This 3/8 in dual check valve backflow preventer with atmospheric port and strainer for carbonated beverage machines prevents the reverse flow of polluted water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It is designed for continuous or intermittent pressure applications and ideal for use on post mix carbonated beverage equipment and dispensing equipment for tea and coffee. This valve consists of stainless steel body construction, female NPT end connections, internal rubber components and an atmospheric vent and a wye pattern strainer. Includes an atmospheric port provides visual indication of failure of the second check.
WATTS® Backflow Preventer, Series: SD-3, 3/8 in Nominal, FNPT Connection, 150 psi, Stainless Steel Body, Lead-Free, 130 deg F, 4-1/2 in L
| Body Material | : | Stainless Steel |
| Connection Type | : | FNPT |
| Dimensions | : | 4-1/2 in L |
| Lead-Free/Contains Lead | : | Lead-Free |
| Nominal Size | : | 3/8 in |
| Pressure Rating | : | 150 psi |
| Series | : | SD-3 |
| Temperature Rating | : | 130 deg F |
- Can be installed vertically or horizontally
- Streamlined body design minimizes pressure loss and cavitation
Instruction/Installation Manual