Available models, Dimensions — weight materials, Pressure — temperature – Watts LF957ZRPDA User Manual
Page 2: 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
Materials
Housing & Sleeve: 304 (Schedule 40) Stainless Steel
Elastomers: EPDM, Silicone and Buna ‘N’
Torsion Spring Checks: Noryl
®
, Stainless Steel
Check Discs: Reversible Silicone or EPDM
Test Cocks: Lead Free Silicon Copper Alloy Body Nickel Plated
(Only Center TC)
Pins & Fasteners: 300 Series Stainless Steel
Springs: Stainless Steel
Pressure — Temperature
Temperature Range: 33°F – 110°F (0.5°C – 43°C)
Maximum Working Pressure: 175psi (12.1 bar)
Approvals
M
H
G
J
I
P
A
D
C (open)
G
H
J
I
P
LF957RPDAOSY
LF957RPDABFG
M
1047
B64.4
(BFG & OSY only)
sIze
DIMensIons
WeIGHT
G
H
I
J
M
P
957RPDABFG
in.
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
2
1
⁄
2
32
1
⁄
2
826
23
1
⁄
2
597
15
1
⁄
2
394
9
1
⁄
2
241
21
13
⁄
16
555
15
13
⁄
16
402
81
37
3
34
864
24
1
⁄
2
622
16
5
⁄
16
414
10
1
⁄
16
256
23
1
⁄
8
587
16
1
⁄
8
410
84
38
4
35
5
⁄
8
905
26
660
17
3
⁄
16
437
10
15
⁄
16
279
24
15
⁄
16
634
16
5
⁄
8
422
101
46
6
46
1
⁄
2
1181
35
12
⁄
16
908
20
1
⁄
2
521
13
1
⁄
2
343
28
1
⁄
4
718
19
483
174
79
sIze
DIMensIons
WeIGHT
A
C (OSY)
D
G
H
I
J
M
P
957RPDA
957NRPDA
in.
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
lbs.
kgs.
2
1
⁄
2
31
787
16
3
⁄
8
416
6
1
⁄
2
165 29
1
⁄
16
738
22
559
15
1
⁄
2
393
8
13
⁄
16
223 21
9
⁄
16
548 13
3
⁄
16
335
142
64
150
68
3
31
11
⁄
16
805
18
7
⁄
8
479
6
11
⁄
16
170
30
1
⁄
4
768
22
3
⁄
4
578
17
1
⁄
8
435
9
3
⁄
16
233
23
1
⁄
8
587
14
1
⁄
2
368
162
73
175
79
4
33
11
⁄
16
856
22
3
⁄
4
578
7
178
33
838
24
610
18
1
⁄
2
470
9
15
⁄
16
252
26
1
⁄
2
673 15
3
⁄
16
386
178
81
201
91
6
43
1
⁄
2
1105 30
1
⁄
8
765
8
1
⁄
2
216
44
3
⁄
4
1137 33
3
⁄
4
857 23
3
⁄
16
589 13
1
⁄
16
332
32
3
⁄
4
832
19
483
312
142
353
160
8
50
1270 37
3
⁄
4
959
9
11
⁄
16
246
54
1
⁄
8
1375 40
5
⁄
8
1032 27
7
⁄
16
697 15
11
⁄
16
399
37
1
⁄
8
943 21
3
⁄
16
538
497
225
572
259
10
57
1
⁄
2
1460 45
3
⁄
4
1162 11
3
⁄
16
285
66
1676
50
1270 32
1
⁄
2
826 17
5
⁄
16
440
46
3
⁄
8
1178
24
610
797
362
964
437
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®
is a registered trademark of SABIC Innovative Plastics
™
.