Pentair AUTOTROL MAGNUM 742 - Technical specifications

Installer Manual Magnum 742-762 - Description
14 / 106 Ref. MKT-IM-012 / C - 25.10.2019
3.2. Technical specifications
Design specifications/ratings
Valve body ..........................................................................PPO Glass fiber reinforced
O-rings...............................................................................EPDM
Weight (valve with controller) ...........................................10.6 kg
Recommended operating pressure ..................................1.72 - 6.9 bar
Water temperature............................................................1 - 38°C
Ambient temperature........................................................2 - 50°C
Flow rates Magnum Cv (valve only)
Service at 1.03 bar drop.....................................................17.3 m
3
/h
Backwash at 1.72 bar drop................................................20.2 m
3
/h
Service ...............................................................................Kv = 17 m
3
/h (Cv = 19.5 gpm)
Backwash...........................................................................Kv = 15.4 m
3
/h (Cv = 17.8 gpm)
Flow rates Magnum IT (valve only)
Service at 1.03 bar drop.....................................................18.2 m
3
/h
Backwash at 1.72 bar drop................................................20.2 m
3
/h
Service ...............................................................................Kv = 17.94 m
3
/h (Cv = 20.74 gpm)
Backwash...........................................................................Kv = 15.4 m
3
/h (Cv = 17.8 gpm)
Valve connections
Tank Adapter Thread.........................................................4" 8 UN
Inlet/Outlet Threads ..........................................................1.5" Connections NPT or BSPT, Female,
CPVC
Drain line*..........................................................................1 ½" Connections for NPT or BSPT, Female,
CPVC
Brine line ...........................................................................¾" NPT
Riser tube [Ø].....................................................................1 ½" O.D.
Riser installation ...............................................................Above top of tank 16 mm ± 3 mm (⅝ ± ⅛")
Pilot drain and auxiliary hydraulic output......................... .........................6.4 mm (¼") tube fitting
* Valve installed drain flow controls available (1.14 - 9.08 m
3
/h). If higher backwash flow is needed, an external flow control
will be required.
Electrical
Controller Operating Voltage ............................................12 VAC (requires use of Pentair Water
supplied transformer)
Input Supply Frequency.....................................................50 or 60 Hz
Motor Input Voltage ...........................................................12 VAC
Controller Power Consumption ........................................3 W average
Protection rating................................................................IP23