Specification
For Commercial, Industrial and Agricultural Applications
ES-HDV
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ST-500
Series 375, 500,
750, 1000, 1250,
1500 and 2000
Heavy Duty Mechanical Float
Valves (with Threaded or
Non-Threaded Outlets)
Sizes:
3
⁄8" to 2"
Series 375, 500, 750, 1000, 1250, 1500 and 2000 Heavy Duty
Mechanical Float Valves are used in commercial, industrial, and
agricultural applications for controlling high capacity water flow.
This series is ideal for use in air conditioning, refrigeration, and irri-
gation systems. These connectors can be tank wall-mounted. All
valves in the series have bronze body construction with machine
flanges on the inlet side (sizes 1" to 2" have female NPT pipe
threaded inlet connections), and male straight-pipe threaded for
locknut on the outlet side. The connectors have serrated arms
for easy adjustment of water level, bronze long and short arms,
replaceable seals, and no-jam single lever action.
Features
• Pipe-threaded for pipe connections and
straight-pipe threaded for locknut
• Machined flange for support against tank wall
• All bronze bodies
• Serrated arms for quick easy adjustment of water level
• High tensile manganese bronze long and short arms
• No jam single lever action
• Replaceable seals
Pressure
Maximum Working Pressure: 165psi (11.4 bar)
Maximum Working Temperature: 180°F (82°C)
Materials
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
ITEM QTY. DESCRIPTION MATERIAL
1 1 Body Bronze
2 1 Plunger Brass
3 1 Long arm Bronze
4 1 Short arm Bronze
5 1 Plunger tip Buna-N
6 1 Leather ring –
7 1 Thumb screw Brass
8 1 Cotter pin Stainless Steel
The information contained herein is not intended to replace the full
product installation and safety information available or the experience
of a trained product installer. You are required to thoroughly read all
installation instructions and product safety information before begin-
ning the installation of this product.
NOTICE