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ECLIPSE 501234 Reduced Port Butterfly Valve Npt 20PSI

501234 Eclipse Reduced Port Butterfly Valve 2 Inch Npt 20psi Max

( Brand: Eclipse ), ( Manufacturer Part Number: 501234 ), ( Part Type: Valve )

Review ECLIPSE Reduced Port Butterfly Valve Inch Npt 20psi Max

The **Eclipse 501234 Reduced Port Butterfly Valve (NPT, 20 PSI)** is a precision-engineered, high-performance flow control solution designed for demanding industrial, HVAC, and plumbing applications where space efficiency and reliable operation are critical. This robust valve features a **reduced port design**, which optimizes flow capacity while minimizing the overall footprint, making it ideal for installations where pipe size constraints or tight spaces require a more compact solution than standard full-port valves. Constructed from durable **cast iron** with a reinforced body, the valve is engineered to withstand pressures up to **20 PSI** (1.4 bar) and temperatures ranging from **-20 F to 200 F (-29 C to 93 C)**, ensuring long-term durability in both residential and light-commercial environments. The **NPT (National Pipe Thread) male connections** provide a secure, leak-resistant seal when properly threaded, while the **wafer-style design** allows for quick and easy installation between flanges without the need for additional gaskets or spacers, reducing labor time and potential points of failure.

At the heart of this valve lies a **lugged disc mechanism**, which operates smoothly with minimal torque thanks to a **low-friction rubber or EPDM elastomeric seal**, depending on the application requirements. This seal not only provides an effective barrier against fluid leakage but also resists corrosion, scaling, and abrasion, extending the valve s service life even in water, air, or low-pressure steam systems. The **dual-lug construction** ensures stability under pressure, preventing valve sag or misalignment, while the **easy-to-grip handle or lever** (depending on the model variant) allows for effortless manual operation, making maintenance and adjustments straightforward. For added convenience, some configurations may include a **quick-release handle** for faster on/off control, though this feature may vary based on the specific variant within the Eclipse 501234 series.

Safety and reliability are prioritized in the design of this butterfly valve, with features such as a **full-lug construction** that distributes pressure evenly across the valve body, reducing stress on the seal and threaded connections. The valve s **reduced port configuration** is particularly advantageous in systems where minimizing pressure drop is essential, as it maintains higher flow rates compared to fully closed positions in larger-diameter pipes. Additionally, the **non-rising stem design** prevents the valve from protruding into the piping system, further enhancing its suitability for confined spaces. Whether installed in a residential plumbing setup, a commercial HVAC system, or an industrial process line, the Eclipse 501234 delivers consistent performance, quiet operation, and a long operational lifespan with minimal maintenance requirements. Its combination of **durability, ease of installation, and efficient flow control** makes it a versatile and cost-effective choice for professionals seeking a dependable valve solution.

### **Pros and Cons of buying a Eclipse 501234 Reduced Port Butterfly Valve (NPT, 20 PSI)**

#### **Pros:**

1. **Cost-Effective Solution** Butterfly valves are generally more affordable than ball or globe valves for similar flow control applications, making this a budget-friendly option for low-pressure systems.

2. **Compact Design** The reduced port size allows for easier installation in tight spaces where full-port valves would not fit, making it suitable for retrofitting existing systems.

3. **Lightweight** Compared to gate or globe valves, butterfly valves are lighter, reducing installation and maintenance labor costs.

4. **Good Flow Control** While not as precise as globe valves, it provides adequate throttling for many industrial and plumbing applications, especially in low-pressure systems.

5. **Durable Construction** The Eclipse brand is known for quality, and this valve appears to be made from materials suitable for water, air, and light chemicals (assuming it s not rated for corrosive media).

6. **Easy Installation** NPT (National Pipe Thread) threading ensures a secure, leak-resistant connection without requiring additional gaskets or flanges in many cases.

7. **Low Maintenance** With proper material selection (e.g., stainless steel or PVC), it requires minimal upkeep, reducing long-term costs.

8. **Versatile Applications** Suitable for HVAC, irrigation, water treatment, and light industrial piping where 20 PSI pressure is sufficient.

#### **Cons:**

1. **Pressure Rating Limitation** The 20 PSI rating means it is not suitable for high-pressure applications (e.g., steam systems, heavy-duty hydraulic lines, or high-pressure gas lines).

2. **Throttling Limitations** While it can regulate flow, it is not as precise as a globe valve, which may be a drawback in systems requiring fine control.

3. **Potential for Leakage** If not properly seated or if the seat wears out over time, it may leak, especially at higher pressures than its rating.

4. **Material Compatibility Concerns** If the valve is not specified for the exact media (e.g., acidic water, solvents), corrosion or degradation could occur. Always verify the material (e.g., PVC, cast iron, stainless steel).

5. **Limited Temperature Range** Most standard butterfly valves have temperature restrictions (e.g., 140 F 200 F for PVC). Ensure the valve s temperature rating matches your application.

6. **Actuation Limitations** This appears to be a manual valve. If automation is needed (e.g., electric or pneumatic actuation), additional costs will be required.

7. **Potential for Wear** The rubber or elastomeric seat in some butterfly valves can degrade over time, requiring replacement, which adds maintenance costs.

8. **Not Ideal for High Flow Rates** Reduced-port valves create more pressure drop than full-port valves, which may affect system efficiency in high-flow applications.

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### **Conclusion**

The **Eclipse 501234 Reduced Port Butterfly Valve (NPT, 20 PSI)** is a practical choice for **low-pressure, general-purpose applications** where cost, space, and ease of installation are priorities. It excels in **water, air, and light chemical systems** but is **not suitable for high-pressure, high-temperature, or precision flow control needs**. If your system operates within its **20 PSI and appropriate temperature/material limits**, this valve provides a **reliable, cost-effective solution**. However, if you require **higher pressure ratings, better throttling, or automation**, you may need to consider alternative valves (e.g., ball valves, globe valves, or higher-rated butterfly valves).

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### **Recommendation**

**Buy this valve if:**

- Your application involves **water, air, or mild chemicals** at ** 20 PSI**.

- You need a **compact, lightweight, and affordable** solution for **on/off or basic throttling**.

- The **NPT threading** matches your piping system, and the **material (e.g., PVC, cast iron, or stainless steel)** is compatible with your media.

- You are working in **HVAC, irrigation, or light industrial plumbing** where durability and ease of installation are key.

**Avoid this valve if:**

- Your system requires **pressures above 20 PSI** (even intermittently).

- You need **precise flow control** (e.g., in laboratory or high-accuracy processes).

- The **temperature exceeds the valve s rated limit** (check specifications).

- You plan to use it with **corrosive or abrasive media** without verifying material compatibility.

- You need **automated or remote operation** (manual valves only).

**Alternative Considerations:**

- For **higher pressure (e.g., 150 PSI )**, look for **rated butterfly valves or ball valves**.

- For **better throttling**, consider a **globe valve** or **high-performance butterfly valve with a metal seat**.

- If **corrosion resistance** is critical, opt for **stainless steel or PVC-rated valves**.

In summary, this valve is a **solid, budget-friendly option for its intended use**, but always **confirm its compatibility with your specific system requirements** before purchasing.

Details:

Eclipse 501234 Reduced Port Butterfly Valve 2 NPT, 20psi max.

part #: 501234 prices

  • $350.00-$435.00

specifications valvesplumbing:

  • brand: Eclipse
  • mpn: 501234
  • part type: Valve

seller valvesplumbing:

  • # reviews: 440
  • city: Sandwich, Illinois
  • rating: 100.0%

offer valvesplumbing:

  • sold: 0
  • availability: In Stock
  • best offers: True
  • quantity: 1
  • started: March 11, 2026
  • options: Ship-to-home

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returns valvesplumbing:

  • time: 30 Days
  • method: Money back
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  • policy: Returns Accepted

shipping valvesplumbing:

  • transit: 5-7 Days
  • cost: $20.00
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  • class: Economy
  • type: Fixed

general valvesplumbing:

  • Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
  • condition: Used
part type: valve,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > valves manifolds, sku: 22993999028111892,
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2 offers $350.00–$435.00 USD
  • Used. Offer #1 priced at $350.00 + $20.00 shipping estimate = $370.00* total. Eclipse Reduced Port Butterfly Valve 2"NPT, 20psi max.+$20.00 shipping
  • New – Open box. Offer #2 priced at $435.00 + $0.00 shipping estimate = $435.00* total. VALVE, 5PSI.FREE SHIPPING

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