188A
Anti-Siphon Vacuum Breaker Backflow Preventers for Irrigation Systems
Series 188A Anti-Siphon Vacuum Breaker Backflow Preventers for irrigation systems prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. They have a brass body construction with bronze internal trim, a chemical resistant silicone seat disc, and an atmospheric vent to prevent spilling. Maximum pressure is125 psi (8.6 bar).
Features
- Atmospheric vent closes to prevent spilling under all rates of flow
- Lightweight, durable "disc float" for closing atmospheric vent is suitable for temperatures up to 180° F (82° C)
- Chemical-resistant, silicone seat disc with high heat and water hammer shock resistance ensures tight seating
- Brass body with bronze internal trim
Literature
Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |