Double Check Backflow Preventers(14 Products)
ZURN

Connection Type Temp. Range Height Backflow Preventer Type Mounting Orientation Overall Height Max. Pressure Body Material Price
FNPT x FNPT 0°F to +180°F 5" Double Check Assembly (Dc) Horizontal, Vertical 5" 175 psi Bronze £649.22
MNPT x MNPT +33°F to +180°F 5.562" Double Check Assembly (Dc) Horizontal, Vertical 5.56" 175 psi Bronze £1687.43
MNPT x MNPT +33°F to +180°F 5.438" Double Check Assembly (Dc) Horizontal, Vertical 5.44" 175 psi Bronze £1572.53
MNPT x MNPT +33°F to +180°F 4.312" Double Check Assembly (Dc) Horizontal, Vertical 4.31" 175 psi Bronze £649.22
MNPT x MNPT +33°F to +180°F 6.688" Double Check Assembly (Dc) Horizontal, Vertical 6.69" 175 psi Bronze £1901.99
MNPT x MNPT +33°F to +180°F 14 7/8" Double Check Assembly (Dc) Horizontal, Vertical 3 22/25" 175 psi Bronze £592.46
FNPT +33°F to +180°F 12 3/4" Double Check Detector Assembly (Dcda) Vertical 14 3/4" 175 psi Bronze £7843.33
FNPT x FNPT +33°F to +180°F 5 7/8" Double Check Assembly (Dc) Vertical 5.88" 175 psi Bronze £4126.72
FNPT +33°F to +180°F 10 3/8" Double Check Detector Assembly (Dcda) Horizontal, Vertical 10.38" 175 psi Bronze £4878.28
FNPT x FNPT +33°F to +180°F 5.688" Double Check Assembly (Dc) Horizontal 5.69" 175 psi Bronze £1600.05
FNPT - - - - - 175 psi - £395.75
Flange x Flange 0°F to +180°F 5" Double Check Assembly (Dc) Horizontal, Vertical 5" 175 psi Bronze £479.73
FNPT x FNPT 0°F to +180°F 4.062" Double Check Assembly (Dc) Horizontal 4.06" 175 psi Bronze £664.92
FNPT x FNPT 0°F to +180°F 4 1/4" Double Check Assembly (Dc) Horizontal, Vertical 4 1/4" 175 psi Bronze £716.51