Full Product Manual

Heavy Duty Float Valves
1" - 2"
1000
3
⁄
8
" -
3
⁄
4
"
12 Series
Series 375, 500, 750, 1000, 1250,
1500 and 2000
(Heavy Duty Mechanical Float Valves with Threaded or
Non-Threaded Outlets)
Heavy Duty Mechanical Float Valves are used in commercial,
industrial, and agricultural applications for controlling high
capacity water flow and can be tank wall-mounted. It has a
bronze body construction with a machine flange on the
inlet side (sizes 1" to 2"/25 to 50mm) have female NPT
pipe threaded inlet connection), and male straight-pipe
threaded for locknut on the outlet side. It has serrated
arms for easy adjustment of water level, bronze long and
short arms, replaceable seals, and no-jam single lever
action. This series is ideal for use in air conditioning,
refrigeration, and irrigation systems.
Maximum Pressure: 165 psi (11.4 bar).
3
⁄
8
" -
3
⁄
4
"
500TO
For technical specifications refer to
ES-HDV on watts.com.
Standard Duty
Brass with threads on both ends.
(For other sizes consult factory.)
Standard Duty Float Valve
3
⁄
8
" - 1"
Threaded Outlet
ST500
1
1
⁄
4
" - 2"
Non-Threaded Outlet
ST1000