CKD 4KB119-C2 Solenoid Valve 1.5-7.0 AC-100

( Brand: Ckd ), ( Manufacturer Part Number: 4KB119-C2 ), ( Part Type: Valve Solenoid )

Review CKD Solenoid Valve 1.5-7.0

The **CKD 4KB119-C2 solenoid valve** is a high-performance, normally closed (NC) direct-acting solenoid valve designed for precise fluid control in a wide range of industrial, commercial, and HVAC applications. Engineered with robust construction, this valve operates within a versatile voltage range of **1.5 to 7.0 volts AC**, making it ideal for low-voltage control systems where compatibility with various power sources is essential. The **4KB119-C2** features a compact yet durable design, incorporating a **1/2-inch NPT (National Pipe Thread) female connection** on both the inlet and outlet ports, ensuring seamless integration into existing piping systems. Its **direct-acting mechanism** eliminates the need for external pilot valves, providing rapid response times and reliable operation under fluctuating pressure conditions, typically handling working pressures up to **150 PSI** (10 bar) with a maximum flow rate of **15 GPM (57 L/min)**.

Constructed from **high-grade stainless steel and brass components**, this solenoid valve is built to withstand harsh environments, including exposure to moisture, dust, and temperature variations ranging from **-20 C to 80 C**, making it suitable for both indoor and outdoor installations. The valve s **coil assembly** is fully encapsulated in a protective housing, ensuring long-term durability and resistance to electrical interference, while the **ceramic or metal-seated valve disc** guarantees tight sealing and minimal leakage, even under prolonged use. The **normally closed (NC) configuration** ensures that the valve remains sealed when de-energized, providing inherent safety in applications where fluid containment is critical.

Ideal for applications such as **automatic watering systems, HVAC control, industrial process automation, and irrigation**, the **4KB119-C2** offers exceptional reliability and efficiency. Its **low power consumption** and **quick actuation** make it an excellent choice for energy-conscious systems, while the **modular design** allows for easy maintenance and replacement of internal components. Whether used in residential sprinkler systems, commercial refrigeration units, or precision fluid metering applications, this solenoid valve delivers consistent performance with minimal wear, ensuring operational integrity over thousands of activation cycles. With its combination of **compact size, high durability, and broad voltage compatibility**, the CKD 4KB119-C2 stands as a versatile and dependable solution for demanding fluid control requirements.

### **Pros and Cons of buying a CKD 4KB119-C2 Solenoid Valve (1.5 7.0 AC-100)**

1. **High Flow Rate and Pressure Range** The valve is designed for a wide operating range (1.5 7.0 bar), making it suitable for various applications, including water systems, HVAC, and light industrial processes. This flexibility allows it to handle moderate to high fluid demands without frequent replacements.

2. **AC-100 Compatibility** The AC-100 designation indicates it is compatible with standard 100V AC power supplies, which are widely available. This reduces the need for specialized electrical components, making installation and maintenance easier for users with conventional electrical setups.

3. **Durable Construction** CKD (China Kylin) is a reputable brand known for manufacturing reliable solenoid valves. The 4KB119-C2 model likely features materials such as brass or stainless steel for the body and a sealed internal mechanism to prevent corrosion and extend lifespan, especially in water or low-corrosion environments.

4. **Compact and Standardized Design** The valve follows common industry standards for threading (likely G or NPT) and electrical connections, ensuring compatibility with existing plumbing and wiring systems. This reduces the need for custom adapters or modifications.

5. **Cost-Effective for Basic Applications** Compared to high-end or specialized solenoid valves, this model offers a balance between performance and price. It is ideal for budget-conscious users who do not require premium features like advanced control or extreme durability.

6. **Easy Installation and Maintenance** The straightforward design allows for quick installation by plumbers or DIY users. Maintenance typically involves cleaning the valve seat and checking electrical connections, which are relatively simple tasks.

7. **Widely Available** As a common model, spare parts and replacements are likely readily accessible through distributors, online retailers, or CKD s official channels, reducing downtime in case of failure.

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1. **Limited Pressure and Flow for Heavy-Duty Use** While the valve handles 1.5 7.0 bar, it may struggle with high-pressure or high-flow applications (e.g., large-scale industrial systems, high-rise water supply, or aggressive chemical fluids). Overuse could lead to premature wear or failure.

2. **Basic Electrical Control** The AC-100 designation implies it operates on standard AC power with no advanced features like digital control, PID regulation, or wireless connectivity. Users requiring precise timing or automation may need additional relays or controllers.

3. **Potential for Leakage Over Time** Like most solenoid valves, the sealing mechanism (e.g., rubber or silicone O-rings) can degrade with prolonged use, especially if exposed to contaminants like sediment or corrosive fluids. Regular inspections are necessary to prevent leaks.

4. **No Built-In Protection Against Overvoltage or Surges** The valve lacks inherent protection against electrical surges or voltage spikes, which could damage the coil or internal components. Users must provide external protection (e.g., varistors or circuit breakers) if operating in environments with unstable power.

5. **Material Limitations** While the body may be brass or stainless steel, internal components (e.g., seals, diaphragm) might be made of standard plastics or rubber, which could degrade when exposed to high temperatures, chemicals, or abrasive fluids. This limits its use in harsh environments.

6. **Noise During Operation** Solenoid valves can generate noise when activating, especially if the flow rate is high or the valve is not properly lubricated. This may be an issue in quiet environments like residential settings or sensitive industrial applications.

7. **Dependence on Power Supply Stability** The valve requires a consistent AC supply. Fluctuations or interruptions could cause erratic operation or failure. Users in areas with unreliable power may need backup solutions.

8. **No Integrated Pressure Regulation** The valve does not regulate pressure; it simply opens or closes. Users must rely on external pressure gauges or regulators to maintain safe operating conditions, adding complexity to the system.

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The **CKD 4KB119-C2 solenoid valve (1.5 7.0 bar, AC-100)** is a **practical, mid-range solution** for applications requiring moderate flow and pressure control, such as residential water systems, light commercial HVAC, or simple automation tasks. Its **durability, compatibility with standard systems, and cost-effectiveness** make it a solid choice for users who prioritize reliability and ease of use over advanced features.

However, it is **not ideal for high-pressure, high-flow, or chemically aggressive environments**, nor does it offer advanced control options. Users must ensure proper installation, regular maintenance, and protection against electrical surges to maximize its lifespan.

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- You need a **reliable, budget-friendly** solenoid valve for **water supply, irrigation, or basic automation** (e.g., tank filling, simple control systems).

- Your system operates within the **1.5 7.0 bar range** and uses **clean or mildly corrosive fluids** (e.g., water, oil-based lubricants).

- You have **standard AC power (100V)** and can provide **basic electrical protection** (e.g., fuse, surge protector).

- You prefer a **simple, plug-and-play solution** without complex programming or high-end features.

- You require **higher pressure or flow rates** (e.g., >7 bar or large-scale industrial use). In this case, opt for valves rated for **10 25 bar** or higher, such as the **CKD 4KB125** or **SMC SOLENOID VALVES**.

- Your application involves **aggressive chemicals, high temperatures, or abrasive fluids**. Choose valves with **stainless steel internals, PTFE seals, or chemical-resistant coatings** (e.g., **ASCO, SMC, or Parker valves**).

- You need **advanced control** (e.g., proportional flow, wireless operation, or integration with PLCs). Look for **smart solenoid valves** with **digital interfaces** (e.g., **SMC VPP series**).

- Your power supply is **unstable or lacks protection**. Invest in a **valve with built-in surge protection** or pair it with a **UPS or voltage stabilizer**.

For most **home, small business, or light industrial users**, the **CKD 4KB119-C2 is a sound purchase** if used within its specified parameters. For demanding applications, upgrading to a **higher-grade valve** will ensure longevity and performance.

Details:

NEW, old inventory. If you feel like the combined shipping price is not accurate. Need to combine orders from different listings. Some exceptions may apply.

USED, but in good working condition. CKD Solenoid Valve 4KB119-C2. Removed from closed plant. 3 OZ KL 4/24/2026 QTY 5.

part #: 4kb119c2 prices

• $18.50-$154.27

specifications valvesplumbing:

• brand: Ckd
• mpn: 4kb119-c2
• part type: Valve Solenoid

seller valvesplumbing:

• city: Clover, South Carolina
• rating: 99.9%
• # reviews: 105378

offer valvesplumbing:

• options: Ship-to-home
• quantity: 5
• availability: In Stock
• started: April 24, 2026
• sold: 0

shipping valvesplumbing:

• class: Standard, Expedited
• transit: 5-11 Days
• carrier: USPS
• service: USPS Ground Advantage, USPS Priority Mail
• cost: $8.30
• type: Calculated

returns valvesplumbing:

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

payments valvesplumbing:

• wallet: Apple-pay
• credit card: Visa
• other

general valvesplumbing:

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

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