PARKER PORTER 201-DKASVZDG Flow Controller Fluid H2

( Brand: Parker Porter ), ( Manufacturer Part Number: 201-DKASVZDG ), ( Part Type: Flow Fluid Controller )

Review PARKER PORTER Mass Flow Controller Fluid H2

The **Parker Porter 201-DKASVZDG Flow Controller** is a high-performance, precision-engineered pneumatic flow control valve designed for demanding industrial applications where consistent, reliable fluid regulation is critical. Part of Parker Hannifin s renowned **Porter Series 200**, this compact yet robust flow controller is engineered to deliver exceptional accuracy, repeatability, and durability in controlling the flow of compressed air or gases in automated systems. Its **direct-acting, pilot-operated design** ensures rapid response times and minimal pressure drop, making it ideal for applications requiring precise metering, sequencing, or proportional control. The unit features a **stainless steel construction** with corrosion-resistant components, ensuring long-term reliability even in harsh environments, while its **sealed internal mechanism** protects against contamination from external debris or moisture, maintaining optimal performance over extended operational cycles.

This flow controller operates on a **fail-safe principle**, meaning it defaults to a predetermined state (either fully open or closed) in the event of a power failure or pilot signal loss, enhancing system safety in critical applications. The **adjustable flow rate** is achieved through a precision-bored orifice and a robust spool valve mechanism, allowing for fine-tuning to match specific process requirements whether for blow-off systems, pneumatic clamping, or fluid metering. The **quick-disconnect fittings** (compatible with Parker s **SAE or metric thread standards**) facilitate easy installation and maintenance, reducing downtime while ensuring a secure, leak-free connection. Additionally, the **low-power pilot operation** minimizes energy consumption, making it cost-effective for continuous-use applications.

Built to withstand pressures up to **150 psi (10 bar)**, the 201-DKASVZDG is suitable for a wide range of industries, including automotive assembly, packaging, material handling, and medical equipment manufacturing. Its **compact footprint** allows for integration into space-constrained control panels, while its **modular design** enables easy customization with optional accessories such as **solenoid pilots, proportional control modules, or digital interfaces** for advanced automation. Whether used in a standalone configuration or as part of a larger pneumatic system, this flow controller exemplifies Parker s commitment to **precision engineering, reliability, and adaptability**, ensuring consistent performance in even the most exacting industrial environments.

### **Pros and Cons of buying a Parker Porter 201-DKASVZDG Flow Controller (for H Applications)**

1. **High Precision and Reliability** The Parker Porter 201 series is known for its accurate flow control, making it suitable for applications requiring consistent hydrogen (H ) delivery, such as fuel cells, gas analysis, or laboratory setups.

2. **Wide Flow Range** The unit can handle a broad range of flow rates, allowing flexibility in different experimental or industrial applications.

3. **Durability and Build Quality** Parker is a reputable manufacturer with a strong reputation for robust, long-lasting components, reducing the risk of frequent failures.

4. **Compatibility with Hydrogen** Designed for gas applications, including hydrogen, it minimizes the risk of leaks or contamination, which is critical for safety and performance in H systems.

5. **Modular and Adjustable** The flow controller can be fine-tuned for specific applications, and some models allow for easy integration into existing gas delivery systems.

6. **Low Maintenance** Compared to mechanical regulators, electronic flow controllers like this one require minimal upkeep, reducing downtime.

7. **Safety Features** Many Parker flow controllers include over-pressure protection and stable control mechanisms, which are essential when working with hydrogen.

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1. **High Initial Cost** Electronic mass flow controllers (MFCs) like this one are more expensive than mechanical regulators, which may be a barrier for budget-conscious buyers.

2. **Complexity in Operation** Requires calibration and proper setup, which may necessitate technical expertise, especially for users unfamiliar with electronic flow control.

3. **Power Dependency** Unlike mechanical regulators, this unit requires a power source, which could be a limitation in portable or off-grid applications.

4. **Potential for Calibration Drift** Over time, sensors may require recalibration to maintain accuracy, adding to long-term maintenance costs.

5. **Limited Lifespan of Internal Components** High-precision sensors and electronics may degrade faster than mechanical parts, potentially requiring replacements.

6. **Compatibility Issues** If the unit is not properly matched with the gas supply or downstream equipment, it may not perform optimally.

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### **Conclusion**

The **Parker Porter 201-DKASVZDG flow controller** is a high-quality, precise solution for hydrogen flow control, ideal for applications where accuracy, reliability, and safety are critical. Its advanced features make it well-suited for research, industrial, or fuel cell-related uses. However, its cost, complexity, and maintenance requirements may not justify its purchase for simple or low-budget applications where a mechanical regulator would suffice.

### **Recommendation**

- You require **precise, stable hydrogen flow control** in a laboratory, fuel cell testing, or industrial gas delivery system.

- You can afford the **higher upfront cost** and have access to **technical support** for setup and maintenance.

- Your application demands **low leakage rates, repeatability, and long-term reliability**.

- You are working with **low-budget or simple gas applications** where a mechanical regulator would be sufficient.

- You lack **technical expertise** to properly calibrate and maintain the unit.

- Your setup is **portable or lacks a power source**, making electronic control impractical.

For most **high-precision hydrogen applications**, this flow controller is a strong choice, but weigh the cost against the benefits of your specific use case. If possible, consult with a gas supply specialist to ensure compatibility with your system.

Details:

What you see in the picture is what get nothing more less. If fact it may have unknown flaws and deficiencies. The results of all tests that are performed disclosed in the ad. We wont leave you stuck without a solution.

Daniel Rudely, San Diego, CA, USA. Parker Porter 201-DKASVZDG Mass Flow Controller - Fluid: H2, We gladly ship Worldwide Scroll down for more Photos and details, In good working condition, as shown in actual photos. The item has only been tested to the extent described in condition/testing notes.

part #: 201 prices

• $135.00-$1095.00

specifications pneumativalv:

• brand: Parker Porter
• mpn: 201-dkasvzdg
• part type: Flow Fluid Controller

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• Pump Flow Controllers > Flow Controllers Meters > Mass Flow Controllers

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• quantity: 1
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• started: February 12, 2026
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