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Watts Series 9D-1/2-M3 Dual Check Valves with Intermediate Atmospheric Vent prevent the reverse flow of hot or cold
polluted water from entering into the potable water supply. It consists of a brass body with stainless steel
internal parts, integral strainer, and two durable, tight-sealing, rubber check valves. Series 9D is designed
for continuous pressure, non-health hazard applications in smaller supply lines, such as laboratory equipment,
processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines.
Watts Boiler BackFlow Preventer - 9D-1/2-M3 Specs
- Material of Construction - Bronze
- Size - 1/2 Inch
- Connection - FNPT (Female National Pipe Thread) Union
- Temperature. Range - 33°F To 250°F
- Maximum Temperature - 250°F
- Maximum Pressure - 175 PSI
- Minimum Pressure - 25 PSI
- Width- 2-9/16 Inches
- Length - 4-1/16 Inches
- Standards - ASSE 1012, CSA B64.3 Certified
- UPC - 094700771070
- Weight - 1 pound
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