Heating Watts Combo Pressure Valves | Bd911, 1/2″ Combination Bronze Dial Set Fill Valve & Backflow Preventer (Npt X Npt)

All Bronze Body Construction Union 1/2″ Npt Inlet X 1/2″ Npt Outlet

Series Bd911 Combination Fill Valve And Backflow Preventer Consists Of A Model 9D Backflow Preventer And Model Bd1156F Feed Water Pressure Regulator In One Pre-Assembled Unit. This Valve Is A High Capacity Valve Designed For Use On Boiler Feed Lines To Provide Make-Up Water To The Boiler And Prevent Backflow When Supply Pressure Fails Below System Pressure And Incorporates A Unique Push-Button Fast Fill Engagement With Auto-Stop That Prevents Over-Pressurization.

Features

• Pre-Assembled For Ease Of Installation
• Push Button Fast Fill With Auto-Stop To Prevent Systemover-Pressurization
• Dial Indicator Eliminates Need For Pressure Gauge
• Same Lay Length As Watts 911
• High Capacity Fill Valve For Quick System Filling And Purging

Specifications
A Combination Bronze Dial Set Fill Valve And Backflow Preventershall Be Installed On The Boiler Feed Line To Provide Make-Upwater To The Boiler. The Valve Shall Contain A Watts Regulatormodel 9D Backflow Preventer And Model Bd1156 Dial Set Feedwater Pressure Regulator. The Combination Fill Valve And Backflowpreventer Shall Be A Watts Series Bd911.

Pressure – Temperaturemaximum Temperature: 212°F (100°C)Maximum Working Pressure: 100Psi (6.9 Bars)Adjustment Range: 8-21Psi (55-145 Kpa) With 25Psi (172.4Kpa) Auto-Stop Fast Fillfactory Set At 15Psi (103.4 Kpa)Dial Indicator +/- 2 Psi