Materials, Pressure — temperature, Approvals – Watts 757NDCDA User Manual
Page 2: Available models, Dimensions — weight

H
A
I
J
G
P
C
D
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: 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
A
D
C (open)
G
H
J
I
P
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
757DCDA , 757NDCDA
757DCDABFG , 757NDCDABFG
SIze (DN)
DImeNSIoNS
weIGHt
A
C (OSY)
D
G
H
I
J
P
757DCDA
757NDCDA
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
65 31 787 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 80 31
11
⁄
16
805 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
4 100 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
6 150 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
8 200 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
10 250 57
1
⁄
2
1461 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 (DN)
DImeNSIoNS
weIGHt
A C D G
H
I
J
P 757DCDABFG
757NDCDA BFG
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
65 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 80 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
4 100 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
6 150 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
8 200 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 SABIC Innovative Plastics Holding BV.
1048
B64.5
(BFG & OSY only)