WESA Catalogue 2024 EN

AUTOMATION WITH ELECTRIC ACTUATOR
852 BRASS BALL VALVE WITH ELECTRIC ACTUATOR SERIES SFR
TECHNICAL DATA Ball valve 852 EMERGENCY FUNCTION SPRING RETURN [FAIL SAFE]
Body: Brass CW617N nickel plated VOLTAGE 24V AC-230V AC | 24V DC-125V DC
Body cap:
Brass CW617N nickel plated
End connection: Threaded ends acc. to DIN EN 10226-1 DIN DVGW Drinking water approval
Ball with flushing hole: Brass CW617N hard chrome plated acc. to DIN EN 13828 | DVGW W570-1
Ball seat:
PTFE
Stem: Brass CW617N nickel plated Pressure rating up to max. 10 bar!
Stem packing: PTFE
Water temperature: 0°C up to +65°C pressure dependent
Water pressure rating: Max. 10 bar temperature dependent
TECHNICAL DATA ACTUATOR SFR2
Control voltage: 24V AC-230V AC
24V DC - 125V DC
Mode of operation: *OPEN* *CLOSE*
Emergency function: Powerless NC
Turning angle: 0°- 90°
Position indication: mechanical
Power consumption: 7,0 W in operation
3,5 W in rest position
Protection class: IP 54
Protection class: II isoliert
Medium temperature: -30°C up to +50°C
Operating time: 75 sec. | 90°
Spring return: 20 sec. | 90°
Manual override: Hand crank
Actuator connection: acc. to DIN EN ISO 5211
All measurements in millimeters.
ITEM RP DN TORQUE OPERATING TIME FAIL-SAFE TIME A B C L
SFR2 0852-03 3/8" 10 20 Nm 75 sec. | 90° 20 sec. | 90° 150 244 103 55
SFR2 0852-04 1/2" 15 20 Nm 75 sec. | 90° 20 sec. | 90° 152 244 103 69
SFR2 0852-05 3/4" 20 20 Nm 75 sec. | 90° 20 sec. | 90° 165 244 103 77
SFR2 0852-06 1" 25 20 Nm 75 sec. | 90° 20 sec. | 90° 168 244 103 89
SFR2 0852-07 1 1/4" 32 20 Nm 75 sec. | 90° 20 sec. | 90° 183 244 103 103
SFR2 0852-08 1 1/2" 40 20 Nm 75 sec. | 90° 20 sec. | 90° 191 244 103 114
SFR2 0852-09 2" 50 20 Nm 75 sec. | 90° 20 sec. | 90° 207 244 103 134
100 AUTOMATION ELECTRICALLY
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