Top Page > Product Information > Variable Flow Meter(Rotameter) > Purge Flowmeter with Needle Valve(for Scientific Instrumentation System)MODEL RK1650 SERIES
Variable Flow Meter(Rotameter)
- Purge Flowmeter with Needle Valve(for Scientific Instrumentation System)
MODEL RK1650 SERIES - The compact purge rotameter products for scientific instrumentation
The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1650 SERIES is a small variable area flow meter combined with a selection of needle valves, with focus on low-cost, compactness and low pressure loss.
KOFLOC Variable Area Flow Meter with Needle Valve MODEL RK1650 SERIES
Quick Review
• KOFLOC RK1650 SERIES Compact Purge Variable Area Flowmeter
The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1650 SERIES is a small device especially suited for use as purge flowmeter or with scientific instrumentation. The new redesigned MODEL RK1650 SERIES retains all the advantages of MODEL RK1600 SERIES, but in an all-new design package.
• Wide flow range coverage
The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1650 SERIES comes in 4 sizes of 84, 104, 124 and 154 mm that cover flow ranges of 1, 2, 3, 5, 10, 15 and 20 l/min. A selection of 4 different types of needle valves is available to match most requirements.
• Low pressure loss
The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1650 SERIES is optimized to minimize pressure loss, for low supply pressure applications.
• Low-price
The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1650 SERIES is small, simple and low in price. They can easily be accommodated into many scientific instrumentation.
• KOFLOC Dependability
KOFLOC has 60 years of experience in manufacturing precision flow instruments. KOFLOC products, both standard and off-catalog custom items are well received throughout Japan as the name that manifests confidence. KOFLOC, the fluid expert, is the name professionals trust in precision control of minute flow.
• Steel/ Brass fittings
The fittings are available in either SUS316 stainless steel or brass with respective O-rings of Viton® for SUS316 and NBR for brass fittings. The flow tube is made of Pyrex® and is enclose in a protective cover of acrylic resin.
• Tri-flat & rib-guide flow-tubes
KOFLOC leads the industry in tri-flat flow-tube (for flows between 5 ml/min to 500 ml/min) production with superior precision. The rib-guide flow-tubes are used for medium range flows between 1 l/min and 50 l/min.
The KOFLOC Compact Purge Flow Meter with Needle Valve MODEL RK1650 SERIES can only be used for the following gases.
Medium (gases): Actual gas calibration is available for the gas listed
Air, Argon: Ar, Carbon dioxide: CO2, Helium: He, Hydrogen: H2, Nitrogen: N2, Oxygen: O2
N2 equivalent conversion factor (CF) is used for other gases.
Contact KOFLOC for the availability of actual gas calibration.
Customization and Optional services
• Rc 1/4 connection
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Features
♦ Compact
♦ Low-cost
♦ Low pressure loss
♦ Outstanding repeatability and stability
♦ Numerous variants plus a choice of 4 grades of needle valves
TOP
♦ Low-cost
♦ Low pressure loss
♦ Outstanding repeatability and stability
♦ Numerous variants plus a choice of 4 grades of needle valves
TOP
Applications
Standard Specifications
| Fluids | Air,N2,O2,H2,He,Ar,and CO2 (Calibration by actual gas) For other gases,consultation is necessary regarding whether conversion conditions or calibration by actual gas is to be used. | |
|---|---|---|
| Flow range(Full scale) | 1L,2L,3L,5L,10L,15L,20L/MIN | |
| Accuracy | FS±5%(Measurement point) | |
| Proof pressure | 0.8MPa for 5L/MIN or less 0.5MPa for 10 L/MIN or more | |
| Available scale | 10:1 | |
| - | ||
| Materials | S | BS |
| Body block and some other components | SUS304 SUS303 | Brass |
| Tapered tube | Pyrex | |
| Packing | Viton | NBR |
| Float | Pyrex,SUS316 | |
| Protective cover | Acrylic resin | |
| (Heat resistance) | 120°C | 70°C |
| Connection end | Rc1/8(Standard);Rc1/4(Optional) | |
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