User guide

Materials
• Chrome plated bronze valve head.
• Brass shaft with threaded end.
• Resilient seated shutoff.
Pressure - Temperature
Temperature Range: 33 º F - 140ºF (0.5º C - 60º C) continuous,
180º F (82 ºC) intermittent
Maximum Working Pressure: 175psi (12.06 bar)
3
⁄4" and 1" (20, 25mm)
kPa psi
241 35
207 30
172 25
138 20
103 15
69 10
34 5
00
5 10 15 20 25 30 35 40 45 gpm
19 38 57 76 95 114 133 152 171 lpm
5 (7.5) 15 fps
1.5 2.3 4.6 mps
Typical Installation
To Irrigation
System
Drain Port
or
Blow Down
1" (25mm)
Model 800M4QT
Dimensions
3
⁄8" (10mm)
3
⁄4" and 1" (20 and 25mm)
*
5"
(127mm)
3
⁄8"
(10mm)
1
3
⁄4"
(44mm)
2
3
⁄8"
(61mm)
Capacity
*Typical maximum system flow rate (7.5 feet/second)
ES-TWS 0633
© Watts Regulator Company, 2006
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
Backflow Prevention Products