FLOMEC OM008S513-222 Flowmeter Gear 495 3/8

( Brand: Flomec ), ( Manufacturer Part Number: OM008S513-222 ), ( Battery Included: No ), ( Restricted Sale Item Code: A9 ), ( Weight: 4.1000 ), ( Depth: 3.900 ), ( Flow Meter Type: Oval Gear Flow Meter ), ( Type: Pump Controls Flowmeters ), ( Length: 5.100 ), ( Port Diameter: 3/8 In ), ( Features: Electronic Flowmeter, Product Type Oval Gear Flow Meter, Flowmete ), ( Country Of Origin: Au )

Review FLOMEC Flowmeter Oval Gear 495 Psi 3/8 Inch

The **Flomec OM008S513-222 Flowmeter Gear (495, 3/8")** is a precision-engineered mechanical flowmeter designed for reliable and accurate measurement of liquid flow rates in industrial, commercial, and municipal applications. Part of Flomec s robust line of positive displacement meters, this gear-type flowmeter operates on a simple yet highly effective principle, utilizing a pair of intermeshing gears to proportionally track and quantify fluid volume as it passes through the meter. The **495 series** is specifically engineered for medium to high flow applications, making it ideal for systems handling water, wastewater, chemicals, or other low-viscosity fluids where consistent and repeatable measurements are critical. Constructed with a **3/8-inch (9.5 mm) connection size**, this compact yet durable unit is well-suited for applications where space efficiency is a consideration, such as in plumbing, irrigation, or small-scale industrial processes.

The meter s **OM008S513-222 model** features a **stainless steel gear assembly**, ensuring corrosion resistance and longevity in harsh environments, while the **polypropylene or PVC housing** provides additional protection against chemical degradation and mechanical stress. The internal gear mechanism is designed for smooth operation with minimal friction, reducing wear and extending the meter s operational lifespan. This flowmeter is particularly well-suited for applications requiring **bidirectional flow measurement**, as its symmetrical gear design allows it to accurately register fluid movement in both forward and reverse directions without compromising performance. The **pulse output capability** (via optional electronic transmitter or mechanical register) makes it easily integrable into automated monitoring systems, enabling real-time data logging, billing, or process control.

Flomec s reputation for precision engineering is evident in the **OM008S513-222**, which delivers **high accuracy ( 1% of actual flow rate)** over a wide range of flow velocities, from low to high volumes. The meter s **self-lubricating design** eliminates the need for external lubricants, simplifying maintenance while ensuring consistent performance. Additionally, its **compact and lightweight construction** facilitates easy installation in tight spaces, whether in new systems or retrofitted setups. Whether used in **residential water metering, agricultural irrigation, or light industrial fluid handling**, this flowmeter provides a dependable solution for applications demanding both reliability and accuracy. Built to withstand the demands of continuous operation, the **Flomec OM008S513-222** is an excellent choice for professionals seeking a durable, low-maintenance, and high-performance flow measurement solution.

### **Pros and Cons of buying a Flomec OM008S513-222 (Flowmeter, Gear 495, 3/8")**

1. **Precision Measurement** The Flomec OM008S513-222 is designed for accurate flow measurement, making it suitable for applications requiring reliable data, such as industrial processes, HVAC systems, or water management.

2. **Durable Construction** Built with robust materials, this flowmeter is likely designed to withstand harsh conditions, including pressure fluctuations and temperature variations, ensuring long-term performance.

3. **Easy Installation** The 3/8" connection size suggests it is compact and may be easier to integrate into existing systems compared to larger models.

4. **Low Maintenance** Mechanical flowmeters like this one typically require minimal upkeep, reducing downtime and operational costs over time.

5. **Compatibility with Various Fluids** Depending on the material (likely stainless steel or PVC), it may be suitable for water, air, or other non-corrosive fluids.

6. **Cost-Effective for Small Applications** For low-to-medium flow rates, this model may offer a balance between accuracy and affordability compared to more expensive digital or ultrasonic alternatives.

7. **Backward Compatibility** If your system already uses Flomec or similar mechanical flowmeters, this unit may fit seamlessly without requiring additional adapters or modifications.

1. **Limited Digital Features** Unlike electronic or smart flowmeters, this mechanical model does not provide real-time digital readouts, logging, or remote monitoring, which may be a drawback for modern automation systems.

2. **Manual Reading Required** Users must physically check the dial or indicator, which can introduce human error and requires more frequent attention.

3. **Potential Wear Over Time** Mechanical components (e.g., gears, floats) may degrade with prolonged use, leading to reduced accuracy or failure if not properly maintained.

4. **Pressure Drop Considerations** Some mechanical flowmeters introduce a slight pressure loss, which could affect system efficiency, especially in high-flow applications.

5. **Limited Range** The 3/8" size and gear ratio (495) may restrict its use to smaller pipelines; larger systems may require a different model.

6. **No Built-In Calibration** Unlike electronic flowmeters, this unit may not have self-calibration features, requiring manual recalibration if accuracy drifts.

7. **Environmental Sensitivity** Exposure to extreme temperatures, vibrations, or contaminants (e.g., debris in water) could impair performance over time.

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### **Conclusion**

The **Flomec OM008S513-222** is a **reliable, low-maintenance mechanical flowmeter** well-suited for **small-scale, low-to-medium flow applications** where simplicity and durability are prioritized over advanced digital features. It excels in **cost-effective, analog measurement scenarios** but may fall short for **high-precision, automated, or large-scale systems** that require real-time data logging, remote monitoring, or high accuracy over extended periods.

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### **Recommendation**

- You need a **simple, durable, and cost-effective** solution for **small pipelines (3/8")** in applications like **HVAC, irrigation, or basic industrial processes**.

- Your system **does not require digital readouts or automation**, and manual checks are acceptable.

- You operate in a **low-vibration, clean-environment** where mechanical wear is minimized.

- You need **real-time data logging, remote monitoring, or integration with IoT/SCADA systems** (e.g., ultrasonic or turbine flowmeters).

- Your application involves **high-flow rates, corrosive fluids, or extreme temperatures**, which may require a more robust or electronic model.

- You require **higher precision or repeatability** over time, as mechanical wear could affect accuracy.

- You prefer **easier installation or maintenance** (e.g., clamp-on ultrasonic flowmeters eliminate pipe cuts).

**Final Verdict:** This is a **solid choice for basic, low-complexity flow measurement** but may not be ideal for advanced or large-scale applications. If budget and simplicity are key, it is a practical purchase; otherwise, explore electronic or smart flowmeter options.

Details:

O-Ring Material: Teflon encapsulated Vito O-Rings. An accuracy of 1% and 0.03% repeatability regardless viscosity changes make the OM Series a versatile meter. FLOMEC OM Series Meters are an extremely versatile flowmeter which accurately measures high and low viscosity fluids. With no flow conditioning required and a small footprint, the OM008S513-222 flowmeter allows for compact installation.

Body Material: 316L Stainless Steel. With a simple and reliable design concept using only two moving parts, they provide long service life minimised maintenance costs. Series: OM Oval Gear. Integral Options: Pulse Out.

This item has no accessories or instructions. As is in the images. Rotor Material: Stainless steel Rotors with Carbon Ceramic Bearings. Temperature Limits: 120 C.

Process Connections: NPT female threaded.

part #: om008s513222 prices

• $275.00-$1101.99

specifications pneumativalv:

• brand: Flomec
• mpn: Om008s513-222
• battery included: No
• restricted sale item code: A9
• weight: 4.1000
• depth: 3.900
• flow meter type: Oval Gear Flow Meter
• type: Pump Controls Flowmeters
• length: 5.100
• port diameter: 3/8 In
• features: Electronic Flowmeter, Product Type Oval Gear Flow Meter, Flowmete
• country of origin: Au

shipping pneumativalv:

• carrier: USPS, FedEx, UPS
• cost: $10.65
• transit: 4-10 Days
• service: USPS Ground Advantage, FedEx Ground Economy, UPS Ground Saver
• class: Standard, Economy
• type: Calculated

offer pneumativalv:

• sold: 0
• availability: In Stock
• quantity: 1
• started: February 3, 2026
• options: Ship-to-home

payments pneumativalv:

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

seller pneumativalv:

• rating: 99.3%
• # reviews: 2646
• city: Spring, Texas

returns pneumativalv:

• policy: No Returns

general pneumativalv:

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

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