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  3. SAUNDERS 3449-563-E2

SAUNDERS 3449-563-E2 Diaphragm Valve Actuator Fisher Asco 67CFR Coil

3449-563-e2 Saunders 2 Inch 3449 Diaphragm Valve With Actuator Fisher 67cfr Asco Coil

( Brand: Saunders ), ( Manufacturer Part Number: 3449-563-E2 ), ( Part Type: Valve Actuator Coil ), ( Unit Type: Unit ), ( Valve Operation: Air-operated ), ( Country Of Origin: United Kingdom )

Review SAUNDERS Inch 3449 Diaphragm Valve Actuator Fisher Asco Coil

The **Saunders 3449-563-E2 3449 Diaphragm Valve Actuator with Fisher 67CFR ASCO Coil** is a high-performance, electrically operated actuator designed for precise control of diaphragm valves in demanding industrial applications. Engineered for reliability and durability, this actuator combines robust mechanical construction with advanced electronic components to deliver seamless operation in environments where process control is critical. The **3449 series** is renowned for its compact yet powerful design, making it ideal for installations where space is limited but performance cannot be compromised. The **Saunders diaphragm valve actuator** features a robust aluminum housing, reinforced with precision-machined components to ensure long-term durability against harsh conditions, including exposure to corrosive media, temperature fluctuations, and mechanical stress. Its **360-degree rotational mounting capability** allows for flexible installation, accommodating various piping configurations without compromising functionality.

At the heart of this actuator is the **Fisher 67CFR ASCO coil**, a high-efficiency solenoid designed to provide rapid and consistent actuation with minimal energy consumption. The **ASCO coil** is engineered for extended operational life, featuring a sealed, corrosion-resistant design that protects internal components from environmental contaminants, ensuring reliable performance even in wet or dusty environments. The coil s **low-power draw** and **fast response time** make it well-suited for applications requiring frequent cycling, such as in chemical processing, water treatment, or HVAC systems. The actuator s **diaphragm mechanism** ensures smooth, leak-free operation, with minimal wear over time, reducing maintenance requirements and downtime.

This actuator is particularly well-suited for **diaphragm valves** in applications where precise flow control, tight sealing, and resistance to media leakage are essential. Its **fail-safe design** options such as spring-return or fail-open/fail-close configurations provide added layers of operational security, ensuring system integrity even in the event of power loss or actuator failure. The **3449 series** also incorporates **position feedback mechanisms**, allowing for real-time monitoring and control integration with PLCs, SCADA systems, or other automation platforms. This makes it an excellent choice for industries where process automation and remote monitoring are critical, such as pharmaceutical manufacturing, food and beverage processing, or oil and gas refining.

Built to meet stringent industry standards, including **NEMA 4X and IP66/67 ratings**, this actuator is fully protected against dust, water ingress, and solid contaminants, making it suitable for both indoor and outdoor installations. The **modular design** allows for easy customization, with compatible accessories such as limit switches, positioners, or additional mounting brackets available for tailored applications. Whether deployed in a **corrosive chemical plant, a high-purity water treatment facility, or a demanding industrial automation system**, the **Saunders 3449-563-E2 with Fisher 67CFR ASCO coil** delivers consistent, high-performance actuation with minimal maintenance, ensuring reliable operation for years to come. Its combination of **precision engineering, corrosion resistance, and energy efficiency** makes it a premium choice for engineers and operators seeking a dependable solution for diaphragm valve control.

### **Pros and Cons of buying a Saunders 3449-563-E2 (3449 Diaphragm Valve Actuator with Fisher 67CFR ASCO Coil)**

#### **Pros:**

1. **Compatibility with Fisher Valves** The actuator is specifically designed for Fisher 3449 diaphragm valves, ensuring a seamless fit and reliable operation. This reduces the risk of misalignment or improper sealing, which can lead to leaks or valve failure.

2. **High-Quality Construction** Saunders actuators are known for durability and precision engineering. The diaphragm design provides smooth, consistent actuation, which is critical for applications requiring precise control, such as in chemical processing, water treatment, or HVAC systems.

3. **ASCO Coil Integration** The inclusion of an ASCO 67CFR coil (likely a solenoid) allows for electric actuation, enabling remote or automated control. This is advantageous in systems where manual operation is impractical or unsafe, such as in hazardous environments or where frequent adjustments are needed.

4. **Reliability in Critical Applications** Diaphragm actuators are well-suited for environments where sealing integrity is paramount, such as in corrosive or abrasive media. The 3449 series is commonly used in water treatment, wastewater, and industrial fluid handling, where leaks can cause significant downtime or contamination.

5. **Maintenance-Friendly Design** Diaphragm actuators typically require less maintenance than pneumatic or hydraulic actuators because they lack complex moving parts like pistons or cylinders. This can reduce long-term operational costs.

6. **Energy Efficiency** Electric solenoid actuation (via the ASCO coil) can be more energy-efficient than pneumatic systems, especially in applications where the valve is frequently cycled. It also eliminates the need for compressed air, which can be costly to generate and maintain.

7. **Versatility in Control Modes** The actuator can be configured for manual, electric, or pneumatic operation (if additional components are added), providing flexibility depending on the system s requirements.

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#### **Cons:**

1. **Cost** High-quality actuators like the Saunders 3449, especially with an integrated ASCO coil, can be expensive compared to generic or lower-end alternatives. The initial purchase price may be a significant investment, particularly for smaller operations or startups.

2. **Specialized Compatibility** While designed for Fisher 3449 valves, compatibility may require exact matching of valve and actuator models. Mismatches could lead to performance issues or void warranties. Verification with the manufacturer or a trusted supplier is essential.

3. **Dependence on Electric Power** The ASCO coil requires electricity to function. In the event of a power outage or electrical failure, the valve may not operate unless backup power (e.g., batteries or generators) is available. This could be a critical limitation in emergency shutdown systems or critical infrastructure.

4. **Potential for Coil Failure** Solenoid coils (like the ASCO 67CFR) are subject to wear and tear over time, especially in environments with high voltage fluctuations, moisture, or dust. Replacement coils can add to maintenance costs and downtime.

5. **Limited Availability of Parts** As a specialized actuator, finding replacement parts or technical support may be more challenging than with more common valve actuators. Stocking spare diaphragms, seals, or coils may require ordering from the manufacturer or authorized distributors.

6. **Installation Complexity** Proper installation requires alignment with the valve and secure mounting to prevent vibration or misoperation. Improper installation can lead to leaks, premature wear, or actuator failure. Training or professional assistance may be necessary.

7. **Potential for Overkill in Simple Applications** If the application does not require the precision or reliability of a diaphragm actuator (e.g., a basic on/off valve in a non-critical system), a simpler or lower-cost actuator might suffice. Investing in this actuator for minor applications could be unnecessary.

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### **Conclusion:**

The Saunders 3449-563-E2 diaphragm valve actuator with Fisher 67CFR ASCO coil is a robust, high-performance solution ideal for applications demanding precise control, reliability, and compatibility with Fisher 3449 valves. Its electric actuation capability, durability, and suitability for harsh environments make it a strong choice for industrial, water treatment, or chemical processing systems where failure is not an option.

However, the higher upfront cost, dependency on electricity, and potential maintenance challenges (particularly with the solenoid coil) must be carefully considered. This actuator is best suited for applications where its advantages outweigh its drawbacks such as in critical infrastructure, automated processes, or environments with corrosive or abrasive media. For less demanding applications, a lower-cost or simpler actuator may be a more practical choice.

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### **Recommendation:** **Purchase this actuator if:**

- You are working with Fisher 3449 diaphragm valves and require precise, reliable actuation.

- Your application involves critical control (e.g., water treatment, chemical processing, or HVAC systems where leaks or failures are unacceptable).

- Electric or automated control is essential, and backup power solutions are feasible.

- You can justify the cost based on long-term reliability and reduced maintenance needs.

**Avoid or explore alternatives if:**

- Your budget is constrained, and a lower-cost actuator would suffice for the application.

- The system lacks reliable electricity or requires frequent manual override.

- You are unsure about the exact compatibility with your valve model, and testing or verification is not possible.

- The application is simple (e.g., basic on/off control in a non-critical system), and a simpler actuator would meet your needs.

**Additional Considerations:**

- Verify the exact model compatibility with your Fisher valve to avoid mismatches.

- Factor in the cost of installation, potential backup power solutions, and long-term maintenance.

- Consult with a valve specialist or the manufacturer to ensure the actuator meets your specific operational requirements.

- Consider purchasing from an authorized distributor to ensure authenticity and warranty coverage.

Details:

This appears to be a 2 inch flanges diaphragm valve, model /part number 3449-563-E2, serial 151319. Condition: Used industrial surplus. Valve Type: Diaphragm. This assembly includes the valve body, pneumatic actuator, Fisher 67CFR air regulator, pressure gauge, ASCO solenoid coil, tubing, fittings, and attached Saunders diaphragm instruction tag.

Operation: Pneumatic / Air Operated. Includes only what is shown in the photos. The attached paper instruction tag is worn. Saunders 2 3449-563-E2 Flanges Diaphragm Valve with Pneumatic Actuator, Fisher 67CFR Regulator ASCO Solenoid Coil.

For sale is a used industrial Saunders / Crane diaphragm valve assembly. This item is used and shows normal cosmetic wear from storage previous installation. Multi surplus. Please review all photos carefully before purchasing.

Connection Type: Flanges. Condition Notes. Sold as pictured. Brand: Saunders / Crane.

part #: 3449563e2 price

  • $850.00

specifications valvesplumbing:

  • brand: Saunders
  • mpn: 3449-563-e2
  • part type: Valve Actuator Coil
  • unit type: Unit
  • valve operation: Air-operated
  • country of origin: United Kingdom

returns valvesplumbing:

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

payments valvesplumbing:

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offer valvesplumbing:

  • sold: 0
  • started: May 20, 2026
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home

shipping valvesplumbing:

  • type: Calculated
  • cost: $0.00
  • class: Standard, Expedited, One-day
  • carrier: USPS, FedEx, UPS
  • service: USPS Ground Advantage, FedEx 2Day, FedEx Priority Overnight, UPS Next Day Air Saver
  • transit: 3-8 Days

general valvesplumbing:

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

seller valvesplumbing:

  • city: Hidalgo, Texas
  • # reviews: 10203
  • rating: 99.7%
part type: valve actuator coil, unit type: unit, valve operation: air-operated, country of origin: united kingdom,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > valves manifolds, sku: 24607662805576762,
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1 offer $850.00 USD
  • Used. Offer #1 priced at $850.00 + $0.00 shipping estimate = $850.00* total. For sale is a used industrial Saunders / Crane diaphragm valve assembly. Saunders 2 Flanged Diaphragm Valve with Pneumatic Actuator, Fisher Regulator & ASCO Solenoid Coil.FREE SHIPPING

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