Size:
2" thru 12"
Series:
03; Full Lug
Body:
1; Ductile Iron
Disc:
2; Aluminum Bronze
Shaft:
1; 416SS
Seat:
4; NSF Approved EPDM
Operator:
G; Gear Operator - 6" through 12"
5; Standard handle (10-position) - 2" through 8"
12 - BF- 03 - 121 - 4G
Size A B C D E F G H I J
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm
2" 50 10
3
⁄4 273 6
3
⁄8 161 1
5
⁄8 42 1
1
⁄4 32 2
1
⁄8 54 3
1
⁄16 77 10
1
⁄2 267
1
⁄2 13 3
3
⁄4 95
3
⁄8 9
2
1
⁄2" 65 11
5
⁄8 295 6
7
⁄8 175 1
3
⁄4 45 1
1
⁄4 32 2
9
⁄16 65 3
1
⁄16 77 10
1
⁄2 267
1
⁄2 13 4
1
⁄4 108
3
⁄8 9
3" 80 12
1
⁄8 308 7
1
⁄8 181 1
3
⁄4 45 1
1
⁄4 32 3
1
⁄8 79 3
1
⁄16 77 10
1
⁄2 267
1
⁄2 13 4
3
⁄4 120
3
⁄8 9
4" 100 13
5
⁄8 346 7
7
⁄8 200 2 52 1
1
⁄4 32 4
1
⁄8 105 3
5
⁄8 92 10
1
⁄2 267
5
⁄8 16 6
1
⁄16 154
3
⁄8 10
5" 14
5
⁄8 372 8
3
⁄8 213 2
1
⁄8 54 1
1
⁄4 32 4
7
⁄8 124 3
5
⁄8 92 10
1
⁄2 267
3
⁄4 19 7
1
⁄8 181
1
⁄2 13
6" 150 15
5
⁄8 397 8
7
⁄8 226 2
3
⁄16 55 1
1
⁄4 32 6
1
⁄8 156 3
5
⁄8 92 10
1
⁄2 267
3
⁄4 19 8
3
⁄16 208
1
⁄2 13
8" 200 18
7
⁄8 479 10
1
⁄4 260 2
3
⁄8 60 1
3
⁄4 45 8 200 4
1
⁄2 115 14 356
7
⁄8 22 10
1
⁄4 260
5
⁄8 16
10" 250 21
1
⁄4 540 11
1
⁄2 292 2
5
⁄8 66 1
3
⁄4 45 9
7
⁄8 251 4
1
⁄2 115 14 N/A 1
1
⁄8 29 12
5
⁄8 320
3
⁄4 19
12" 300 24
5
⁄8 626 13
1
⁄4 337 3 76 1
3
⁄4 45 11
7
⁄8 301 5
1
⁄2 140 14 N/A 1
1
⁄4 32 14
3
⁄4 375 1
1
⁄4 32
Body: FDA Epoxy Coated ASTM A-536 Ductile Iron.
Bushing: Duralon (3): Teflon
®
- Dacron liner bonded
to fiberglass - epoxy resin outer shell.
Stem O-rings: Buna-N
Disc: ASTM A-395 Ductile Iron/Electroless Nickel-
plated
Shaft: 416 Stainless Steel
Seat: NSF Approved EPDM +5°F to 248°F
(-15°C to +120°C)
Note: Do not use EPDM when hydrocarbons are present.
Duralon
®
is a Registered Trademark of Rexnord Corporation
Top Plate Drilling Tapped Lug Data Key Way Weight†
Size N O Bolt Circle No. Bolt Q BF-03
in mm in. mm in. mm in. mm Holes P in. mm lbs. kgs.
2" 50 2
1
⁄4 57
1
⁄4 6 4
3
⁄4 121 4
5
⁄8"-11UNC x 1
1
⁄4" – – 8 3.6
2
1
⁄2" 65 2
1
⁄4 57
1
⁄4 6 5
1
⁄2 140 4
5
⁄8"-11UNC x 1
3
⁄8" – – 10 4.5
3" 80 2
1
⁄4 57
1
⁄4 6 6 150 4
5
⁄8"-11UNC x 1
3
⁄8" – – 10 4.5
4" 100 2
3
⁄4 70
3
⁄8 10 7
1
⁄2 191 8
5
⁄8"-11UNC x 1
1
⁄2" – – 17 7.7
5" 2
3
⁄4 70
3
⁄8 10 8
1
⁄2 216 8
3
⁄4"-10UNC x 1
3
⁄4" – – 25 11.3
6" 150 2
3
⁄4 70
3
⁄8 10 9
1
⁄2 241 8
3
⁄4"-10UNC x 2" – – 27 12.2
8" 200 3
1
⁄2 89
5
⁄8 16 11
3
⁄4 298 8
3
⁄4"-10UNC x 2
1
⁄8" – – 40 18.1
10" 250 3
1
⁄2 89
5
⁄8 16 14
1
⁄4 362 12
7
⁄8"-9UNC x 2
1
⁄4" – – 63 28.6
12" 300 4
1
⁄4 108
5
⁄8 16 17 432 12
7
⁄8"-9UNC x 2
1
⁄4"
1
⁄4 x 1 6 x 25 107 48.5
SEATING TORQUE
Buna-N, EPDM, Viton
Size Normal Conditions
in. mm WET/DRY
2" 50 134/214
2
1
⁄2" 65 190/289
3" 80 250/387
4" 100 390/644
5" 600/959
6" 150 907/1,542
8" 200 1,697/2,919
10" 250 2,500/4,857
12" 300 3,300/7,071
CV RATING
(Full Open)
Size CV Rating
in. mm
2" 50 135
2
1
⁄2" 65 220
3" 80 302
4" 100 600
5" 1,022
6" 150 1,579
8" 200 3,136
10" 250 5,340
12" 300 8,250
†
Weights are for valves with aluminum bronze discs and 10-position lever handles.
Refer to Watts’ folder F-CDBF for butterfly valve weights with gear actuators, or consult factory.
2" through 12"
A
B(CL)
C
D
E
F
G
I
P
H
Dia.
J
Across
ats
▼
▼
45°
Dimensions – Weights
How to Order Series BF
Materials
ES-LFBF-03-121-45_4G 1412 © 2014 Watts
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
A Watts Water Technologies Company
(1 pages)
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