Product Description:
The 8.7AA Series is a 2/2-way normally closed direct-acting solenoid valve designed specifically for high-pressure fluid control applications. It can handle pressures up to 300 bar (4,300 PSI), making it highly suitable for demanding environments. This valve offers dependable ON/OFF operation for various media such as water, air, gas, and other neutral liquids.
Thanks to its direct-acting mechanism, the valve ensures reliable performance even at zero differential pressure. This feature makes it an excellent choice for applications that require precise control throughout the entire pressure range. Its robust construction includes a Stainless Steel 304 body combined with PTFE sealing, providing excellent durability, corrosion resistance, and leak-tight operation under extreme conditions.
The 8.7AA Series is available with port sizes from 1/8″ to 1/2″ and orifice sizes between 1mm and 3mm. These options offer flexible flow control capabilities with Cv values ranging from 0.03 to 0.25. Produced in Ningbo, China, this valve is recognized worldwide for its high quality and reliable performance in high-pressure systems.
Features:
High-Pressure Capability
This valve is designed to handle demanding high-pressure applications with a maximum working pressure of up to 300 bar (4,300 PSI). It ensures robust performance even under extreme pressure conditions.
Wide Temperature Range
Suitable for use in both cryogenic and high-temperature environments, the valve supports media temperatures ranging from -60°C to +200°C. This broad temperature compatibility makes it versatile for various industrial applications.
Direct Acting Operation
Featuring a spring-return mechanism, the valve can operate starting from zero differential pressure (0 bar). This design guarantees reliable functionality across the entire pressure spectrum.
2/2 Way Normally Closed Function
The spring-return mechanism ensures that the valve remains closed when de-energized, providing a fail-safe operation that enhances system safety and reliability.
Stainless Steel 304 Body
Constructed from premium SS304 stainless steel, the valve body offers exceptional corrosion resistance and strong structural integrity. This makes it ideal for long-term use in harsh and demanding environments.
PTFE Seal Material
Equipped with high-performance PTFE seals, the valve delivers excellent leak-tight sealing, outstanding chemical resistance, and thermal stability, ensuring dependable sealing performance over time.
Multiple Orifice Sizes
The valve is available with orifice sizes of 1mm, 1.5mm, 2mm, 2.5mm, and 3mm. This variety allows for precise flow control with Cv values ranging from 0.03 to 0.25.
Wide Port Size Range
Port sizes offered include 1/8″, 1/4″, 3/8″, and 1/2″, providing flexible options to facilitate integration into different system configurations.
Multiple Voltage Options
Compatible with a variety of control systems, the valve supports multiple voltage inputs: 12VDC, 24VDC, 24VAC, 110VAC, and 220VAC (50/60Hz).
High Production Capacity
With a robust production capacity of 500,000 pieces annually and 5,000 pieces weekly, the manufacturer ensures a reliable supply chain capable of fulfilling bulk orders efficiently.
Technical Parameters:
| Orifice Size |
1mm To 3mm |
| Voltage |
12VDC, 24VDC, 24VAC, 110VAC, 220VAC |
| Port Size |
1/8'', 1/4'', 3/8'', 1/2'' |
| Function |
2 Way Normally Closed |
| Working Media |
Water, Air, Gas, Liquid |
| Seal Material |
PTFE |
| Body Material |
Stainless Steel 304 |
| Media Temperature |
-60 To +200℃ |
This air valve is designed for efficient control of air, water, gas, and liquid flow. The air valve features a durable stainless steel 304 body and PTFE seal material, ensuring longevity and reliability in various applications.
| Model No |
Port Size |
Orifice Size |
Cv |
Max Pressure |
Body |
Seal |
Voltage |
| AC |
DC |
| 8.7AAS010BXX |
1/8''
1/4''
3/8''
1/2'' |
1mm |
0.03 |
300 bar |
180 bar |
SS304 |
PTFE |
12VDC
24VDC
24VAC
110VAC
220VAC |
| 8.7AAS015BXX |
1.5mm |
0.07 |
250 bar |
150 bar |
| 8.7AAS020BXX |
2mm |
0.14 |
200 bar |
120 bar |
| 8.7AAS025BXX |
2.5mm |
0.21 |
160 bar |
80 bar |
| 8.7AAS030BXX |
3mm |
0.25 |
100 bar |
40 bar |
Applications:
Hydraulic Systems
High-pressure hydraulic control plays a crucial role in industrial machinery and equipment. These systems enable precise and powerful movement, essential for the operation of heavy-duty machines.
Pneumatic Systems
In automation and processing lines, high-pressure air and gas control is vital. Pneumatic systems provide efficient and reliable control solutions for a wide range of industrial applications.
Water Jet Cutting
Water jet cutting technology utilizes ON/OFF control of high-pressure water, which is employed for precise cutting and cleaning purposes. This method is effective in various manufacturing and maintenance tasks.
Oil & Gas Industry
Controlling high-pressure fluids and gases is fundamental in the oil and gas sector. From extraction to processing and distribution, these control systems ensure safety and operational efficiency.
Chemical Processing
Chemical plants require specialized control over corrosive and high-pressure fluids. Robust systems are necessary to maintain operational integrity and prevent hazards in such environments.
Test & Measurement
Pressure testing rigs and calibration equipment depend on accurate high-pressure control. This ensures precise measurements and reliable validation of industrial components.
Industrial Equipment
Manufacturing and processing machinery rely on high-pressure fluid control to function effectively. These systems facilitate smooth and consistent operations in diverse industrial settings.
Research Laboratories
In research laboratories, precision control of fluids under high-pressure and high-temperature conditions is essential. Such control supports advanced experimental setups and scientific investigations.
Customization:
At DKE, we offer comprehensive product customization services for our Pneumatic Solenoid Valve, model number 8.7AA. Manufactured in China and certified with CE, this high-quality solenoid valve is designed to meet diverse industrial needs.
Our customization options include tailored specifications for the air valve, water valve, and other applications involving various working media such as water, air, gas, and liquid. The valve features a 2 Way Normally Closed function, a stainless steel 304 body material, and an orifice size ranging from 1mm to 3mm, with media temperature tolerance from -60 to +200℃.
We accommodate minimum order quantities starting from 1 piece, with packaging securely done in cartons to ensure safe delivery. Our supply ability is robust, capable of fulfilling up to 5000 pieces per month.
Pricing is negotiable to best fit your project requirements, and we ensure prompt delivery within 1-7 work days after payment. Payment terms are flexible, accepting T/T, Western Union, and Paypal transactions.
Whether you require a customized solenoid valve for air valve systems or water valve applications, DKE is committed to providing reliable and efficient pneumatic solenoid valve solutions tailored to your needs.
Support and Services:
Our Pneumatic Solenoid Valve product is backed by comprehensive technical support and services to ensure optimal performance and reliability. We provide detailed installation guides, troubleshooting manuals, and maintenance instructions to assist users in maximizing the valve's functionality.
Technical support is available to address any operational questions or issues that may arise. Our team of experts can help diagnose problems, suggest solutions, and provide recommendations for system integration and customization.
Additionally, we offer repair and replacement services for defective units under warranty. Regular maintenance services are also available to extend the lifespan of your pneumatic solenoid valves and maintain system efficiency.
For customers requiring tailored solutions, we provide consultation services to help specify the right valve configurations and accessories to meet unique application requirements.
We are committed to delivering high-quality support to ensure your pneumatic solenoid valves operate seamlessly in your applications.
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