Materials, Pressure — temperature, Approvals available models – Watts LF757NDCDA User Manual
Page 2: Dimensions — weight
Materials
Housing & Sleeve: 304 (Schedule 40) Stainless Steel
Elastomers: EPDM, Silicone and Buna-N
Tri-link Checks: Noryl
®
, Stainless Steel
Check Discs: Reversible Silicone or EPDM
Test Cocks: Lead Free* Bronze Body Nickel Plated
Pins & Fasteners: 300 Series Stainless Steel
Springs: Stainless Steel
Pressure — Temperature
Temperature Range: 33°F – 140°F (0.5°C – 60°C)
Maximum Working Pressure: 175psi (12.1 bar)
Approvals
Available Models
Suffix:
OSY –
UL/FM outside stem and yoke resilient
seated gate valves
BFG –
UL/FM grooved gear operated butterfly valves
with tamper switch
**OSY FxG – Flanged inlet gate connection and grooved outlet
gate connection
**OSY GxF – Grooved inlet gate connection and flanged outlet
gate connection
**OSY GxG – Grooved inlet gate connection and grooved outlet
gate connection
Available with grooved NRS gate valves - consult factory**
Post indicator plate and operating nut available - consult factory**
**Consult factory for dimensions
Dimensions — Weight
1048
B64.5
(BFG & OSY only)
H
A
I
J
G
P
C
D
A
D
C (open)
G
H
J
I
P
LF757DCDA , LF757NDCDA
LF757DCDABFG , LF757NDCDABFG
SIze
DImenSIonS
weIGHt
A
C (OSY)
D
G
H
I
J
P
LF757DCDA
LF757NDCDA
in.
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
lbs.
kgs.
2
1
⁄
2
30
1
⁄
2
775
16
3
⁄
8
416
3
1
⁄
2
89
29
1
⁄
16
738
21
1
⁄
2
546
15
1
⁄
2
393
8
13
⁄
16
223
13
3
⁄
16
335
139
63
147
67
3
31
3
⁄
8
797
18
7
⁄
8
479
3
11
⁄
16
94
30
1
⁄
4
768
22
1
⁄
4
565
17
1
⁄
8
435
9
3
⁄
16
233
14
1
⁄
2
368
159
72
172
78
4
33
1
⁄
2
851
22
3
⁄
4
578
4
102
33
838
23
1
⁄
2
597
18
1
⁄
2
470
9
15
⁄
16
252
15
3
⁄
16
386
175
79
198
90
6
44
1118
30
1
⁄
8
765
5
1
⁄
2
140
44
3
⁄
4
1137
33
3
⁄
4
857
23
3
⁄
16
589
13
1
⁄
16
332
19
483
309
140
350
159
8
50
1270
37
3
⁄
4
959
6
11
⁄
16
170
54
1
⁄
8
1375
40
5
⁄
8
1032
27
7
⁄
16
697
15
11
⁄
16
399
21
3
⁄
16
538
494
224
569
258
10
56
1
⁄
2
1435
45
3
⁄
4
1162
8
3
⁄
16
208
66
1676
50
1270
32
1
⁄
2
826
17
5
⁄
16
440
24
610
795
361
965
438
SIze
DImenSIonS
weIGHt
A
C
D
G
H
I
J
P
LF757DCDABFG LF757NDCDA BFG
in.
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
lbs.
kgs.
2
1
⁄
2
27
1
⁄
2
698
8
203
3
1
⁄
2
89
29
7
⁄
8
759
21
1
⁄
2
546
14
15
⁄
16
379
8
13
⁄
16
223
13
330
70
32
78
35
3
28
711
8
5
⁄
16
211
3
11
⁄
16
94
30
11
⁄
16
779
22
1
⁄
4
565
15
7
⁄
16
392
9
3
⁄
16
233
13
1
⁄
2
343
68
31
81
37
4
28
3
⁄
4
730
8
15
⁄
16
227
3
11
⁄
16
94
31
15
⁄
16
811
23
1
⁄
2
597
16
1
⁄
4
412
9
15
⁄
16
252
14
356
75
34
98
44
6
37
940
10
254
5
127
43
3
⁄
16
1097
33
3
⁄
4
857
19
11
⁄
16
500
13
1
⁄
16
332
14
1
⁄
2
368
131
59
171
78
8
43
1
⁄
2
1105
12
1
⁄
4
311
6
1
⁄
2
165
51
1
⁄
16
1297
40
5
⁄
8
1032
23
5
⁄
16
592
15
11
⁄
16
399
18
3
⁄
16
462
275
125
351
159
Noryl
®
is a registered trademark of General Electric Company.