American GURLEY Price 622A AA‑Type Water Current Meter Analog & Digital Style 0.2‑25ft/s Hydrological Velocity Meter
Product Spotlights
Product Description
The MilliFlow M32 is a piston-type flowmeter based on the positive displacement principle, consisting of four radial pistons driven sequentially by the fluid’s head pressure. The pistons are connected to a crankshaft, which is linked to a counter/pulse transmitter via a magnetic coupling.
| Item | Parameter |
|---|---|
| Country of Origin | Germany |
| Series | M Series |
| Tube Fitting | 12 mm |
| External Thread NPT | 3/8'' |
| Flange | DIN DN15 & DN25 / PN10/16/25; 1/2'' & 1'' ANSI Class150 / 300 RF; other flanges upon factory consultation |
| Body Material | AISI 316 |
| Bearing | Rulon, AISI 316 |
| Packing | Gylon (PTFE composite material) |
| Sealing Ring | PTFE, AISI 316 |
| Cylinder Liner | Carbon steel, Fe‑Al alloy |
| Liquid Medium Temperature | -15 to 75 °C |
| Ambient Temperature | -15 to 55 °C |
| Housing Pressure Rating | 25 bar, 35 bar, 100 bar |
| Counter Reading | Red pointer: 0.1 L; Main counter: 1 L |
| Minimum Starting Pressure | 0.05 bar (5 kPa) |
| Accuracy @2 mPa·s | Better than ±0.5% of flow value |
| Repeatability | ±0.05% |
| Viscosity | Standard up to 500 mPa·s |
| Installation | Horizontal process pipeline, meter facing top; wall‑mount bracket optional for PN35 bar model |
| Flow Direction | Standard left‑to‑right; rotate counter / pulse transmitter housing 180° for right‑to‑left flow |
| Inlet Requirement | Install filter for particle>0.05 mm at flow meter inlet |
| Pulse Transmitter‑Inductive | 1 or 2‑channel NAMUR passive proximity switch, IP55; PTB 99 ATEX 2219X, Cenelec EEx ia/ib IIC T6 intrinsic safety with suitable safety barrier |
| Pulse Transmitter‑Incremental | With pulse discriminator; Power 12‑35 VDC; Max frequency 5 kHz |
Performance Features
Designed specifically for harsh industrial environments and laboratory applications:
Accuracy in blending and dosing systems
Saves raw materials and ensures consistent product quality
Reliable, precision piston operation: handles a wide range of liquids
Measurement accuracy better than ±0.5% of the flow value: easy to install and operate
Handles liquids with viscosities up to 500 mPa·s (contact the manufacturer for higher viscosities): Offers a full range of display and signal processing instruments, including flow computers, as a one-stop supplier
NAMUR-compliant local totalizers and/or pulse transmitters for data processing
Pressure ratings up to 100 bar
Product Applications
Milliflow flowmeters are widely used in the process industry, pilot plants, and laboratories for flow measurement, dosing, and online mixing operations, such as:
- Fuel oil coloring, as well as the textile, paper, leather, and plastics industries;
- Paint regulation in automated spray booths;
- Mixing of additives and lubricants;
- Adding corrosion inhibitors to prevent oxidation of metal surfaces;
- Mixing of Freon and polyethylene;
- Adding additives to concrete mixers;
- Calibration of positive displacement pumps;
- Catalyst control in chemical reactors;
- Adding chemicals to boiler feedwater;
- Precise fluid filling of hydraulic shock absorbers;
- Coating audio and video tapes or photographic materials with emulsion adhesives;
- And many other applications.
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