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Variable Primary Pressure Flow Controller(Not subject to supply pressure variations)
MODEL 2204 SERIES |
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Model 2204 Variable Primary Pressure Flow Controller is a control valve that always keeps flows at a constant rate under a given constant level of secondary pressure (outlet pressure) even when the primary pressure (inlet pressure) fluctuates. The built-in precision needle valve accurately controls flows to the set flow rate,including ultra-minute flows.
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| Features |
- Stable flow control
A non-rotary needle valve composed of high-precision components ensures smooth control of even ultra-minute flows.
- Not subject to supply pressure fluctuations
Flows are protected from being affected by primary pressure(supply pressure) fluctuations,under a given constant
- Cleanliness ensured
All the high-precision components are super-cleaned before assembly so that the product can be safely used even on high-sensitivity instruments for analysis for which cleanliness is essential.
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| Applications |
- Physical and chemical appliances
- Control of the second-stage operation of pumps
- Various instruments for analysis
- Environmental instrumentation systems
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| Standard Specifications |
| Flow rating |
10ml/min to 10l/min |
| Control accuracy |
Within ±2% of the set flow value to pressure fluctuations in a range of 0.3 MPa when the primary pressure (input pressure) varies between 0.07 Mpa and 0.8 Mpa. |
| Regulating screw rotating speed |
12-13 turns |
| Max. operating pressure |
0.8MPa
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| Max. working temperature |
(A)70°C
(SS)120°C |
| Materials of parts exposed to fluids |
A:Al,Brass,Duracon,NBR
SS:SUS316,Teflon,Viton |
| Connection end |
Rc1/8 |
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| Optional Items |
- IN side filter joint Model 2300
- Connection joint
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| Notes |
- You may specify the fluid,pressure and flow rate of your equipment for our selection of the type that most suits your requirements.Use the values on Table of Rated Flow Ranges for reference purposes only.
- At least an inlet/outlet pressure difference of 0.07 MPa is required.
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