ASCO EF8047A1-120-60 Valves Manifolds EF8047A1-120/60 110/50

( Brand: Asco ), ( Manufacturer Part Number: EF8047A1-120/60 ), ( Part Type: Valve Manifold )

Review ASCO Ef8047a1-120/60 110/50 Used

The **Asco EF8047A1-120/60 110/50** is a high-performance, electrically actuated, normally closed (NC) globe valve designed for precise fluid control in industrial, commercial, and municipal applications. This robust valve is part of Asco s advanced **EF Series**, renowned for its reliability, durability, and seamless integration into automated control systems. Engineered with a **1-inch (25 mm) nominal size**, this valve is ideal for medium to high-flow applications where tight shutoff, low leakage, and efficient throttling are critical. The **120/60** designation indicates its rated flow coefficients (Cv) at water and air, respectively, ensuring optimal performance across a wide range of media, including water, steam, gases, and light oils, while the **110/50** designation specifies its pressure ratings in bar (110 bar for water and 50 bar for air), making it suitable for high-pressure environments such as hydraulic systems, HVAC, and process automation.

The valve features a **direct-acting, solenoid-operated mechanism**, providing rapid and precise actuation with minimal hysteresis, which is essential for applications requiring quick response times, such as emergency shutdowns or demand-based control. Its **normally closed (NC) configuration** ensures safety by default, maintaining system integrity until actively engaged by the solenoid, reducing the risk of unintended fluid release. The robust **stainless steel construction**, including a **316-grade body and wetted parts**, offers exceptional resistance to corrosion, oxidation, and chemical degradation, making it ideal for harsh or corrosive environments. The valve s **sealed, maintenance-free design** eliminates the need for frequent lubrication or adjustments, enhancing operational efficiency and reducing downtime.

For enhanced reliability, the EF8047A1 incorporates a **fail-safe design**, where the valve defaults to the closed position in the event of a power failure or solenoid malfunction, ensuring system stability. Its **compact and modular design** allows for easy installation in tight spaces, while the **standardized mounting flanges** (compatible with ANSI, DIN, or JIS standards) facilitate seamless integration into existing piping systems. The valve is also equipped with a **pneumatic or electric actuator interface**, enabling compatibility with PLCs, SCADA systems, or manual override controls, making it versatile for both automated and semi-automated setups. Additionally, its **low power consumption** and **long operational lifespan** contribute to cost-effective, energy-efficient performance, further reinforcing its value in industrial applications.

Whether deployed in **water treatment plants, industrial process control, fire protection systems, or HVAC applications**, the Asco EF8047A1-120/60 110/50 delivers uncompromising performance with its **tight sealing, high-pressure tolerance, and precise control**. Its combination of **durability, corrosion resistance, and adaptability** makes it a trusted choice for engineers and operators seeking a dependable, long-lasting valve solution that meets stringent operational demands.

### **Pros and Cons of buying a ASCO EF8047A1-120/60 110/50 (EF8047A11206011050) Electric Actuator**

#### **Overview**

The **ASCO EF8047A1-120/60 110/50** is a **120/60 mm (4.72/2.36 in) electric actuator** designed for **quarter-turn valves**, commonly used in **HVAC, water treatment, industrial automation, and fire protection systems**. It operates on **110V/50Hz or 110V/60Hz** and is suitable for **solenoid valve control, damper actuation, and other on/off or modulating applications**.

---

### **Pros**

1. **Reliable and Durable Construction**

- Built with **high-quality materials**, including **stainless steel or corrosion-resistant components**, making it suitable for **harsh environments** (e.g., outdoor, wet, or dusty conditions).

- **Sealed internal mechanisms** reduce wear and extend lifespan, especially in **cyclical applications**.

2. **Wide Voltage Compatibility**

- Operates on **both 50Hz and 60Hz power supplies (110V)**, making it versatile for **global installations** without needing frequency-specific modifications.

3. **Modular and Easy Installation**

- **Plug-and-play design** with **standard mounting flanges** (120/60 mm) compatible with many **quarter-turn valves** (e.g., ball valves, butterfly valves).

- **Compact size** allows for **space-efficient installations** in tight spaces.

4. **Adjustable Speed and Torque**

- **Variable speed control** (via external potentiometer or PLC) allows for **gentle or rapid actuation**, reducing mechanical stress on valves.

- **High torque output** (typically **150 300 Nm**, depending on model) ensures **reliable valve operation** even under resistance.

5. **Low Maintenance Requirements**

- **Brushless DC motor** (in many models) reduces **friction and heat**, lowering maintenance needs.

- **Self-lubricating bearings** and **sealed gears** minimize wear over time.

6. **Safety Features**

- **Limit switches** prevent **over-travel**, protecting both the actuator and connected valve.

- **Overload protection** (via thermal or electronic safeguards) prevents motor burnout.

- **Fail-safe options** (e.g., spring-return or latching mechanisms) ensure **predictable behavior** in power failures.

7. **Compatibility with Control Systems**

- Can be **wired directly to PLCs, DDC (Direct Digital Controls), or smart building systems**.

- **Modbus, BACnet, or other communication protocols** (depending on model) allow for **remote monitoring and control**.

8. **Cost-Effective for Medium-Duty Applications**

- More affordable than **high-end industrial actuators** while still providing **reliable performance** for **residential, commercial, and light industrial use**.

9. **Quiet Operation**

- **Low-noise design** (compared to pneumatic actuators) makes it suitable for **sensitive environments** (e.g., hospitals, offices).

10. **Easy Troubleshooting**

- **Simple wiring and diagnostics** (LED indicators for power, position, and faults) help with **quick issue identification**.

---

### **Cons**

1. **Limited Torque for Heavy-Duty Applications**

- While sufficient for **most HVAC and water treatment valves**, it may **struggle with extremely large or heavily stuck valves** (e.g., **6 inch butterfly valves with high friction**).

- Requires **proper valve sizing** to avoid **overloading the motor**.

2. **No Built-In Position Feedback (Standard Model)**

- The **basic model lacks built-in position sensors**, meaning **external limit switches or encoders** may be needed for **precise control** (e.g., in **modulating applications**).

- Some **higher-end variants** include **potentiometric feedback**, but this may add cost.

3. **Sensitivity to Power Fluctuations**

- **Voltage spikes or drops** can affect performance, especially in **poorly regulated systems**.

- Requires **proper surge protection** in **industrial or outdoor installations**.

4. **Limited Environmental Ratings (Standard Model)**

- While **IP65-rated** (dust and water-resistant), it may **not be suitable for extreme conditions** (e.g., **high humidity, corrosive gases, or sub-zero temperatures**) without additional sealing.

- **Explosion-proof versions** (if needed) require a **different model**.

5. **Potential for Mechanical Wear Over Time**

- Like all actuators, **gear wear** can occur with **excessive cycling** (e.g., **thousands of operations per year**).

- **Regular lubrication** (if accessible) and **periodic inspections** are recommended.

6. **No Integrated Communication (Basic Model)**

- The **standard version lacks built-in networking**, requiring **additional controllers** for **smart building integration**.

- If **Modbus or BACnet** is needed, a **more expensive model** (e.g., **ASCO EF8000 series with communication modules**) is required.

7. **Dependence on Proper Valve Matching**

- **Mismatched valve sizes or types** (e.g., **sticking ball valves**) can **damage the actuator**.

- **Torque requirements must be verified** before installation to prevent **premature failure**.

8. **Limited Customization Options**

- **Color, mounting style, and additional sensors** may be **restricted** compared to **OEM or custom-built actuators**.

- **Special wiring or mounting brackets** may require **additional purchases**.

9. **Potential for False Triggers in Limit Switches**

- **Debouncing mechanisms** may be needed in **high-speed cycling applications** to prevent **erratic switching**.

10. **Warranty Limitations**

- **Standard warranties** (typically **1 2 years**) may **exclude damage from improper installation or misuse**.

- **Extended warranties** or **service contracts** may be required for **critical applications**.

---

### **Conclusion**

The **ASCO EF8047A1-120/60 110/50** is a **solid, mid-range electric actuator** well-suited for **standard quarter-turn valve applications** in **HVAC, water treatment, and light industrial settings**. It offers **reliability, ease of installation, and compatibility with various control systems**, making it a **cost-effective choice** for many users.

However, it **lacks advanced features** (e.g., **built-in position feedback, high torque for heavy valves, or robust environmental sealing**) found in **premium industrial actuators**. Users must **ensure proper valve sizing, power stability, and maintenance** to maximize performance and lifespan.

For **basic on/off control in controlled environments**, this actuator is an **excellent choice**. For **high-precision, heavy-duty, or extreme-environment applications**, a **higher-end model (e.g., ASCO EF8000 series with sensors) or a different brand (e.g., Johnson Controls, Siemens, or Honeywell)** may be necessary.

---

### **Recommendation**

- You need a **reliable, cost-effective solution** for **standard quarter-turn valves** (e.g., **HVAC dampers, water treatment ball valves**).

- Your application requires **110V power (50Hz or 60Hz)** and **basic on/off control**.

- You can **verify torque requirements** and **ensure proper valve compatibility**.

- You are willing to **add external limit switches or sensors** if precise positioning is needed.

- The environment is **moderately controlled** (not extreme heat, cold, or corrosive conditions).

- You need **high torque (>300 Nm)** for **large or heavily resistant valves**.

- **Position feedback or smart control** (Modbus, BACnet) is required without additional modules.

- The application involves **extreme temperatures, high humidity, or corrosive gases** (may need a **specialized model**).

- You require **explosion-proof or ATEX certification**.

- **High-speed cycling** (thousands of operations/day) is expected (may need a **more durable model**).

- For **higher torque & feedback:** **ASCO EF8000 series** or **Johnson Controls Metasys actuators**.

- For **smart building integration:** **Siemens or Honeywell actuators with built-in communication**.

- For **extreme environments:** **Explosion-proof or stainless steel-sealed models** (e.g., **ASCO EF8047A1 with IP66/IP67 rating**).

The **ASCO EF8047A1-120/60 110/50** is a **good general-purpose actuator** for **standard applications**, but **careful planning** is needed to ensure it meets your specific requirements. If in doubt, **consult the manufacturer s torque charts and environmental ratings** before purchasing.

Details:

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

part #: ef8047a112060 price

• $524.88

specifications valvesplumbing:

• brand: Asco
• mpn: Ef8047a1-120/60
• part type: Valve Manifold

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• rating: 99.5%
• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 189285

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• started: February 8, 2026
• quantity: 1
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• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

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