Overview
Low lead dual check valve backflow preventer is designed for
residential domestic water supply lines or commercial low-hazard
backflow applications. It prevents reverse flow of unsafe water into main
system water supply. The can occur due to pressure changes in the
distribution network that can can water flow in reverse, or backwards.
The two inline serviceable check valves prevent any contact between
the two systems, closing automatically when backflow conditions
occur.
The Caleffi 3048 series FlowShield™ DuC is certified to ASSE
1024 and CSA 64.5 by ICC-ES.
Specifications
- Body, retaining ring and lock nut: DZR low-lead brass CW724R-M
- Check valve: EPDM, PPO
- Spring: stainless steel
- O-rings: peroxide-cured EPDM
- Max. working pressure: 160 psi (11 bar)
- Operating temperature range: 32 to 180°F (0 to 82°C