| Additional Information | : | Inline Pattern, Rubber Disc, Rubber Seat |
| Body Material | : | Brass |
| Configuration | : | Horizontal or Vertical |
| Connection Type | : | FNPT x Joint |
| Dimensions | : | 2-9/16 in L x 4-15/16 in W |
| Media | : | Water |
| Nominal Size | : | 1/2 in |
| Port Type | : | Atmospheric |
| Pressure Rating | : | 175 psi |
| Series | : | 9D Series |
| Temperature Rating | : | 33 to 250 deg F |
This 1/2 in dual check valve backflow preventer with atmospheric vent helps prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve 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. It consists of a brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves and FNPT inlet and outlet connections.
WATTS® Dual Check Valve Backflow Preventer With Intermediate Atmospheric Vent, 9D Series, 1/2 in Nominal, FNPT x Joint Connection, Horizontal or Vertical Configuration, Atmospheric Port, 175 psi Pressure, Media: Water, Brass Body, 33 to 250 deg F, Dimensions: 2-9/16 in L x 4-15/16 in W, Additional Information: Inline Pattern, Rubber Disc, Rubber Seat
- Forged brass body for durability
- Compact design
- Stainless steel internal parts
- Horizontal or vertical installation