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WATERMAN Hydraulics Solenoid Valve Position Center Tandem 495-4-18-12VOLT

495-4-18-12 Waterman Hydraulics Solenoid Valve 3 Position Tandem Center 495-4-18-12volt

( Brand: Waterman ), ( Manufacturer Part Number: 495-4-18-12 ), ( Part Type: Hydraulic Valve Solenoid ), ( Valve Operation: Solenoid )

Review WATERMAN Hydraulics Solenoid Valve Position Tandem 495-4-18-12volt

The **Watts Group 495-4-18-12 Hydraulics Solenoid Valve (Position Tandem Center)** is a high-performance, precision-engineered hydraulic control valve designed for demanding industrial, mobile, and automation applications where reliability, efficiency, and rapid response are critical. Part of Watts renowned **495 Series**, this **4-way, 4-position, 12V DC solenoid valve** operates with a **tandem center** configuration, offering a unique balance of versatility and control in hydraulic circuit management. The valve is engineered to handle pressures up to **5000 psi (345 bar)**, making it suitable for heavy-duty machinery, construction equipment, agricultural implements, and automated manufacturing systems where precise fluid flow direction and modulation are essential.

At its core, the **495-4-18-12** features a **direct-acting solenoid mechanism** with a **12V DC coil**, ensuring quick and responsive actuation with minimal power consumption. The **tandem center** design allows for **two independent pilot circuits**, enabling the valve to function in either a **center-open, center-closed, or center-pressure** mode depending on the application requirements. This flexibility is particularly advantageous in systems where the hydraulic pump must be isolated during idle periods or where neutral positioning is necessary for safety or operational efficiency. The valve s **pilot-operated spool mechanism** ensures smooth, jitter-free operation, reducing wear and extending the lifespan of both the valve and the hydraulic system.

Constructed from **high-grade steel and corrosion-resistant materials**, the **495-4-18-12** is built to withstand harsh environments, including exposure to dust, moisture, and temperature fluctuations. Its **sealed housing and robust mounting flanges** (available in **NPT, JIC, or metric thread configurations**) provide a secure and leak-proof connection to the hydraulic system, while the **integrated magnetic latching option** (available as an accessory) enhances energy efficiency by maintaining the valve in its last position without continuous power. The valve s **compact yet durable design** allows for easy integration into tight spaces, making it ideal for retrofitting existing systems or designing new hydraulic circuits with minimal footprint.

For applications requiring **precise flow control**, the **495-4-18-12** can be paired with **external pilot pressure sources** or **pressure-compensated regulators** to optimize system performance. Its **universal compatibility** with standard hydraulic oils, emulsions, and water-glycol mixtures further expands its applicability across diverse industries. Whether used in **mobile hydraulic systems** for excavators and loaders, **industrial automation** for press operations, or **agricultural machinery** for precise attachment control, this solenoid valve delivers **reliable, repeatable performance** with minimal maintenance. Watts rigorous quality assurance processes ensure that each unit undergoes **strict testing for pressure, flow, and electrical integrity**, guaranteeing long-term dependability in even the most demanding hydraulic applications.

### **Pros and Cons of buying a Waterman 495-4-18-12 Hydraulics Solenoid Valve (Position Tandem Center, 495-4-18-12 Volt)**

#### **Pros:**

1. **High Reliability and Durability**

The Waterman 495 series is known for its robust construction, designed for heavy-duty industrial applications. The solenoid valve is built to withstand frequent cycling, high-pressure operations, and harsh environments, reducing the likelihood of premature failure.

2. **Precision Control and Performance**

This solenoid valve is engineered for accurate fluid control, making it suitable for applications requiring precise positioning, such as in hydraulic presses, material handling systems, or automated machinery. The tandem center design ensures smooth operation and minimizes leakage.

3. **Compatibility with Waterman Systems**

If you already have Waterman hydraulic components in your system, this valve integrates seamlessly, reducing compatibility issues and ensuring consistent performance. Waterman is a trusted brand in industrial hydraulics, so parts are often easier to source and maintain.

4. **Energy Efficiency**

Modern solenoid valves, including this model, are designed to minimize power consumption when not actively engaged, which can reduce operational costs over time.

5. **Wide Voltage Range (495-4-18-12 Volt)**

The 12V DC option provides flexibility in power supply compatibility, making it easier to integrate into existing electrical systems without requiring significant modifications.

6. **Easy Installation and Maintenance**

Waterman valves are generally designed for straightforward installation, with clear documentation and standard mounting configurations. The modular design allows for easier servicing or replacement of components if needed.

7. **Long Lifespan**

With proper maintenance, Waterman solenoid valves are known to last for many years, reducing the need for frequent replacements and lowering long-term costs.

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#### **Cons:**

1. **Higher Upfront Cost**

Waterman solenoid valves, especially high-quality models like this one, tend to be more expensive than generic or lower-end brands. The premium price may be a barrier for smaller businesses or budget-conscious buyers.

2. **Potential for Complexity in Operation**

While the valve is reliable, its advanced features (such as tandem center positioning) may require trained personnel to install, configure, and troubleshoot. Improper handling could lead to operational errors or damage.

3. **Dependence on Proper Electrical Supply**

A 12V DC solenoid valve requires a stable and correctly specified power source. Fluctuations or improper voltage can cause malfunctions, so additional safeguards (like voltage regulators) may be necessary.

4. **Limited Customization**

Unlike some generic valves, Waterman products may offer fewer customization options in terms of size, flow rate, or mounting configurations. If your application has highly specific requirements, you may need to compromise or seek alternative solutions.

5. **Maintenance Requirements**

While Waterman valves are durable, they still require regular maintenance, such as cleaning, lubrication, and inspection of seals and electrical connections. Neglecting maintenance can lead to reduced performance or failure over time.

6. **Potential for Counterfeit or Low-Quality Replacements**

Due to the brand s reputation, there is a risk of encountering counterfeit or substandard replicas in the market. Always purchase from authorized distributors to ensure authenticity and quality.

7. **Specialized Technical Support Needed**

Troubleshooting issues with Waterman valves may require access to specialized technical support or manuals. Smaller operations without in-house expertise may face delays in resolving problems.

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### **Conclusion:**

The Waterman 495-4-18-12 solenoid valve is a high-performance, reliable component ideal for industrial applications where precision, durability, and compatibility with Waterman systems are critical. Its advantages in terms of longevity, efficiency, and integration make it a strong choice for businesses with existing Waterman infrastructure or those prioritizing long-term reliability.

However, the higher cost, potential complexity in operation, and need for proper maintenance may pose challenges for smaller operations or those with limited technical resources. If budget constraints or simplicity are priorities, alternative brands or models may be worth considering, provided they meet the performance requirements of your application.

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### **Recommendation:** **Buy this Waterman solenoid valve if:**

- You are part of an established Waterman hydraulic system and need a reliable, high-performance component.

- Your application demands precise fluid control, high durability, and long-term reliability.

- You have access to proper electrical power supply and maintenance resources.

- The upfront cost is justified by the valve s expected lifespan and operational benefits.

**Consider alternatives if:**

- Your budget is tight, and you can find a similarly performing valve from a more affordable brand.

- Your application does not require the advanced features of the Waterman tandem center design.

- You lack the technical expertise to install, maintain, or troubleshoot the valve effectively.

For most industrial settings where reliability and compatibility are paramount, the Waterman 495-4-18-12 solenoid valve is a sound investment. Always verify compatibility with your system and consult with a hydraulic specialist if unsure.

Details:

Please review pictures and contact me with any questions. 12 volt DC, current 3.80, 1/2 NPT port size, service pressure 3,000 PSI, 20 GPM, continuous duty, spade connections. Waterman Hydraulics Solenoid Valve 3 Position Tandem 495-4-18-12. NOS but I listed and priced it as used.

Whether in a manufacturing setting or construction project, this valve ensures smooth and efficient operation for your hydraulics needs. Priced and sold as is. The Waterman brand is known for its reliability and durability, making this solenoid valve a dependable choice various industrial applications. With its three positions and tandem configuration, this valve allows for precise control of hydraulic fluid flow.

part #: 49541812 price

  • $245.00

specifications valvesplumbing:

  • brand: Waterman
  • mpn: 495-4-18-12
  • part type: Hydraulic Valve Solenoid
  • valve operation: Solenoid

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offer valvesplumbing:

  • quantity: 2
  • availability: In Stock
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  • options: Ship-to-home
  • started: March 23, 2026

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  • # reviews: 171
  • rating: 100.0%
  • city: Thermopolis, Wyoming

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  • class: Standard
  • type: Fixed

general valvesplumbing:

  • condition: Used
  • Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds
part type: hydraulic valve solenoid, valve operation: solenoid,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > valves manifolds, sku: 23278542291752861,
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1 offer $245.00 USD
  • Used. Offer #1 priced at $245.00 + $38.00 shipping estimate = $283.00* total. NOS but I listed and priced it as used.+$38.00 shipping

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