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  3. ENDRESS HAUSER 72W40-SK0AA1NAB4AW

ENDRESS HAUSER 72W40-SK0AA1NAB4AW Prowirl Hart

72w40-sk0aa1nab4aw Endress Hauser Prowirl 72 Hart

( Brand: Endress Hauser ), ( Manufacturer Part Number: 72W40-SK0AA1NAB4AW ), ( Port Diameter: 1 1/2 ), ( Custom Bundle: No )

Review ENDRESS HAUSER Prowirl Hart

The **Endress Hauser Prowirl 72 W40-SK0AA1NAB4AW** is a high-performance, advanced magnetic-inductive flowmeter designed for precise and reliable measurement of liquid flows in industrial applications. Part of the renowned **Prowirl 72** series, this device combines cutting-edge technology with robust engineering to deliver exceptional accuracy, durability, and versatility across a wide range of process industries. The **W40** variant is specifically configured with a **Hart communication protocol**, enabling seamless integration with existing SCADA systems, PLCs, or field devices, while the **SK0AA1NAB4AW** designation identifies a tailored version optimized for specific installation requirements, such as flange connections, material compatibility, and environmental resilience.

This flowmeter operates on the principle of **electromagnetic induction**, where a magnetic field is applied across the process pipe, inducing a voltage proportional to the velocity of conductive fluids passing through. The **Prowirl 72** series excels in handling aggressive, viscous, or abrasive liquids, including chemicals, wastewater, and slurries, thanks to its **ceramic or metal liner options** and **titanium or stainless steel electrodes**, which ensure long-term corrosion resistance and minimal maintenance. The **Hart communication interface** allows for bidirectional data exchange, enabling real-time monitoring of flow rates, totalization, and diagnostic information, while also supporting advanced features like **two-wire 4-20 mA signaling** for compatibility with standard industrial control systems.

The **W40** model is particularly well-suited for applications requiring **high precision and repeatability**, making it ideal for industries such as **pharmaceuticals, food and beverage, water treatment, and chemical processing**. Its **compact and modular design** allows for easy installation in existing pipelines, with options for **flanged or clamp-on mounting**, reducing downtime and installation complexity. The **self-diagnostic capabilities** of the Prowirl 72 series further enhance reliability by alerting operators to potential issues such as electrode fouling, magnetic field drift, or communication errors, thereby minimizing unplanned shutdowns.

Additionally, the **Prowirl 72** is engineered for **extreme environmental conditions**, with IP68 ingress protection ensuring operation in wet or dusty environments, while its **wide temperature range** accommodates both high and low-process temperatures. The **Hart protocol** not only facilitates easy integration with existing infrastructure but also supports **device configuration and parameterization** directly from the field, reducing the need for manual adjustments and improving operational efficiency. Whether deployed in a critical production line or a demanding utility application, the **Endress Hauser Prowirl 72 W40-SK0AA1NAB4AW** delivers unmatched performance, ensuring accurate flow measurement with minimal maintenance and maximum uptime.

### **Pros and Cons of buying a Endress Hauser 72W40-SK0AA1NAB4AW ProWirl 72 Hart**

#### **Pros:**

1. **High Precision and Reliability** The ProWirl 72 is a well-regarded magnetic flow meter known for its accuracy in measuring liquid flow, particularly in industrial applications. It is designed to handle demanding conditions with minimal drift over time.

2. **Wide Range of Applications** Suitable for various industries, including chemical processing, water treatment, food and beverage, and pharmaceuticals. It can measure clean liquids, slurries, and corrosive fluids, depending on the material selection.

3. **Durable Construction** Built with robust materials such as stainless steel (e.g., 1.4404/316Ti) and ceramic components, ensuring long-term durability in harsh environments. The Hart communication protocol adds to its reliability in industrial settings.

4. **Hart Communication Protocol** The inclusion of the Hart protocol allows for easy integration with existing SCADA systems, enabling remote monitoring, calibration, and diagnostics. This reduces downtime and improves maintenance efficiency.

5. **Low Maintenance Requirements** Magnetic flow meters generally require minimal maintenance compared to other flow measurement technologies, such as turbine or ultrasonic meters. The absence of moving parts reduces wear and tear.

6. **Good Repeatability** Once properly installed and calibrated, the ProWirl 72 provides consistent and repeatable measurements, which is critical for process control and quality assurance.

7. **Compatibility with Common Fluids** Works well with conductive liquids (conductivity > 5 S/cm), which is a common requirement in many industrial processes.

8. **Modular Design** The unit can be configured with different sensors, transmitters, and materials to suit specific application needs, offering flexibility in system design.

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#### **Cons:**

1. **Limited to Conductive Liquids** Unlike ultrasonic or turbine meters, the ProWirl 72 cannot measure non-conductive fluids (e.g., hydrocarbons, gases, or pure water with very low conductivity). This restricts its use in certain applications.

2. **Higher Initial Cost** Compared to some alternative flow meters (e.g., mechanical or ultrasonic), the Endress Hauser ProWirl 72 is a premium product, which may increase upfront capital expenditure.

3. **Installation Sensitivity** Proper installation is critical for accuracy. Issues such as poor pipe preparation, incorrect orientation, or presence of ferromagnetic materials near the sensor can lead to measurement errors.

4. **Limited Pressure and Temperature Ratings** While the ProWirl 72 is robust, its pressure and temperature ratings may not be suitable for extreme conditions (e.g., high-pressure steam or cryogenic applications). Special versions may be required for such cases.

5. **Potential for Signal Interference** In environments with strong electromagnetic fields or nearby power lines, the magnetic flow meter s signal integrity could be compromised, leading to inaccurate readings.

6. **Calibration Dependency** Like all flow meters, the ProWirl 72 requires periodic calibration to maintain accuracy. Failure to calibrate can result in drift over time.

7. **Limited Availability of Spare Parts** Depending on the region, finding replacement parts or service technicians for Endress Hauser equipment may be challenging compared to more widely used brands.

8. **Not Ideal for Gases or Steam** Magnetic flow meters are strictly for liquids, so they cannot be used for gas or steam applications without additional equipment.

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### **Conclusion:**

The **Endress Hauser 72W40-SK0AA1NAB4AW ProWirl 72 Hart** is a high-quality, reliable magnetic flow meter well-suited for industrial applications requiring precise liquid flow measurement in conductive fluids. Its durability, Hart communication compatibility, and low maintenance needs make it a strong choice for facilities prioritizing accuracy and integration with existing systems.

However, its limitations such as the inability to measure non-conductive fluids, higher cost, and installation sensitivity may make it less ideal for certain applications. If your process involves conductive liquids and you require a robust, long-lasting solution with advanced communication features, this meter is an excellent investment. For applications involving gases, non-conductive liquids, or extreme conditions, alternative technologies (e.g., ultrasonic, turbine, or Coriolis meters) may be more appropriate.

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### **Recommendation:** **Buy the Endress Hauser ProWirl 72 Hart if:**

- You are measuring **conductive liquids** (e.g., water, chemicals, slurries).

- Your application requires **high accuracy, reliability, and integration** with SCADA/Hart systems.

- You operate in an **industrial environment** where durability and low maintenance are priorities.

- You can justify the **higher upfront cost** based on long-term performance and reduced downtime.

**Consider alternatives if:**

- You need to measure **non-conductive fluids, gases, or steam**.

- Your budget is constrained, and a lower-cost meter (e.g., ultrasonic or mechanical) would suffice.

- Your application involves **extreme pressure/temperature conditions** not covered by standard ProWirl 72 models.

- You require **broader compatibility** with different fluid types and easier availability of spare parts.

For most **industrial liquid flow applications with conductive media**, the ProWirl 72 Hart is a **strong, well-supported choice** that delivers superior performance over its lifespan. Ensure proper installation and calibration to maximize its benefits.

Details:

Endress Hauser Prowirl 72 HART 1/2 Does not power up 019.

part #: 72w40sk0aa1nab4aw price

  • $100.00

specifications pneumativalv:

  • brand: Endress Hauser
  • mpn: 72w40-sk0aa1nab4aw
  • port diameter: 1 1/2
  • custom bundle: No

payments pneumativalv:

  • credit card: Mastercard
  • wallet: Apple-pay
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general pneumativalv:

  • condition: For parts or not working
  • Pump Flow Controllers > Flow Controllers Meters > Flow Sensors

shipping pneumativalv:

  • service: FedEx Ground Economy
  • type: Fixed
  • transit: 4-10 Days
  • cost: $0.00
  • class: Economy
  • carrier: FedEx

offer pneumativalv:

  • options: Ship-to-home
  • best offers: True
  • started: February 24, 2026
  • quantity: 1
  • availability: In Stock
  • sold: 0

returns pneumativalv:

  • policy: No Returns

seller pneumativalv:

  • rating: 100.0%
  • city: Farmington, New Mexico
  • # reviews: 98
port diameter: 1 1/2, custom bundle: no,
category: business & industrial > pump flow controllers > flow controllers meters > flow sensors, sku: 11860816997673752,
Endress Hauser 72W40-SK0AA1NAB4AW Is Similar To:
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2 offers $100.00–$100.00 USD
  • Used. Offer #1 priced at $100.00 + $0.00 shipping estimate = $100.00* total. Endress+Hauser Prowirl 72 HART 1 1/2" (014).FREE SHIPPING
  • Used. Offer #2 priced at $100.00 + $0.00 shipping estimate = $100.00* total. Endress+Hauser Prowirl 72 HART 1 1/2" (020).FREE SHIPPING

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