Chlorine rate valve M 3531 C

Products

Capacity from 12 gCl2/h  to 15 kg Cl2/h

  • 4 –20 mA proportional control input
  • V-notch precision rate valve
  • Modbus Communication
  • High quality stepper motor
  • 5-POINT valve calibration
  • Led indication of the valve position
  • MANUAL or AUTOMATIC control
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General about chlorine rate valve

Electronically controlled motor driven rate valve is designed for accurate feed of chlorine gas and other technical gases into water.

This chlorine control valve is made of high quality materials, resistant to high concentrations of aggressive gases. Built-in seals are made of fluorinated hydrocarbons (FKM, PTFE), materials resistant to aggressive gases.

Manual control over integrated keyboard and full manual control over top hand wheel; automatic control over current or voltage input and via digital communications.

 

Chlorine rate valve

Chlorine rate valve

Fault signal is visible through the user interface or via a digital output.

The non-linearity of the valve can be repaired by software in five points.

Built-in security feature: In case of power loss the valve has a battery backup that closes or opens the valve. It also allows completely mechanical handling in case of power loss.

Dosing range

up to 15 kg/h

Gas type

Cl2, CO2, SO2, NH3

Specifications

Accuracy
5%
Resolution
0,5% capacity
Weight
2.90 kg

Connections

kg/h
Vacuum line (max. 15m)
2
d8/d10 - 3/8''
4
d8/d10 - 3/8''
10
d12/d16 - 5/8''
15
d12/d16 - 5/8''

Specifications

Weight
3.10 kg
Operating range
20 : 1
Accuracy
Within 4% of flow

For larger vacuum lines, see table: Chlorine vacuum line size requirements

Electrical data

Valve power supply
24 VDC nominal, 20 - 30 VDC
Maximum consumption
6 W

Analog input

Current
0 .. 4 – 20 mA (internal resistance 100 Ω )
Voltage
0 .. 2 – 10 V (internal resistance 100 KΩ )
Function
Valve position = Analog input value

Digital input

Electrical function
Internal supply digital input
Maximum voltage
24 V
Maximum current
1 mA
Signal “1” at 10 V
Signal “0” at 4 V
Function
Contact normally closed = Valve in operation, Contact open = Valve failure

Analog output

Current
4 – 20 mA
Voltage
22 VDC
Function
Analog output value = Valve position

Analog output value < 3,6 mA or >21,6 mA indicating valve failure

Digital output

Electrical function
Potential-free contact
Maximum voltage
30 VDC or 24 VAC +10%
Maximum current
200 mA
Function
Valve failure (contact is opened or closed via software)

Documents

BUL00063_Motor_driven_rate_valve_M_3531_C.pdf
Chlorine_vacuum_line_size_requirements.pdf
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