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Kieback&Peter · Spring-return actuator
MF100-SR-L
MF100-SR-L is a 1000 N, 24 V spring-return actuator with a 30 mm stroke that extends on power failure, for RD65, RGD50 to RGD80 and RWG50 to RWG80 valves.
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Part numberMF100-SR-L
Datasheet, PDF
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- DHL, under 15 kg £13.50 ex VAT
- Technical support from the people who commission it
Specification
Electrical
- Power supply
- 24 V AC ±15%, 50/60 Hz, or 24 V DC ±15%
- Power consumption
- Rated 33 VA (AC), 23 W (DC); standby 2 to 5 VA (AC), 0.5 to 2 W (DC)
Environment
- Operating temperature
- 0 to 55 °C
- Humidity
- 0 to 95 % r.h., non-condensing
- Protection
- IP54 IP rating
- Protection class
- III (EN 60730)
Performance
- Control signal
- 0(2) to 10 V DC or 0(4) to 20 mA, invertible; 2-point; 3-point through the mode switch
- Output signal
- Position feedback 0(2) to 10 V DC or 0(4) to 20 mA, invertible
- Force
- 1000 N nominal
- Stroke
- Up to 30 mm, automatic stroke adaptation
- Fail-safe
- Spring return: spindle extends when power is lost
- Running time
- About 1 s/mm (as delivered) or 9 s/mm; emergency run about 1 s/mm
Physical
- Weight
- 3.95 kg
- Mounting
- Vertically above the valve up to horizontal
From the manufacturer's datasheet for MF100-SR-L.
Overview
The MF100-SR-L is the long-stroke version of the MF100-SR. It has 1000 N of force and up to 30 mm of stroke, for the larger valves RD65, RGD50 to RGD80, RWG50 to RWG80 and RGDE65 to RGDE80 (Z190 kit for RGDE). On power failure a return spring drives the spindle out, closing RGD two-way valves. Control is continuous 0(2) to 10 V or 0(4) to 20 mA, 2-point, or 3-point through the mode switch. Speed is about 1 s/mm or 9 s/mm and the stroke is learned automatically at initialisation. Position feedback is a voltage or current signal. The housing is IP54 and, without the auxiliary switch module, protection class III.