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Help CenterSpring Return Pneumatic Actuated Plunger Valve PN16 Flanged Connection for Automated Pipeline Flow Control
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Shanghai Zhibang Valve Manufacture Co., Ltd. is a professional manufacturer established in 2016, specializing in high-quality valve solutions for industrial automation. Our Spring Return Pneumatic Actuated Plunger Valve PN16 Flanged Connection combines reliable plunger technology with a spring-return pneumatic actuator, ensuring fail-safe operation in critical pipeline control systems. Designed for automated flow regulation, this valve offers precise shut-off, low maintenance, and long service life, making it a cost-effective choice for process industries worldwide.
This valve excels in applications requiring tight shut-off and dependable actuation. The spring-return mechanism guarantees that the valve returns to its default position (either normally closed or normally open) in case of air supply failure, enhancing system safety. The flanged connection conforms to PN16 standard, ensuring easy installation and compatibility with international piping systems. Below are the key technical specifications and features:
| Parameter | Specification |
|---|---|
| Valve Type | Pneumatic Actuated Plunger Valve |
| Actuator Type | Pneumatic with Spring Return (Fail-Safe) |
| Connection Standard | Flanged PN16 (EN 1092-1) |
| Pressure Rating | PN16 (16 bar) |
| Size Range | DN50 – DN300 |
| Body Material | Cast Iron / Ductile Iron / Carbon Steel (optional) |
| Seal Material | PTFE / NBR / EPDM (optional) |
| Operating Pressure | 4 – 8 bar (pneumatic supply) |
| Temperature Range | -20°C to +150°C (depending on seal) |
| Certification | ISO9001 |
Product Features & Benefits:
- Spring Return Actuator: Ensures automatic valve closure or opening upon loss of air pressure, providing fail-safe operation for critical processes.
- Plunger Design: The one-piece plunger and seat offer a straight-through flow path with minimal pressure drop, reducing energy consumption.
- Flanged Connection PN16: Compatible with standard flanges, easy to install and maintain, suitable for a wide range of pipeline systems.
- High Durability: Body materials available in cast iron, ductile iron, or carbon steel, with PTFE or elastomeric seals for long service life even in abrasive or corrosive media.
- Low Maintenance: Simple structure with fewer moving parts compared to ball or butterfly valves, lowering downtime and replacement costs.
- Automation Ready: Can be integrated with positioners, solenoid valves, limit switches, and feedback devices for remote monitoring and control.
- Customizable Options: Available in different sizes, materials, seal types, and actuation configurations (on/off or modulating) to meet specific application requirements.
Our plunger valve is widely used in automated pipeline systems for water treatment, chemical processing, oil & gas, power generation, and HVAC. The spring-return actuator provides reliable safety in emergency shutdown scenarios, while the PN16 flanged interface ensures compatibility with international standards. Whether you need a simple on-off valve or a precise modulating control valve, this product can be tailored to your process needs.
Why Choose Shanghai Zhibang Valve Manufacture Co., Ltd.?
Since 2016, we have been dedicated to providing high-quality valve solutions to customers worldwide. With an annual export value of US$1 Million – US$1.5 Million, we export to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. Our factory is ISO9001 certified, and we strictly adhere to quality control from raw material inspection to final testing. All valves are tested for pressure and leakage before shipment. We offer competitive pricing, fast delivery via ports of Shanghai, Guangzhou, Hong Kong, and Beijing, and professional after-sales support. Trust our expertise to deliver reliable flow control solutions for your automated pipeline systems.
Contact us today for a quote or technical consultation. We are ready to customize the valve to your exact specifications and provide long-term partnership.
Frequently Asked Questions
-
What is the fail-safe position of the spring return actuator?
By default, the actuator can be configured as normally closed (spring to close) or normally open (spring to open). Please specify your requirement when ordering. -
Can this valve be used for steam service?
Yes, with appropriate seal material (e.g., PTFE or high-temperature EPDM) and body material, it can handle saturated steam up to 150°C. Confirm with our engineers for higher temperatures. -
What is the minimum operating air pressure for the actuator?
The recommended pneumatic supply pressure is 4–8 bar. Lower pressure may affect the speed and torque of the actuator. -
Are limit switches or positioners available?
Yes, we can integrate mechanical or proximity limit switches, as well as analog or digital positioners for modulating control. -
How do I select the correct size for my pipeline?
Size selection depends on flow rate, pressure drop, and media characteristics. Please provide your operating conditions, and our technical team will recommend the appropriate size. -
What is the lead time?
Standard sizes (DN50–DN200) typically ship within 15–25 working days. Custom configurations may require longer lead time; please inquire. -
Do you provide a warranty?
Yes, we offer a 12-month warranty from the date of shipment against manufacturing defects. Extended warranty is available upon request. -
What certifications do you have?
Our factory is ISO9001 certified. We can also provide material certificates, pressure test reports, and other documentation as needed.
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