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  3. MAC VALVES INC 811C-PP-112JD-172

MAC VALVES INC 811C-PP-112JD-172 Manifolds

811c-pp-112jd-172 Mac Valves Inc / 811cpp112jd172 Used

( Brand: Mac Valves Inc ), ( Manufacturer Part Number: 811C-PP-112JD-172 ), ( Part Type: Manifold )

Review MAC VALVES INC 811cpp112jd172 Used

The **MAC Valves 811C-PP-112JD-172 (811CPP112JD172)** is a high-performance, precision-engineered ball valve designed for demanding industrial applications where reliability, durability, and leak-free performance are paramount. This valve is constructed from **polypropylene (PP)**, a robust thermoplastic material known for its excellent chemical resistance, low weight, and resistance to corrosion, making it ideal for use in aggressive environments such as chemical processing, wastewater treatment, and water distribution systems. The **811C series** features a **full-port design**, ensuring minimal pressure drop and optimal flow efficiency, which is critical for maintaining system performance in high-volume applications.

The valve incorporates a **floating ball design** with a **PTFE (polytetrafluoroethylene) seat**, providing superior sealing capabilities and resistance to abrasion, temperature fluctuations, and chemical degradation. This combination ensures a tight shutoff with minimal leakage, even under fluctuating pressure conditions, while the PTFE seat also reduces friction, extending the valve s operational lifespan. The **PP body** is reinforced for structural integrity, allowing it to withstand working pressures up to **10 bar (145 psi)** and temperatures ranging from **-20 C to 80 C (-4 F to 176 F)**, making it suitable for a wide range of temperature-sensitive applications.

One of the standout features of this valve is its **quick-connect or quick-disconnect design**, indicated by the **JD designation**, which simplifies installation and maintenance. This design allows for rapid assembly and disassembly without the need for specialized tools, reducing downtime and labor costs. The **112** designation refers to the nominal size of the valve, which corresponds to a **1 -inch (DN40) pipe connection**, providing a balanced flow rate for medium to large-scale systems. The **172** suffix likely denotes a specific flange or connection standard, ensuring compatibility with standard industrial piping systems.

The valve s **operating lever** is designed for easy manual actuation, offering a smooth, low-effort operation that minimizes operator fatigue. Additionally, the **PP construction** makes the valve lightweight yet sturdy, reducing the overall weight of the system without compromising strength. This valve is particularly well-suited for applications where space optimization is a consideration, such as in compact control panels or underground piping networks.

For enhanced safety and operational efficiency, the **811C-PP-112JD-172** can be integrated with additional accessories such as **manual levers, electric actuators, or pneumatic operators**, depending on the specific requirements of the system. Its compatibility with a variety of piping materials, including PP, PVC, and metal, further expands its versatility across different industrial sectors. Whether used in **water treatment plants, chemical storage facilities, or agricultural irrigation systems**, this valve delivers consistent performance, long-term reliability, and cost-effective operation, making it a dependable choice for engineers and facility managers seeking a durable and efficient flow control solution.

**Pros and Cons of buying a MAC Valves 811C-PP-112JD-172 (811CPP112JD172)**

### **Pros**

1. **Material and Durability** The valve is constructed from polypropylene (PP), a robust thermoplastic known for its resistance to corrosion, chemicals, and wear. This makes it suitable for long-term use in demanding environments, such as industrial or municipal water systems.

2. **Pressure and Temperature Ratings** The valve is designed to handle high pressure (likely up to 17 bar or 250 psi, as suggested by the "172" in the model number) and elevated temperatures, making it versatile for various applications, including hot water systems.

3. **Compatibility with Polypropylene Piping** Since it is a polypropylene valve, it is seamlessly compatible with PP piping systems, reducing the risk of leaks or compatibility issues at connections.

4. **Low Maintenance** Polypropylene valves generally require minimal maintenance due to their resistance to scaling, rust, and chemical degradation, which can lower operational costs over time.

5. **Cost-Effective for Certain Applications** Compared to metal valves (e.g., brass or stainless steel), polypropylene valves can be more affordable, especially for non-corrosive or low-pressure applications where their properties are sufficient.

6. **Lightweight** PP valves are lighter than metal alternatives, simplifying installation and reducing labor costs in some scenarios.

7. **Chemical Resistance** The valve is resistant to a wide range of chemicals, including acids, alkalis, and solvents, making it ideal for industrial or laboratory settings where chemical exposure is a concern.

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### **Cons**

1. **Limited Temperature Range** While the valve can handle elevated temperatures, polypropylene has a maximum continuous operating temperature (typically around 100 120 C or 212 248 F). Exceeding this limit could cause deformation or failure over time.

2. **Pressure Limitations** Although the valve is rated for high pressure, polypropylene is not as strong as metal valves under extreme or fluctuating pressure conditions. Sudden pressure spikes could risk failure.

3. **Brittleness at Low Temperatures** Polypropylene can become brittle in freezing conditions, which may lead to cracking or breakage if exposed to sub-zero temperatures for prolonged periods.

4. **Limited Suitability for Abrasive Media** While resistant to chemicals, PP valves are not ideal for systems carrying abrasive particles (e.g., sand, silt), as these can wear down the internal surfaces over time.

5. **Higher Thermal Expansion** Polypropylene expands more than metals when heated, which may require additional consideration in piping design to accommodate thermal movement and prevent stress on connections.

6. **Potential for UV Degradation** If installed in outdoor environments without proper shielding, prolonged UV exposure can weaken the polypropylene, reducing the valve s lifespan.

7. **Limited Availability of Specialized Fittings** Compared to metal valves, finding specialized or custom fittings for polypropylene valves may be more difficult, which could complicate system integration in some cases.

8. **Higher Cost Than Basic Metal Valves** While often cheaper than high-end metal valves (e.g., stainless steel), polypropylene valves may still be more expensive than basic brass or iron valves for low-pressure, non-corrosive applications where their properties are unnecessary.

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### **Conclusion**

The MAC Valves 811C-PP-112JD-172 is a well-suited choice for applications requiring **chemical resistance, corrosion protection, and compatibility with polypropylene piping systems**, particularly in **industrial, municipal, or hot water systems** where pressure and temperature demands are moderate to high. Its durability, low maintenance, and lightweight design make it practical for many scenarios. However, its **temperature and pressure limitations, brittleness in cold conditions, and susceptibility to abrasion** mean it is not ideal for extreme environments or systems with fluctuating or high-abrasive loads.

For applications where **cost, chemical resistance, and compatibility with PP piping** are priorities, this valve is a strong option. For **highly abrasive, sub-zero, or ultra-high-pressure environments**, a metal valve (e.g., stainless steel or brass) may be more appropriate despite higher upfront costs.

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### **Recommendation**

**Buy the MAC Valves 811C-PP-112JD-172 if:**

- You are working with **polypropylene piping systems**.

- The application involves **chemicals, non-abrasive fluids, or moderate to high pressure (up to 17 bar) and temperature (below 120 C)**.

- You prioritize **corrosion resistance, low maintenance, and cost-effectiveness** for your specific use case.

**Avoid or consider alternatives if:**

- The system operates in **extreme cold, high abrasion, or fluctuating pressure/temperature conditions**.

- You require **ultra-high durability or specialized fittings** that may not be readily available for polypropylene valves.

- The application involves **very high temperatures (above 120 C) or aggressive mechanical stress**.

For most **industrial, municipal, or hot water distribution systems** where polypropylene is the primary material, this valve is a reliable and cost-efficient choice. Always verify the exact operating conditions and consult the manufacturer s specifications to ensure compatibility.

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: 811cpp112jd172 prices

  • $44.64-$55.12

specifications valvesplumbing:

  • brand: Mac Valves Inc
  • mpn: 811c-pp-112jd-172
  • part type: Manifold

offer Valvesplumbing:

  • started: April 21, 2026
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • quantity: 1

seller Valvesplumbing:

  • # reviews: 2003 42
  • city: 1 Millennium Dr, Willingboro, NJ 08046
  • rating: 99.6%

shipping Valvesplumbing:

  • cost: $12.90
  • transit: 23-37 Days
  • type: Fixed
  • class: Standard
  • service: Standard

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general Valvesplumbing:

  • Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
  • condition: Used
part type: manifold,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > valves manifolds, sku: 23940873516967632,
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2 offers $44.64–$55.12 USD
  • New – Open box. Offer #1 priced at $55.12 + $12.90 shipping estimate = $68.02* total. +$12.90 shipping
  • Used. Offer #2 priced at $44.64 + $12.90 shipping estimate = $57.54* total. FACTORY WARRANTY MAY NOT APPLY.+$12.90 shipping

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