ELSTER turbine flowmeter QA40 25 GI

**Technical Specifications of ELSTER Turbine Flowmeter QA40 25 GI**

**General Description:**

The ELSTER QA40 25 GI is a high-performance, industrial-grade turbine flowmeter designed for precise volumetric measurement of clean, low-viscosity, and non-aggressive liquids. It is engineered for applications requiring reliable and accurate flow data in processes such as custody transfer, batch control, and general industrial monitoring. The robust construction and choice of materials ensure long-term stability and suitability for demanding environments.

**Key Features:**

*   **Precision Measurement:** Utilizes a freely rotating turbine rotor with minimal bearing friction, providing high accuracy and repeatability across the specified flow range.

*   **Robust Construction:** Features a cast iron (GI - Grey Iron) housing, offering excellent mechanical strength and durability for industrial installations.

*   **Wide Flow Range:** Capable of measuring a broad span of flow rates with good linearity.

*   **Pulse Output:** Generates a frequency signal proportional to the flow rate via an integrated inductive pickup (sensor), facilitating easy integration with counters, totalizers, PLCs, or flow computers.

*   **Low Pressure Drop:** The hydraulic design minimizes energy loss in the pipeline.

*   **Bi-Directional Flow Capability:** Can measure flow in both directions (specific models/configurations; verification required).

**Detailed Technical Parameters:**

**Flowmeter Body:**

*   **Model:** QA40

*   **Line Size:** DN 25 (Nominal Diameter 25 mm or approximately 1 inch).

*   **Connection Type:** Flanged according to relevant standards (e.g., EN, DIN, ASME). Specific flange standard and pressure rating (e.g., PN16, PN40) must be selected upon ordering.

*   **Body Material:** Grey Cast Iron (GI).

**Performance Data:**

*   **Flow Range:** The exact minimum (Qmin) and maximum (Qmax) flow rates are defined in the manufacturer's calibration charts. Typical values for DN 25 are in the order of several m³/h (e.g., a possible range of ~0.6 to ~6 m³/h for water, refer to official datasheet for precise values).

*   **Accuracy:** Typically ±0.5% of reading or ±0.2% of reading over a specified flow range, in accordance with ISO 4064 Class 1 or similar standards. Final accuracy is as per factory calibration