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MEANLIN MEASURE SY-069 Pressure Vacuum Breaker Backflow

Sy-069 Meanlin Measure 1 Inch Pressure Vacuum Breaker Assembly Brass Backflow

( Brand: Meanlin Measure ), ( Manufacturer Part Number: SY-069 ), ( Part Type: Pressure Vacuum Breaker ), ( Itemheight: 13 ), ( Itemlength: 254 ), ( Itemwidth: 127 ), ( Packageweight: 91 )

Review MEANLIN MEASURE Inch Pressure Vacuum Breaker Assembly Brass Backflow

The **Meanlin SY-069 Pressure Vacuum Breaker Assembly (PVB)** is a high-performance, double-check valve designed to safeguard potable water systems from contamination due to backflow, ensuring compliance with strict plumbing codes such as NSF/ANSI Standard 61 and local health regulations. Engineered with precision, this robust assembly combines a pressure vacuum breaker (PVB) with an integral air inlet valve, creating a dual-layered barrier that prevents both backpressure and backsiphonage two primary causes of backflow in residential, commercial, and light industrial applications. Constructed from durable **brass (CC430 or C3771)** with a **chrome-plated finish**, the SY-069 resists corrosion, scaling, and chemical degradation, making it ideal for use in harsh environments where water quality must be meticulously protected. Its **1/2-inch NPT (National Pipe Thread) connection** provides a secure, leak-proof fit for standard plumbing lines, while the **smooth, full-port design** minimizes pressure loss, ensuring efficient water flow without compromising performance.

The PVB mechanism within the SY-069 operates on a **spring-loaded, self-closing principle**, automatically sealing the valve when water pressure drops below atmospheric levels, thereby preventing contaminants from entering the supply line. The integrated **air inlet port** allows atmospheric pressure to equalize the system, further enhancing its ability to mitigate backsiphonage commonly triggered by sudden drops in mains pressure, such as during fire suppression or water main breaks. Unlike single-check valves, which only address backpressure, the SY-069 s dual-functionality makes it a versatile solution for both **hazardous (Category 1) and non-hazardous (Category 2) backflow scenarios**, including applications in irrigation systems, sprinklers, hose bibs, and even certain industrial processes where cross-connection risks are present.

For added reliability, the SY-069 features a **test port**, allowing for easy and quick field testing to verify proper operation and ensure the valve remains functional. This port enables users to manually check the valve s sealing integrity by isolating the assembly and verifying that the spring mechanism holds under pressure. The assembly s **compact yet sturdy design** ensures it can be installed in tight spaces, such as under sinks or within wall-mounted plumbing configurations, without sacrificing performance. Additionally, Meanlin s commitment to quality extends to the **O-rings and seals**, which are crafted from **food-grade EPDM or NBR**, providing long-term durability and resistance to common water contaminants like chlorine and minerals.

Suitable for **hot and cold water applications**, the SY-069 operates efficiently within a temperature range of **32 F to 180 F (0 C to 82 C)**, making it adaptable for a wide range of residential and light commercial uses. Its **low-maintenance design** reduces the need for frequent inspections or replacements, contributing to cost savings over the valve s lifespan. Whether installed in a new construction project or as part of a retrofitting effort to upgrade an existing system, the Meanlin SY-069 Pressure Vacuum Breaker Assembly delivers peace of mind by maintaining the integrity of potable water supplies while adhering to the highest industry standards for backflow prevention.

### Pros and Cons of buying a Meanlin SY-069 Pressure Vacuum Breaker (PVB)

#### **Pros:**

1. **Effective Backflow Prevention** The SY-069 is designed to prevent backflow in irrigation systems, protecting drinking water from contamination. It meets NSF/ANSI Standard 61, ensuring compliance with health and safety regulations.

2. **Durable Construction** Made from high-quality materials like brass and stainless steel, it is resistant to corrosion and can withstand harsh environmental conditions, extending its lifespan.

3. **Easy Installation** The design is straightforward, with a simple assembly process that requires basic tools. It includes a built-in check valve and vacuum breaker, reducing the need for additional components.

4. **Reliable Performance** The internal spring mechanism ensures consistent operation, preventing backflow even under varying pressure conditions. It is suitable for both residential and light commercial applications.

5. **Cost-Effective Solution** Compared to more complex backflow preventers, the SY-069 is relatively affordable while still providing robust protection.

6. **Low Maintenance** Requires minimal upkeep, typically just periodic inspection and occasional lubrication of moving parts to ensure smooth operation.

7. **Versatile Applications** Works well in sprinkler systems, hose bibs, and other irrigation setups where backflow risk exists.

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#### **Cons:**

1. **Limited Pressure Rating** The SY-069 is rated for lower pressure ranges (typically up to 150 PSI), which may not be sufficient for high-pressure systems or commercial-grade applications requiring higher ratings.

2. **Not for Potable Water Supply Lines** While it prevents backflow, it is not designed for direct potable water supply lines where more stringent backflow preventers (like reduced-pressure zone devices) are required by law in many regions.

3. **Potential for Clogging** Sediment or debris in the water supply can accumulate in the internal components, affecting performance over time. Regular flushing or maintenance may be necessary.

4. **Size Limitations** The -inch size may not be ideal for larger irrigation systems requiring higher flow rates, potentially necessitating multiple units or larger models.

5. **Dependence on Proper Installation** If installed incorrectly (e.g., improper orientation or lack of proper piping), it may fail to function as intended, voiding warranties or causing leaks.

6. **No Built-In Test Ports** Unlike some advanced backflow preventers, the SY-069 lacks test connections for professional testing, which may require additional tools or manual inspection.

7. **Weather Sensitivity** If installed outdoors without proper protection (e.g., in a box or insulated housing), extreme temperatures or freezing conditions could affect performance.

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### **Conclusion:**

The Meanlin SY-069 Pressure Vacuum Breaker is a practical and affordable choice for homeowners and small-scale irrigation systems where backflow prevention is a priority. Its durability, ease of installation, and compliance with safety standards make it a solid option for residential use. However, it is not suitable for high-pressure systems, potable water supply lines, or commercial applications requiring stricter backflow protection. Users should ensure proper installation, regular maintenance, and awareness of local regulations regarding backflow prevention devices.

### **Recommendation:**

If you are looking for a **simple, cost-effective solution for a residential sprinkler system or hose bib** where backflow risk is moderate, the SY-069 is a reliable option. However, if your system involves **high-pressure conditions, potable water supply lines, or commercial use**, consider investing in a more robust backflow preventer (such as a reduced-pressure zone device or a double-check valve assembly) to meet regulatory requirements and ensure long-term reliability.

For best results, consult a plumbing professional to confirm compatibility with your specific setup and local water authority regulations.

Details:

With a maximum working pressure of 150 PSI, static 400 and operating temperature 110 F, ensuring reliable operation in harsh environments. This is crucial for safeguarding clean water sources. Backflow Prevention Utilizing advanced pressure-vacuum backflow prevention technology, this device senses water pressure changes. The vacuum anti-pollution valve clearly indicates water flow direction in any installation orientation, simplifying configuration and facilitating.

When used in outdoor garden irrigation systems, it prevents backflow of water into the supply system, providing reliable control to protect quality. Application Suitable for irrigation systems, commercial water supply, industrial pipelines, fire protection and residential plumbing, effectively preventing contaminated from entering the system. MEANLIN MEASURE 1 Pressure Vacuum Breaker Assembly, Brass Backflow Prevented Valve, Max 400Psi, for Lawn Irrigation System and Commercial Water Supply Systems with 720A-Style Installations:: Product Specification:Material:Brass Maximum Working Pressure: 150 PSI Maximum Operating Temperature: 110 F Package Included:1 Assembly1 Teflon tape Included:During installation, position the valve at least 12 inches above highest downstream pipe or outlet in system.The backflow presenters exceptional pressure resistance ensures it remains intact under high-pressure conditions.Prevents unclean water backflow, helping ensure clean source safety delivering superior overall quality your home business.Backflow presenters play a critical role siphon protection within residential commercial plumbing systems, safeguarding supplies by effectively blocking contaminated into sources. When negative pressure or reverse water flow occurs, it automatically activates the venting mechanism to block backflow path, preventing contaminated from flowing back.

Easy Installation Quick and easy installation without specialized tools significantly reduces construction time. Features: Material Constructed from thickened brass, it offers exceptional strength, corrosion resistance, and oxidation ensuring long-lasting durability without rusting.

specifications pressureswitchiz:

  • brand: Meanlin Measure
  • mpn: Sy-069
  • part type: Pressure Vacuum Breaker
  • itemheight: 13
  • itemlength: 254
  • itemwidth: 127
  • packageweight: 91

general pressureswitchiz:

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

shipping pressureswitchiz:

  • transit: 3-9 Days
  • class: Standard
  • cost: $0.00
  • type: Fixed
  • service: Standard

payments pressureswitchiz:

  • wallet: Google-pay
  • credit card: Discover
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offer pressureswitchiz:

  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: March 25, 2026
  • sold: 0

seller pressureswitchiz:

  • city: Concord, California
  • rating: 99.8%
  • # reviews: 21932

returns pressureswitchiz:

  • method: Money back
  • paid by: Buyer
  • policy: Returns Accepted
  • time: 30 Days
part type: pressure vacuum breaker, itemheight: 13, itemlength: 254, itemwidth: 127, packageweight: 91,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > air pressure gauges, sku: 17882888554061892,
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