Materials, Pressure — temperature, Capacity – Watts 912HP User Manual
Page 2: Dimensions — weights typical application

Materials
Body: Brass
Internal Metal Parts: Stainless steel
Pressure — Temperature
Suitable for supply pressures up to 400psi (27.5 bars) and
temperatures up to 180°F (82°C). May also be used at
temperatures up to 200°F (93°C) and water supply pressures
up to 250psi (17 bars).
Capacity
Performance as established by an independent testing laboratory.
*Typical maximum system flow rate (7.5 feet/sec.)
ES-912HP 0323
©Watts Regulator Company, 1997
Printed in U.S.A.
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.wattsreg.com
Canada: 5435 North Service Rd., Burlington, ONT L7L 5H7; www.wattscda.com
kPa psi
620 90
551 80
482 70
413 60
344 50
276 40
207 30
138 20
69 10
0
0
0
1
2
3
4
5
6
8
10
2
14
16
18
20
22 gpm
0
3.8 7.6 11
15
19
23
30
38
46
76
53
68
76
84 lpm
Performance Curve —
3
⁄
4
", 1" (20, 25mm)
Flow
Reduced Pr
essur
e Dr
op
SIZE (DN)
DIMENSIONS
WEIGHT
A
A
1
C
D
D
1
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs. kgs.
3
⁄
4
"
20
9
3
⁄
16
233 8
5
⁄
16
211
1
25
1
7
⁄
16
37
1
1
⁄
2
38
3 1.4
1
25
10
254 9
5
⁄
16
236
1
25
1
7
⁄
16
37
1
1
⁄
2
38
4 1.8
D
1
A
A
1
C
D
Dimensions — Weights
Typical Application
∆
P
High Pressure Hose Drop
(water supply)
Spray Nozzle
Elbow
Coupling
Hose
12" (305mm)
912HP
Drain
Line
IMPORTANT: INQUIRE WITH GOVERNING AUTHORITIES
FOR LOCAL INSTALLATION REQUIREMENTS