A continuous pressure type with intermediate vent. Particularly recommended for boiler feed lines to prevent backflow should supply pressure fall below system pressure. Primary check valve features rubber-to-rubber seating for tight closure. Leakage is vented to atmosphere should the downstream check foul. Brass body with stainless steel and durable rubber working parts. Female union connections. Maximum temp. 225°F. No. 9D Female union inlet and outlet connections.
- BACKFLOW PREVENTION: The Watts Brass Dual Check Valve Backflow Preventer is designed to prevent the reverse flow of hot or cold polluted water from entering into the potable water supply in smaller supply lines.
- COMPREHENSIVE FEATURES: This 3/4" preventer is equipped with everything needed to efficiently prevent the backflow of water: NPT female inlet and outlet connections, stainless steel internal parts, and an integral strainer. It also includes two durable, tight-seating rubber check valves: a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing and a secondary check valve utilizing a rubber disc-to-metal seating.
- DURABLE DESIGN: Suitable for use on both hot or cold water, this preventer is constructed with a highly durable forged brass body, and its compact construction ensures it can be easily handled during installation. It has a broad operating temperature range of 33° F (0.5° C) to 250° F (121° C), a minimum required pressure of 25 psi (1.7 bar) and a maximum of 175 psi (12.1 bar).
- VERSATILE APPLICATIONS: Engineered for smaller supply lines, this versatile preventer can be used under continuous pressure and is particularly suited for laboratory equipment, processing tanks, sterilizers, dairy equipment, and similar applications.
- EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.
- BACKFLOW PREVENTION: The Watts Brass Dual Check Valve Backflow Preventer is designed to prevent the reverse flow of hot or cold polluted water from entering into the potable water supply in smaller supply lines.
- COMPREHENSIVE FEATURES: This 3/4" preventer is equipped with everything needed to efficiently prevent the backflow of water: NPT female inlet and outlet connections, stainless steel internal parts, and an integral strainer. It also includes two durable, tight-seating rubber check valves: a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing and a secondary check valve utilizing a rubber disc-to-metal seating.
- DURABLE DESIGN: Suitable for use on both hot or cold water, this preventer is constructed with a highly durable forged brass body, and its compact construction ensures it can be easily handled during installation. It has a broad operating temperature range of 33° F (0.5° C) to 250° F (121° C), a minimum required pressure of 25 psi (1.7 bar) and a maximum of 175 psi (12.1 bar).
- VERSATILE APPLICATIONS: Engineered for smaller supply lines, this versatile preventer can be used under continuous pressure and is particularly suited for laboratory equipment, processing tanks, sterilizers, dairy equipment, and similar applications.
- EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.
