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AVF234S Valve Actuator With Spring Return & SUT

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SAUTER
£979.86 (inc VAT) £816.55 (exc VAT)
SKU:
AVF234SF132_AVF234SF232
Weight:
5.60 KGS
Availability:
5 days lead time

 Product Description

How energy efficiency is improved
Automatic adaptation to valve, precision activation and high energy efficiency with minimal operating noise

Features

- Activation of 2-way and 3-way valves of the VQD/BQD, VQE/BQE, VUG/BUG, VUP, VUS/BUS and V6R/B6R series
- For controllers with switching (2- and 3-point) and continuous output (0...10 V, 4...20 mA)
- Spring return moves to end position in the event of a power failure/interruption or when a limit controller is activated
- Stepping motor with SAUTER Universal Technology (SUT) electronic control unit and electronic, force-dependent cut-off
- Simple assembly with valve; spindle is automatically connected after control voltage is applied (patented system)
- Automatic detection of applied control signal (constant or switched); indicated by two LEDs
- Coding switches for selecting characteristic and running time
- Type of characteristic (linear/quadratic/equal-percentage) can be set on the actuator
- Automatic adaptation to the stroke of the valve (min. valve stroke 8 mm, max. valve stroke 49 mm). The measured stroke is saved and is not lost even in the event of a power failure
- Direction of operation can be selected via screw terminals when making the electrical connection
- Crank handle for external manual adjustment with motor cut-off and as trigger for a re-initialisation
- Numerous adapters enable the unit to be fitted onto non-SAUTER valves
- Power supply 230 V with module or direct connection for 24 V~ or 24 V=; continuous activation also admissible with 230 V
- Maintenance-free gear unit made of sintered steel; gearbox base-plate made of steel
- Spring pack and mounting column made of stainless steel; mounting bracket made of cast light alloy for valve fitting
- Electrical connections (max. 2.5 mm²) with screw terminals
- Three pre-scored cable inlets for M20 × 1.5 (2×) and M16 × 1.5
- Fitting vertically upright to horizontal, not suspended

Technical Details

Power Supply
Power supply 24 V~ ±20%, 50...60 Hz
Power supply 24 V= ±15%
Power supply 230 V~ ±15% (with accessories)
Power consumption* 24 V~/24 V=
10 W/20 VA
230 V~ (with accessories)
13 W/28 VA
Parameters
Running time 2/4/6 s/mm
Running time of spring** 15...30 s
Actuating power 2000 N
Response time for 3-point 200 ms
Number of spring returns >40 000
Parameters - Positioner
Control signal 1 0...10 V, Ri = 100 kΩ
Control signal 2 4...20 mA, Ri = 50 Ω
Positional feedback 0...10 V 0...10 V; load > 2.5 kΩ
Starting point U0 0 or 10 V
Control span ΔU 10 V
Switching range Xsh 300 mV
Ambient Conditions
Admissible ambient temperature –10...55 °C
Admissible ambient humidity < 95% rh, no condensation
Temperature of medium Max. 130 °C (180 °C or 240 °C with accessories)

*Choose transformers for this value, otherwise malfunctions may occur
**Return time equates to a stroke of 14...40 mm and does not depend on the set running time

Overview

Type Stroke Weight Direction of operation of spring
AVF234SF132 14...40 mm 5.6 kg Spindle retracted
AVF234SF232 0...40 mm 5.6 kg Spindle extended

AVF234SF132: Valve normally closed (NC) with: VQD/BQD, VQE/BQE, VUG/BUG, BUS; valve normally open (NO) with: VUS, VUP
AVF234SF232: Valve normally open (NO) with: VQD/BQD, VQE/BQE, VUG/BUG, BUS; valve normally closed (NC) with: VUS, VUP

Downloads

Datasheet
Fitting Instruction

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