1. Pneumatic Valves Hydraulics Pneumatics For Sale
  2. sku: 12281247927959603
  3. KING 75303122C06

KING 75303122C06 Area Rotameter Lph Port Flow Meter 0-20 1/4 In

75303122c06 King Variable Area Rotameter Flow Meter 0-20 Lph 1/4 In Port

( Brand: King ), ( Manufacturer Part Number: 75303122C06 ), ( Part Type: Area ), ( Flow Meter Type: Variable Area Flow Meter ), ( Port Diameter: 1/4 In ), ( Minimum Flow Rate: 0 Lph ), ( Maximum Flow Rate: 20 Lph )

Review KING Variable Area Rotameter Flow Meter 0-20 Lph 1/4 In Port

The **King 75303122C06 Area Rotameter Flow Meter (0-20 LPH, 1/4" Port)** is a precision-engineered, glass-tube flow meter designed to provide accurate and reliable measurement of liquid flow rates in a wide range of industrial, laboratory, and commercial applications. This rotameter operates on the principle of variable-area metering, where the flow rate is determined by the position of a floating element within a tapered glass tube. The floating element, typically made of durable materials like glass, ceramic, or plastic, rises or falls within the tube in direct proportion to the flow rate, creating a clear visual indication of the liquid s volumetric flow ranging from 0 to 20 liters per hour (LPH) in this model. The 1/4" port connection ensures compatibility with standard piping systems, making it ideal for applications where space efficiency and ease of installation are critical.

Constructed with a robust stainless steel or brass housing, the King 75303122C06 is built to withstand moderate pressure and temperature variations, ensuring long-term durability in demanding environments. The transparent glass tube allows for unobstructed viewing of the flow rate, eliminating the need for additional sensors or electronic interfaces, which simplifies installation and reduces maintenance requirements. The meter s compact design and lightweight construction make it well-suited for applications in HVAC systems, medical gas delivery, laboratory fluid control, irrigation systems, and other processes where precise, low-flow measurement is essential. Additionally, the rotameter s self-regulating nature ensures consistent accuracy across varying flow conditions, providing operators with immediate, real-time feedback without the need for calibration adjustments.

For enhanced safety and usability, this flow meter can be paired with optional accessories such as magnetic holders, mounting brackets, or pressure gauges, depending on the specific application requirements. The King brand s reputation for quality and engineering precision guarantees that this rotameter delivers consistent performance over extended periods, making it a dependable choice for professionals seeking both reliability and simplicity in flow measurement. Whether used in a controlled laboratory setting or integrated into a larger industrial process, the King 75303122C06 offers an efficient, cost-effective solution for monitoring and managing low-volume liquid flow with ease.

### **Pros and Cons of buying a King 75303122C06 Area Rotameter Flow Meter (0-20 LPH, 1/4 Port)**

#### **Pros:**

1. **Precision and Accuracy** Rotameters are known for providing reliable flow measurement with minimal drift, making them suitable for applications requiring consistent readings.

2. **Low Maintenance** These meters have few moving parts, reducing wear and tear over time. They typically only require occasional visual inspection for float alignment or scale calibration.

3. **Wide Range of Applications** The 0-20 LPH (liters per hour) range is ideal for low-flow applications such as laboratory gas delivery, small-scale liquid dispensing, or medical oxygen flow control.

4. **Visual Readout** The transparent tube allows for direct visual monitoring of flow without additional instrumentation, which is useful in field or lab settings.

5. **Compatibility with Common Fluids** The model is likely designed for gases or low-viscosity liquids (e.g., water, air, nitrogen, or medical gases), making it versatile for various uses.

6. **Compact and Portable** The 1/4-inch port size keeps the meter small and easy to integrate into existing systems or portable setups.

7. **Durable Construction** King Instruments is a reputable brand known for quality manufacturing, suggesting the meter will withstand normal operational stresses.

8. **Calibrated and Certified** Reputable suppliers often provide certified calibration certificates, ensuring accuracy within specified tolerances.

9. **Cost-Effective for Low-Flow Needs** For applications where high precision is needed but flow rates are low, this meter offers a balance between affordability and performance.

10. **Easy Installation** The straightforward design allows for quick mounting on pipes or tubing with minimal additional hardware.

---

#### **Cons:**

1. **Limited Flow Range** The 0-20 LPH range is narrow, meaning it may not be suitable for applications requiring higher flow rates. Upgrading to a larger model would be necessary for increased throughput.

2. **Pressure Drop** Rotameters introduce a pressure loss across the meter, which can be a concern in systems where minimal resistance is critical. The exact pressure drop depends on the fluid and flow rate but may require compensation in some designs.

3. **Temperature and Density Dependence** Flow readings are accurate only for the fluid and conditions specified (e.g., air at STP). Changes in temperature, pressure, or fluid density (e.g., humidified gases) can affect accuracy without correction.

4. **No Digital Output** Unlike electronic flow meters, this model provides only a mechanical/visual readout. If data logging or remote monitoring is required, an additional transducer or interface would be needed.

5. **Float Sensitivity to Contaminants** Particulate matter or debris in the fluid can cause the float to stick or misread, potentially requiring frequent cleaning or filter installation upstream.

6. **Limited Backpressure Tolerance** Some rotameters may struggle with high backpressure, leading to inaccurate readings or damage. The specific model s pressure rating should be verified for the intended application.

7. **Calibration Over Time** While low-maintenance, the float and tube may require recalibration if the meter is exposed to harsh conditions or if the fluid properties change significantly.

8. **Not Ideal for High-Precision Automation** For automated systems requiring precise control (e.g., industrial processes), a digital or mass flow meter may be more suitable despite higher cost.

9. **Supplier Dependence** Availability of spare parts or replacements may be limited depending on the supplier, potentially causing downtime if the meter fails.

10. **Potential for User Error** Misalignment of the float or incorrect fluid density assumptions can lead to inaccurate readings if the user does not follow proper setup procedures.

---

### **Conclusion**

The **King 75303122C06 area rotameter flow meter (0-20 LPH, 1/4 port)** is a **reliable, low-maintenance, and cost-effective solution** for applications requiring **precise, low-flow measurement** of gases or liquids. Its **visual readout, durability, and simplicity** make it well-suited for **laboratory, medical, or small-scale industrial use**, particularly where high accuracy is needed but automation is not critical.

However, its **narrow flow range, lack of digital output, and sensitivity to fluid conditions** may limit its use in **high-flow, automated, or harsh-environment applications**. If the meter is used within its specified parameters and maintained properly, it will perform well, but users should account for potential **calibration needs, pressure drop, and environmental factors**.

---

### **Recommendation**

**Buy this rotameter if:**

- You need a **simple, accurate, and low-cost flow meter** for **low-flow applications ( 20 LPH)**.

- Your application involves **gases or low-viscosity liquids** (e.g., air, water, medical oxygen).

- You require **direct visual monitoring** without additional instrumentation.

- The meter will be used in a **controlled environment** with minimal contaminants.

- You can **periodically verify calibration** and account for minor pressure drops.

**Avoid this rotameter if:**

- You require **higher flow rates** (consider a larger model or a different meter type).

- Your system demands **digital output, automation, or remote monitoring**.

- The fluid contains **high particulate matter** without proper filtration.

- You operate in **extreme temperatures or pressures** beyond the meter s specifications.

- Cost is not a concern, and you prefer **higher-end digital flow meters** for better precision and integration.

**Alternatives to Consider:**

- For **higher flow rates**, look for a **larger rotameter (e.g., 0-100 LPH or higher)** or a **variable-area meter with a wider range**.

- For **automated systems**, consider a **digital mass flow meter** or **ultrasonic flow meter** with electronic outputs.

- If **contaminants are a concern**, pair the rotameter with an **in-line filter** or choose a **different meter type** (e.g., turbine or Coriolis flow meter).

**Final Verdict:** This rotameter is a **solid choice for its intended purpose** and offers excellent value for low-flow measurement needs. Ensure compatibility with your specific fluid and system requirements before purchase.

Details:

King Variable Area Rotameter Flow Meter 0-20 LPH 1/4 in Port 75303122C06.

part #: 75303122c06 price

  • $39.99

specifications pneumativalv:

  • brand: King
  • mpn: 75303122c06
  • part type: Area
  • flow meter type: Variable Area Flow Meter
  • port diameter: 1/4 In
  • minimum flow rate: 0 Lph
  • maximum flow rate: 20 Lph

offer pneumativalv:

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

shipping pneumativalv:

  • cost: $9.42
  • carrier: USPS
  • transit: 6-12 Days
  • service: USPS Ground Advantage
  • class: Standard
  • type: Calculated

payments pneumativalv:

  • wallet: Apple-pay
  • credit card: Mastercard
  • other

general pneumativalv:

  • condition: Used
  • Pump Flow Controllers > Flow Controllers Meters > Flow Meters

seller pneumativalv:

  • city: Pawtucket, Rhode Island
  • rating: 100.0%
  • # reviews: 5

returns pneumativalv:

  • policy: No Returns
part type: area, flow meter type: variable area flow meter, port diameter: 1/4 in, minimum flow rate: 0 lph, maximum flow rate: 20 lph,
category: business & industrial > pump flow controllers > flow controllers meters > flow meters, sku: 12281247927959603,
King 75303122C06 Is Similar To:
pneumativalv logo
1 offer $39.99 USD
  • Used. Offer #1 priced at $39.99 + $9.42 shipping estimate = $49.41* total. King Variable Area Rotameter Flow Meter 0-20 LPH 1/4 in Port .+$9.42 shipping

Copyright © pneumativalv.com