2" through 12, Ab(c – Watts BF03-121 User Manual
Page 2
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(C
L
)
C
D
E
F
G
I
P
H
Dia.
J
Across
flats
▼
▼
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
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A Watts Water Technologies Company