Watts 774DCDA - Manual (Page 2)

Materials
All internal metal parts: 300 Series stainless steel, Main valve body: 300
Series stainless steel, Check assembly: Noryl
® Flange dimensions in accor-
dance with AWWA Class D.
Pressure - Temperature
Temperature Range: 33°F – 110°F (0.5°C – 43°C) continuous
Pressure Range: 175psi (12.1 bar)
Capacity
P
re
ss
u
re
D
ro
p
Flow
A
P
L
D
G
C
(Open)
2 1 ⁄
2
" (65mm)
Standards
AWWA C510, CSA B64.5
Approvals
(2 1 ⁄
2
" - 10" only)
(65 - 250mm)
SIZE (DN) DIMENSIONS WEIGHT
A C (OSY) D G L P w/Gates w/o Gates
in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs. lbs. kgs.
2 1 ⁄
2
65 38 965 16 3 ⁄
8
416 3 1 ⁄
2
89 10 250 22 559 12 1 ⁄
2
318 155 70 68 31
3 80 38 965 18 7 ⁄
8
479 3 3 ⁄
4
95 10 250 22 559 13 330 230 104 70 32
4 100 40 1016 22 3 ⁄
4
578 4 1 ⁄
2
114 10 250 22 559 14 1 ⁄
2
368 240 109 73 33
6 150 48 1 ⁄ 2 1232 30 1 ⁄ 8 765 5 1 ⁄ 2 140 15 381 27 1 ⁄ 2 699 15 1 ⁄ 2 394 390 177 120 54
8 200 52 1 ⁄
2
1334 37 3 ⁄
4
959 6 3 ⁄
4
171 15 381 29 1 ⁄
2
749 18 1 ⁄
4
464 572 259 180 82
10 250 55 1 ⁄
2
1410 45 3 ⁄
4
1162 8 200 15 381 29 1 ⁄
2
749 19 1 ⁄
2
495 774 351 190 86
12 300 57 1 ⁄
2
1461 53 1 ⁄
8
1349 9 1 ⁄
2
241 15 381 29 1 ⁄
2
749 21 533 1044 474 220 100
kPa psi
83 12
69 10
55 8
41 6
28 4
14 2
0 25 50 100 150 200 250 300 350 400 450 500 525 gpm
95 190 380 570 760 950 1140 1330 1520 1710 1900 1995 lpm
15 fps
4.6 mps
* **
P
re
ss
u
re
D
ro
p
Flow
3" (80mm) kPa psi
83 12
69 10
55 8
41 6
28 4
14 2
0 25 50 100 150 200 250 300 350 400 450 500 550 600 gpm
95 190 380 570 760 950 1140 1330 1520 1710 1900 2090 2280 lpm
15 fps
4.6 mps
* **
P
re
ss
u
re
D
ro
p
Flow
4" (100mm)
kPa psi
103 15
83 12
62 9
41 6
21 3
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 gpm
171 380 570 760 950 1140 1330 1520 1170 1900 2090 2280 270 2660 2850 lpm
5 10 15 fps
1.5 3 4.6 mps
*
P
re
ss
u
re
D
ro
p
Flow
6" (150mm)
kPa psi
103 15
83 12
62 9
41 6
21 3
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 gpm
380 760 1140 1520 1900 2280 2660 3040 3420 3800 4180 4560 4940 5320 5700 lpm
5 10 15 fps
1.5 3 4.6 mps
*
P
re
ss
u
re
D
ro
p
Flow
8" (200mm) kPa psi
83 12
62 9
41 6
21 3
0 250 500 750 1000 1250 1500 1750 2000 2250 2500 gpm
950 1900 2850 3800 4750 5700 6650 7600 8550 9500 lpm
5 10 15 fps
1.5 3 4.6 mps
*
P
re
ss
u
re
D
ro
p
Flow
10" (250mm)
kPa psi
103 15
83 12
62 9
41 6
21 3
0 250 500 750 1000 1250 1500 1750 2000 2250 2500 3000 3500 gpm
950 1900 2850 3800 4750 5700 6650 7600 8550 9500 11400 13300 lpm
5 10 15 fps
1.5 3 4.6 mps
0 500 1000 1500 2000 2500 3000 3500 4000 4500 gpm
1900 3800 5700 7600 9500 11400 13300 15200 17100 lpm
5 10 fps
1.5 3 mps
* **
P
re
ss
u
re
D
ro
p
Flow
12" (300mm) kPa psi
110 16
97 14
83 12
69 10
55 8
41 6
28 4
14 2
**
**
**
Flow curves as tested by Underwriters Laboratory per UL 1469, 1996 * Rated flow **UL Tested
1048 (OSY only)
ES-774DCDA 1128 © 2011 Watts
USA: No. Andover, MA • Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Burlington, ON • Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.wattscanada.ca
A Watts Water Technologies Company
Noryl ® is a registered trademark of
SABIC Innovative Plastics™.