Kytola 3631 Constant Flow Regulators
Model 3631.
The Kytola model 3631 constant-flow regulator is a diaphragm-operated differential-pressure controller, also known as a self-operated regulating valve or constant-flow valve.
Kytola 3631 automatically maintains gas or liquid flow at the required setpoint as pressure changes, for example when regulating gas flow under varying supply pressure and back pressure.
Model 3631 has an alarm function and can be used with a model L variable-area flow meter.
Main features.
• Maintains constant
liquid and gas flow despite pressure changes.
• Adjustable alarm.
• Excellent performance and stable operation.
• Aluminium or stainless steel construction.
• Can be used with L-type flow meters.
Application
• Water-removal instruments.
• Air-bubbler device for level measurement.
• Gas purge for differential-pressure measurement.
Flow range.
• Water: maximum 1.5 L/min.
• Air: maximum 60 NL/min at 6 barg.
• Calibrate the air scale for actual inlet pressure
and temperature.
Maximum differential pressure.
• 10 bar
Meter body
• AISI 316 or aluminium.
Connection
• BSP or NPT 1/4″.
| Technical specifications. | ||||||||
| Maximum flow. | 1.5 L/min water (60 NL/min air at 6 barg). | |||||||
| Maximum differential pressure. | 10 bar | |||||||
| Maximum static pressure. | 20 bar | |||||||
| Pressure drop at nominal flow. | 2 bar | |||||||
| Maximum temperature. | 75°C (*80°C) | |||||||
| Housing | Aluminium or AISI 316 stainless steel. | |||||||
| Spring | AISI 316 | |||||||
| Diaphragm | EPDM | |||||||
| Disk | Nylon (PA 6) (*PVDF) | |||||||
| Seal | Nitrile (*Viton, EPDM) | |||||||
| Mesh opening | PTFE | |||||||
| Connection | G 1/4" or NPT 1/4" | |||||||
| Weight | 0.6 kg (aluminum housing) or 1.2 kg (AISI 316 stainless-steel housing). | |||||||
| *) Customized on request. | ||||||||
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