3 Way Auto Return Electric Ball Valve

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The 3 way L port BAS series electrically actuated ball valves automatically returns the valve to its original position when de-energised. The compact design works in the same way as a solenoid valve and can be considered ‘fail safe’ once the storage capacitor has charged up (approx 60 seconds). Unlike a solenoid valve, the 3 way series BAS can take full pressure in either direction, eliminating the need for a check valve. It has a wide range of industry applications namely; dirty or contaminated fluids, viscous fluids, some corrosive fluids (check compatibility), gravity feed applications, anti water hammer slow close function, IP67 corrosive resistant enclosure, low power/solar/battery operated circuits (12-24v AC/DC).  Threads conform to ISO 7.1 Sealing Threads.

Model Size (BSP) Size (mm) Media Pressure Media Temperature
BASM3L4B-EL-T 1/2" 12 0 to 10 Bar 2°C to 90°C
BASM3L5B-EL-T 3/4" 15 0 to 10 Bar 2°C to 90°C

Body Material 316 S.S
Ball Material 316 S.S
Seat Material PTFE with Viton O’Ring
Enclosure Thermoplastic IP65
Current 5 Watt Max (45 ~ 100 mA)
Current Draw at rest (open or close position) 20 Milli Amp
Capacitor Charge Time 60 Seconds
Open/Close Time 5 Seconds
Mounting Any Attitude

3 way capacitor return electric ball valve dimensions

DN D1/D2 d L1/L2 L3 L4/L5/L6 L H1 H2 F Weight (kg)
15 G1/2” 12 33.5 54.5 15 67 20.3 21.25 27 0.37
20 G3/4” 15 38.5 64 15 77 20.3 23.25 31 0.52

All dimensions in mm unless shown otherwise. 


Part Material
Actuator Housing ABS
Valve Body 316 Stainless Steel
Valve Ball 316 Stainless Steel
Stem 403 Stainless Steel
Seal Viton

Size 1/2" to 3/4" BSP
Body 316 Stainless Steel
Pressure  10 BAR
Temperature 0°C to 90°C
Actuation Capacitor Return Low voltage

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