Resideo Braukmann BA300 Class 4 Backflow Preventer RPZ Valve - Cat 4 (Previously a Honeywell product)
2.1/2", 3" & 4" are a stock item. Order by 5pm for Sameday despatch.
The Resideo Braukmann BS300 backflow preventer is suitable for protection against back pressure, backflow and back siphonage for fluids upto category 4.
Flowstar, our parent company has an interesting article relating to Backflow Prevention in the Technical section on their website.
Sizes: 2.1/2", 3" & 4" on stock. 6" & 8" to order
Connections: Flanged PN10
Materials: Ductile iron housing, powder coated with polyamide Medium: Drinking
Water Inlet Water Pressure: 1.5 to 10 Barg Maximum water temperature: 60 degC
Notes: WRAS approved