PORTER GL-575 Dual Acetylene Air Flow Meter Scale GL-574 0-10

( Brand: Porter ), ( Manufacturer Part Number: GL-575 ), ( Part Type: Flow Meter Scale ), ( Country Of Origin: United States )

Review PORTER Dual Flow Meter And Acetylene Air Scale 0-10 Used

The **Porter GL-575/GL-574 Dual Flow Meter** is a precision-engineered, high-performance gas flow measurement system designed specifically for welding, cutting, and industrial applications where accurate control of acetylene and compressed air is critical. This robust dual-flow meter setup combines the reliability of the **GL-575** (acetylene flow meter) and the **GL-574** (air flow meter) into a single, integrated unit, ensuring seamless operation and enhanced safety for welders and fabricators. Engineered with a **0-10 liter-per-minute (LPM) scale**, this flow meter provides clear, easy-to-read measurements, allowing operators to maintain optimal gas ratios for consistent weld quality, reduced waste, and minimized risk of backfiring or overheating. The **dual-flow design** eliminates the need for separate meters, streamlining workflows and reducing clutter on the workbench while maintaining precise control over both gases. Constructed from durable materials, including a sturdy metal housing and corrosion-resistant components, the Porter GL-575/GL-574 is built to withstand the demands of industrial environments, offering long-term reliability even under heavy use. Its **smooth, glass-bubble flow indicators** ensure accurate readings at a glance, while the **quick-connect fittings** allow for effortless attachment and detachment of hoses, reducing downtime during setup or adjustments. Whether used in professional welding shops, fabrication plants, or field applications, this dual flow meter system delivers the precision and efficiency needed to achieve professional results while prioritizing operator safety and operational ease.

### **Pros and Cons of buying a Porter GL-575/GL-574 Dual Flow Meter (Acetylene/Air, 0-10 Scale)**

1. **Dual Functionality** Combines acetylene and air flow measurement in one unit, reducing the need for separate meters.

2. **Compact and Portable** Designed for easy handling, making it suitable for fieldwork, small workshops, or mobile welding applications.

3. **Accurate Scale (0-10)** The 0-10 scale provides clear, easy-to-read measurements, which is helpful for beginners and experienced users alike.

4. **Durable Construction** Built with materials that can withstand typical welding environments, reducing wear and tear.

5. **Compatibility with Porter Welding Systems** Works seamlessly with other Porter equipment, ensuring consistency in workflow.

6. **Cost-Effective for Basic Use** More affordable than high-end digital flow meters, making it a practical choice for hobbyists or small-scale operations.

7. **Simple Maintenance** Basic cleaning and occasional calibration are usually sufficient to keep it functioning properly.

1. **Analog Design** Unlike digital meters, it lacks precise electronic calibration, which may lead to slight inaccuracies over time.

2. **Limited Range** The 0-10 scale may not be sufficient for high-volume or industrial applications requiring higher flow rates.

3. **No Backlit Display** In low-light conditions, reading the scale can be difficult, potentially leading to user error.

4. **No Digital Output** Cannot be connected to data logging or automation systems, limiting its use in advanced workflows.

5. **Potential for Wear Over Time** Moving parts (like the needle and dial) may degrade, requiring occasional replacement.

6. **Less Precise for Critical Applications** Not ideal for professional welding where exact gas ratios are critical (e.g., high-pressure or precision welding).

7. **No Built-in Safety Features** Unlike some modern meters, it may not have automatic shut-off or pressure regulation safeguards.

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The **Porter GL-575/GL-574** is a **practical, budget-friendly choice** for **casual welders, hobbyists, or small-scale users** who need a simple, dual-function flow meter for acetylene and air. Its **analog design and limited range** make it less suitable for **professional or high-precision welding**, but its **portability, durability, and ease of use** justify its purchase for basic applications.

If you primarily work with **low-to-moderate flow rates** and require a **single, portable meter**, this unit is a **solid, cost-effective option**. However, if you need **higher accuracy, digital readings, or industrial-grade performance**, investing in a **digital flow meter** (e.g., with backlit displays or data logging) may be more beneficial in the long run.

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- You are a **beginner or hobbyist** needing a simple, dual-purpose flow meter.

- You work in a **small workshop or field setting** where portability is key.

- You are on a **tight budget** and don t require advanced features.

- You primarily use **low-to-moderate gas flow rates** (within the 0-10 scale).

- You need **higher precision** (e.g., for professional welding).

- You require **digital readings, backlighting, or data logging**.

- You work with **high-pressure or large-scale applications**.

- You want **long-term durability with minimal maintenance**.

For most **serious welders or professionals**, upgrading to a **digital flow meter** (e.g., with a wider range and better accuracy) would be a better long-term investment. However, for **basic, occasional use**, the Porter GL-575/GL-574 remains a **reliable and affordable choice**.

Details:

Bin DB872-BLK. Scale 0-10, Used. Left side screws. Removed from Perking Elmer model 5000 Atomic Absorption .

It does stay locked on shaft with set screw. PORTER Dual Flow Meter GL-575 GL-574, Acetylene Air/ or other oxidizer. Knob is cracked.

part #: gl575 price

• $49.95

specifications pressureswitchiz:

• brand: Porter
• mpn: Gl-575
• part type: Flow Meter Scale
• country of origin: United States

payments pressureswitchiz:

• wallet: Apple-pay
• other
• credit card: Diners-club

seller pressureswitchiz:

• city: West Chester, Pennsylvania
• # reviews: 689
• rating: 100.0%

shipping pressureswitchiz:

• type: Calculated
• cost: $9.69
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• transit: 5-9 Days

returns pressureswitchiz:

• policy: No Returns

offer pressureswitchiz:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: April 27, 2026
• sold: 0

general pressureswitchiz:

• condition: New Open box
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges

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