The constant flow valve Model 2203 that permits constant flow and the precision flow meter RK1400 are combined in this flow meter to permit high-precision measurement and control of a wide flow range, from very small flow to medium flow, when the pressure on the load side (outlet side) changes.
- This flow meter ensures constant flow under constant pressure on its inlet side even if the load pressure loss on the outlet side changes.
- The measuring section of the flow meter is based on the high precision float type flow meter RK1400.
- The precision valve permits smooth and stable control of a very small flow.
- Constant pressure on the inlet side eliminates pressure errors of the float type flow meter, allowing a complete flow control system to be configured.
- Fluids: Air, N2, O2, H2, He, Ar, CO2 (Calibration with actual gas) For other gases, please consult us regarding conversion conditions or calibration with the actual gas to be used.
* Option: Scales for two types of fluids
- Flow range (FS): From 1–10 ML/MIN to 2–20 L/MIN (Refer to the Capacity Table on page 55.)
- Accuracy: FS ±2% (Measurement point) (under specified constant primary pressure)
- Control pressure: The pressure difference between inlet and outlet must be 0.05 MPa or more.
- Proof pressure: 5 L/MIN or less: 0.8 MPa 0 L/MIN or more: 0.5 Mpa
- Available scale: 10:1
- Body block
- SS: SUS316
- Al: Al, Brass b). Tapered tube: Pyrex®, glass c). Packing
- SS: FKM
- Al: NBR d). Float Pyrex, SUS316, glass e). Protective cover: Acrylic resin f). Heat resistance: MAX60℃ g). Connection : Rc 1/4 (Standard), Rc 1/8 (Optional)
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