Watts 994 - Manual (Page 2)

Dimensions — Weights
Standards
AWWA C511­92, CSA B64.5, UL Classified
Approvals
Approved by the Foundation for Cross Connection Control & Hydraulic
Research at the University of Southern California Sizes 2 1 ⁄
2
" – 6" (65 –
250mm)
Materials
All internal metal parts: 300 Series stainless steel
Main valve body: 300 Series stainless steel
Check assembly: Noryl ®
Flange dimension in accordance with AWWA Class D
Pressure – Temperature
Temperature Range: 33°F – 110°F (0.5°C – 43°C) continuous
Maximum Working Pressure: 175psi (12.1 bar)
Series 994 performance as established by an independent testing laboratory (1996 UL)
Air Gap Assembly
Horizontal Air Gap Fitting 2 1 ⁄
2
" – 10"
Model 994 AGK­P
2" (50mm)
Pipe Thread
D
C (open)
2 1 ⁄
2
" (65mm)
Pressure
Flow
* **
6" (150mm)
Flow
* **
3" (80mm)
Pressure
* **
8" (200mm)
* **
4" (100mm)
* ** 10" (250mm)
Flow
* **
Capacity
*Typical maximum flow rate (7.5 feet/sec.) **UL rated flow
G
M
L
A
Size (DN) DiMeNSiONS WeiGhT
A C (OSY) C (NRS) D G L M N P w/Gates w/o Gates
in. mm 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 37 940 16 3 ⁄
8
416 9 3 ⁄
8
238 10 1 ⁄
2
267 10 254 22 559 10 254 6 1 ⁄
2
165 7 178 148 67 60 27
3 80 38 965 18 7 ⁄
8
479 10 1 ⁄
4
260 10 1 ⁄
2
267 10 254 22 559 10 1 ⁄
8
257 7 178 7 1 ⁄
2
191 226 103 62 28
4 100 40 1016 22 3 ⁄
4
578 12 3 ⁄
16
310 10 1 ⁄
2
267 10 250 22 559 12 1 ⁄
8
308 8 1 ⁄
4
210 9 229 235 107 65 30
6 150 48 1 ⁄
2
1232 30 1 ⁄
8
765 16 406 11 1 ⁄
2
292 15 381 27 1 ⁄
2
699 18 1 ⁄
2
470 13 1 ⁄
2
343 11 279 380 172 110 50
8 200 52 1 ⁄
2
1334 37 3 ⁄
4
959 19 15 ⁄
16
506 12 1 ⁄
2
318 15 381 29 1 ⁄
2
749 21 5 ⁄
8
549 15 1 ⁄
2
394 13 1 ⁄
2
343 571 259 179 81
10 250 55 1 ⁄
2
1410 45 3 ⁄
4
1162 23 13 ⁄
16
605 12 1 ⁄
2
318 15 381 29 1 ⁄
2
749 26 660 18 1 ⁄
2
470 16 406 773 351 189 86
N
P
7" (175mm)
11 3 ⁄
4
"
(298mm)
Flow
Flow
0 100 200 300 400 500 600 gpm
380 760 1140 1520 1900 2280 lpm
7.5 15 fps
2.3 4.6 mps
0 100 200 300 400 500 600 gpm
380 760 1140 1520 1900 2280 lpm
7.5 15 fps
2.3 4.6 mps
0 100 200 300 400 500 600 700 gpm
380 760 1140 1520 1900 2280 2660 lpm
7.5 15 fps
2.3 4.6 mps
0 250 500 750 1000 1250 1500 gpm
950 1900 2090 3800 4750 5700 lpm
7.5 15 fps
2.3 4.6 mps
Flow
0 400 800 1200 1600 2000 2400 gpm
1520 3040 4560 6080 7600 9120 lpm
7.5 15 fps
2.3 4.6 mps
0 500 1000 1500 2000 2500 3000 gpm
0 1900 3800 5700 7600 9500 11400 lpm
7.5 15 fps
2.3 4.6 mps
kPa psi
145 21
124 18
103 15
83 12
62 9
41 6
21 3
Pressure
kPa psi
145 21
124 18
103 15
83 12
62 9
41 6
21 3
Pressure
kPa psi
138 20
124 18
110 16
96 14
83 12
69 10
55 8
Pressure
kPa psi
138 20
124 18
110 16
96 14
83 12
69 10
55 8
kPa psi
145 21
124 18
103 15
83 12
62 9
41 6
21 3
Pressure
kPa psi
145 21
124 18
103 15
83 12
62 9
41 6
21 3
1013 B64.5 (OSY only) (2 1 ⁄
2
" – 10", OSY only)
ES-994 1118 © 2011 Watts
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