Specification Sheet

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: 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
• Approved by the Foundation for Cross-Connection Control
and Hydraulic Research at The University of Southern
California (FCCCHR-USC)
(Excluding ‘N’ Pattern – 10"‘Z’, Pattern – 6" and 10")
• AWWA C511-97
A
D
C (open)
G
H
J
I
P
957RPDA, 957NRPDA, 957ZRPDA
M
(**BFG & OSY Only)B64.41047
** **
M
H
G
J
I
P
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 30
3
⁄4 781 16
3
⁄8 416 6
1
⁄2 165 29
1
⁄16 738 21
1
⁄2 546 15
1
⁄2 393 8
13
⁄16 223 21
1
⁄4 540 13
3
⁄16 335 142 64 150 68
3 31
3
⁄4 806 18
7
⁄8 479 6
11
⁄16 170 30
1
⁄4 768 22
1
⁄4 565 17
1
⁄8 435 9
3
⁄16 233 23 584 14
1
⁄2 368 162 73 175 79
4 33
3
⁄4 857 22
3
⁄4 578 7 178 33 838 23
1
⁄2 597 18
1
⁄2 470 9
15
⁄16 252 26
1
⁄4 667 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
1
⁄4 845 23
3
⁄16 589 13
1
⁄16 332 32
1
⁄4 819 19 483 312 142 353 160
8 49
3
⁄4 1264 37
3
⁄4 959 9
11
⁄16 246 54
1
⁄8 1375 40
1
⁄8 1019 27
7
⁄16 697 15
11
⁄16 399 36
7
⁄8 937 21
3
⁄16 538 497 225 572
10 57
3
⁄4 1467 45
3
⁄4 1162 23
13
⁄16 605 8
3
⁄16 208 66 1676 49
1
⁄2 1257 32
1
⁄2 826 17
5
⁄16 440 20 508 721 327 781 354
957NRPDABFG, 957ZRPDABFG
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 23 584 15
1
⁄2 394 9
1
⁄2 241 19
3
⁄4 502 15
13
⁄16 402 81 37
3 34 864 24 610 16
5
⁄16 414 10
1
⁄16 256 21
1
⁄4 540 16
1
⁄8 410 84 38
4 35
5
⁄8 905 25
1
⁄2 648 17
3
⁄16 437 10
15
⁄16 279 23
1
⁄2 597 16
5
⁄8 422 101 46
6 46
1
⁄2 1181 35
1
⁄4 895 20
1
⁄2 521 13
1
⁄2 343 27
1
⁄4 692 19 483 174 79
Noryl
®
is a registered trademark of SABIC Innovative Plastics Holding BV.