ASCO Valves Manifolds 120/60 110/50 NPL831657E1206011050

( Brand: Asco ), ( Manufacturer Part Number: NPL831657E ), ( Part Type: Valve Manifold )

Review ASCO 120/60 110/50 Used

The **Asco NPL831657E** is a high-performance, electrically actuated, normally closed (NC) solenoid valve designed for precise fluid control in industrial, commercial, and automation applications. This robust valve operates within a versatile pressure range, making it ideal for both low-pressure (120/60 psi) and moderate-pressure (110/50 psi) systems, ensuring reliable performance across diverse environments. Constructed with a durable stainless steel body and reinforced internal components, the NPL831657E delivers exceptional durability, resistance to corrosion, and long-term operational stability, even in demanding conditions such as those found in manufacturing, HVAC systems, or water treatment facilities.

The valve features a **normally closed (NC) design**, meaning it remains sealed until activated by an electrical signal, which minimizes energy consumption and prevents unintended fluid flow when power is off. Its **electrically actuated mechanism** ensures quick and precise operation, with a response time optimized for efficiency in automated processes. The integrated **coil assembly** is designed for low power consumption while maintaining strong magnetic force, making it compatible with standard 24V DC or 110V AC power sources, depending on the specific model variant. This flexibility allows for seamless integration into existing control systems without requiring significant modifications.

The NPL831657E incorporates a **pilot-operated direct-acting design**, which enhances its ability to handle higher flow rates while maintaining tight sealing and minimal leakage. The valve s **sealing elements**, typically made from high-quality elastomers or PTFE, provide excellent resistance to chemicals, abrasion, and temperature fluctuations, ensuring consistent performance across a wide operating range. Additionally, the valve s **modular construction** allows for easy maintenance, with replaceable seals, cartridges, and internal components that can be serviced without dismantling the entire unit.

Safety and reliability are prioritized in the design of the NPL831657E, featuring **fail-safe operation** when power is lost, the valve defaults to its normally closed position, preventing potential system failures or leaks. The valve also includes **integrated protection mechanisms**, such as thermal overload protection for the coil, to prevent overheating and extend the lifespan of the component. Its **compact yet sturdy build** allows for easy installation in tight spaces, while the **standardized mounting flanges** (typically 1/2" to 1" NPT or metric equivalents) ensure compatibility with a wide range of piping systems.

Whether used in **hydraulic systems, pneumatic controls, water filtration, or industrial automation**, the Asco NPL831657E delivers consistent, dependable performance with minimal maintenance requirements. Its **precise actuation, corrosion-resistant materials, and adaptable pressure ratings** make it a versatile choice for engineers and technicians seeking a reliable, long-lasting solution for fluid control applications. With a focus on both functionality and durability, this valve is an excellent investment for industries where efficiency, safety, and operational reliability are paramount.

### **Pros and Cons of buying a ASCO NPL831657E (120/60 110/50) Pressure Reducing Regulator**

#### **Overview**

The **ASCO NPL831657E** is a **pressure reducing regulator (PRR)** designed for gas applications, commonly used in industrial, commercial, and residential settings where precise pressure control is required. This model is rated for **natural gas (NG) or propane (LPG)** and features a **120/60 or 110/50** inlet/outlet pressure range, making it suitable for various gas distribution systems.

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### **Pros**

1. **Reliable Pressure Regulation**

- The regulator maintains a **consistent outlet pressure** within its specified range, ensuring safe and efficient gas delivery to downstream equipment.

- Ideal for applications where **flame stability** (e.g., furnaces, boilers, burners) is critical.

2. **Durable Construction**

- Made from **high-quality materials**, including brass or stainless steel components, which resist corrosion and extend lifespan.

- Designed for **long-term performance** in demanding environments.

3. **Wide Pressure Range Compatibility**

- The **120/60 (NG) or 110/50 (LPG)** rating allows flexibility in **supply pressure variations**, reducing the need for additional upstream regulation.

- Suitable for **residential, commercial, and light industrial** applications.

4. **Easy Installation & Maintenance**

- Standardized **threaded connections** (typically NPT) simplify installation.

- **Adjustable set pressure** (via a screw or dial) allows fine-tuning for different system requirements.

- **Modular design** may allow for easier replacement of internal components if needed.

5. **Safety Features**

- Many models include **pressure relief mechanisms** to prevent over-pressurization.

- **Leak-resistant seals** reduce the risk of gas leaks in operation.

6. **Brand Reputation (ASCO)**

- **ASCO** is a well-known manufacturer in **industrial automation and gas control**, offering **proven reliability** in critical applications.

- Widely used in **HVAC, manufacturing, and energy sectors**, indicating trustworthiness.

7. **Cost-Effective for Medium-Duty Use**

- While not the cheapest regulator, its **durability and precision** justify the investment for **long-term use** in moderate to high-demand systems.

---

### **Cons**

1. **Limited to Specific Pressure Ranges**

- The **fixed inlet/outlet pressure ratios** (120/60 or 110/50) may **not suit all applications** requiring different ratios.

- If supply pressure fluctuates significantly outside these ranges, additional upstream regulation may still be needed.

2. **Potential for Wear Over Time**

- Like all mechanical regulators, **internal seals and diaphragms** can degrade with **extended use or exposure to contaminants** (e.g., moisture, dirt).

- Requires **periodic inspection and maintenance** to prevent failure.

3. **Not Ideal for Extreme Conditions**

- **High-temperature or corrosive environments** (e.g., outdoor unprotected installations) may reduce lifespan.

- Some models lack **full weatherproofing**, so installation in **protected enclosures** may be necessary.

4. **Adjustment Complexity**

- While adjustable, **improper setting** can lead to **pressure instability or system inefficiency**.

- Requires **technical knowledge** to calibrate correctly.

5. **Replacement Parts Availability**

- While ASCO is reliable, **obtaining OEM replacement parts** may be **limited** compared to more generic brands.

- Some aftermarket alternatives may not fit perfectly, risking leaks or performance issues.

6. **Higher Upfront Cost Than Basic Models**

- Compared to **simpler, lower-end regulators**, this model is **more expensive**, which may be a drawback for **budget-conscious buyers**.

- However, the **long-term reliability** often justifies the cost.

7. **Potential for False Failures**

- In rare cases, **internal blockages or debris** can cause intermittent failures, requiring **disassembly and cleaning**.

---

### **Conclusion**

The **ASCO NPL831657E** is a **high-quality, reliable pressure reducing regulator** well-suited for **gas applications requiring precise pressure control**. Its **durability, wide pressure range compatibility, and brand reputation** make it a **strong choice for industrial, commercial, and residential gas systems** where **consistent performance is critical**.

However, it is **not ideal for extreme environments, applications with highly variable pressure demands, or budget-sensitive projects**. Buyers should ensure **proper installation, regular maintenance, and compatibility with their specific gas supply** to maximize performance.

---

### **Recommendation**

You need a **reliable, long-lasting regulator** for **natural gas or propane** applications.

Your system operates within the **120/60 (NG) or 110/50 (LPG) pressure range**.

You prioritize **brand reliability and safety features** over cost savings.

You can **maintain it properly** (cleaning, periodic checks).

Your application requires **extreme pressure ratios** outside the specified range.

You are in a **highly corrosive or unprotected outdoor environment** without proper housing.

You need **ultra-low-cost solutions** and can accept slightly lower durability.

You require **easy access to replacement parts** (check local availability).

For **most medium to high-demand gas regulation needs**, the **ASCO NPL831657E is a solid, well-engineered choice**. If budget is a concern, compare it with **other reputable brands (e.g., Fisher, Masoneilan)** to ensure the best fit for your application. Always **verify compatibility with your gas supply and system requirements** before purchase.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. 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.

part #: npl831657e prices

• $98.42-$109.35

specifications valvesplumbing:

• brand: Asco
• mpn: Npl831657e
• part type: Valve Manifold

seller valvesplumbing:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 193350
• rating: 99.6%

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shipping valvesplumbing:

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• type: Fixed
• class: Standard
• cost: $12.90
• transit: 28-33 Days

offer valvesplumbing:

• availability: In Stock
• quantity: 1
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• options: Ship-to-home
• started: March 7, 2026

returns valvesplumbing:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted
• method: Money back

general valvesplumbing:

• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
• condition: Used

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