄8 67 0.6 0.27 0.5 0.24
1 25 2
7
⁄16 62 4
1
⁄4 108
15
⁄16 24 2
13
⁄16 71 3
4
⁄16 83 1.1 0.49 1.0 0.44
1
1
⁄4 32 2
1
⁄2 64 4
1
⁄4 108 1
3
⁄16 31 3
1
⁄8 80 3
11
⁄16 93 1.5 0.68 1.4 0.64
1
1
⁄2 40 3 76 5
5
⁄16 135 1
7
⁄16 37 3
7
⁄16 88 4
3
⁄16 107 2.3 1.06 2.1 0.95
2 50 3
1
⁄2 89 6 153 2 51 4
1
⁄8 105 5
5
⁄16 135 3.7 1.69 3.8 1.74
2
1
⁄2 65 4
1
⁄16 104 7
3
⁄8 188 2
1
⁄2 64 5
5
⁄16 134 6
3
⁄16 158 7.9 3.57 7.2 3.27
3 80 4
1
⁄2 114 7
3
⁄4 197 3 76 6
1
⁄8 155 7
1
⁄4 184 11.8 5.37 11.0 4.99
Dimensions-Weights
Materials
Flow Curves
Valve Seat Rating
H
H
C
C
L
L1
FBV-4
FBVS-4
I
A. Handle Nut Zinc plated carbon steel
B. Handle Assembly Zinc plated carbon steel
with vinyl insulator
C. Packing Nut Brass
D. Stem Packing Virgin PTFE
E. O-Ring Fluorocarbon elastomer (FKM)
G. Stem Machined Brass
H. Tag Cardboard, Mylar coated both
sides
I. Body Forged brass
J. Seats Virgin PTFE
K. Ball Chrome plated brass
L. Adaptor Forged brass
I
50 100 200 300 400 500 °F
10 38 93 149 204 260 °C
bar psi
41.3 600
34.5 500
27.6 400
20.7 300
13.8 200
6.9 100
3.4 50
0 0
Temperature
Pressure
2 2 4 5 6 7 8 9 20 30 50 80 200 400 600 800 2000
1 10 100 1000 5000
20
10
1
.1
Differential Pressure (psig)
Flow (gpm)
1
⁄4”
3
⁄8”
1
⁄2”
3
⁄4” 1” 1
1
⁄4” 1
1
⁄2 “ 2” 2
1
⁄2” 3”
1
⁄4” – 2”
2
1
⁄2” – 3”
ES-FBV-4 1140 © 2011 Watts
USA: No. Andover, MA • Tel. (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Burlington, ON • (905) 332-4090 • Fax: (905) 332-7068 • www.wattscanada.ca
A Watts Water Technologies Company
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