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Help CenterAir-Operated Zero Leakage Plunger Valve, 1/2 to 2 Inch Port, for Hydraulic Test Bench Piping, 10,000 PSI Rated
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, is a dedicated manufacturer of high-performance industrial valves. Our Air-Operated Zero Leakage Plunger Valve is specifically engineered for hydraulic test bench piping systems, delivering reliable shut-off and precise control at pressures up to 10,000 PSI. With an annual export value of US$1–1.5 million and ISO9001 certification, we ensure that every valve meets rigorous quality standards, making it a trusted choice for professionals worldwide.
This valve combines a robust plunger design with pneumatic actuation, offering zero leakage performance even under extreme pressure cycles. Whether you are testing components, calibrating instrumentation, or managing high-pressure fluid lines, our valve guarantees consistent performance, minimal maintenance, and long service life. Available in port sizes from 1/2 to 2 inches, it can be customized to fit your specific piping configuration.
Key Features & Technical Specifications
- Zero Leakage Design: Precision-machined plunger and seat ensure bubble-tight shut-off, eliminating fluid loss and contamination risks.
- Air-Operated Actuation: Pneumatic cylinder provides fast, reliable opening and closing, ideal for automated test benches.
- High Pressure Rating: 10,000 PSI (690 bar) working pressure, suitable for demanding hydraulic applications.
- Versatile Port Sizes: 1/2", 3/4", 1", 1-1/2", and 2" available, with NPT, BSP, or flanged connections.
- Durable Materials: Constructed from stainless steel or carbon steel with corrosion-resistant coating, optional for special media.
- Low Maintenance: Self-lubricating seals and replaceable seat reduce downtime and extend service intervals.
- Compact Design: Space-saving footprint allows easy integration into existing test bench layouts.
| Parameter | Specification |
|---|---|
| Pressure Rating | 10,000 PSI (690 bar) |
| Port Size Range | 1/2" – 2" (DN15 – DN50) |
| Operating Temperature | -20°C to +120°C (customizable up to 200°C) |
| Actuation Air Pressure | 40 – 120 PSI (2.8 – 8.3 bar) |
| Connection Type | NPT, BSP, Flanged (optional) |
| Body Material | Stainless Steel 316 / Carbon Steel (optional) |
| Seal Material | PTFE, PEEK, or Metal-to-Metal (zero leakage) |
| Certification | ISO9001:2015 |
Why Choose Our Valve for Your Hydraulic Test Bench? The plunger valve offers superior sealing compared to traditional ball or gate valves, especially under high-pressure cycling. Its air-operated design allows remote control and integration with PLC systems, improving safety and efficiency in test environments. The zero-leakage feature prevents pressure drops and fluid waste, ensuring accurate test results and reducing operational costs. Additionally, the valve is designed for quick disassembly and seal replacement, minimizing downtime.
Trust & Reliability
Shanghai Zhibang Valve Manufacture Co., Ltd. is a factory-direct manufacturer with over 8 years of experience in valve production. We hold ISO9001:2015 certification, ensuring our quality management system meets international standards. Our valves are exported to North America, South America, Europe, Southeast Asia, Africa, the Middle East, and Oceania, with an annual export value of US$1–1.5 million. We ship from Shanghai, Guangzhou, Hong Kong, and Beijing ports, providing flexible logistics. Each valve undergoes rigorous pressure testing and leak testing before delivery. With a dedicated technical support team, we offer customized solutions, prompt after-sales service, and competitive pricing. Contact us today to discuss your specific requirements or request a quotation—we are confident our valve will exceed your expectations.
Frequently Asked Questions (FAQ)
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Q: Can this valve be used for gases other than hydraulic oil?
A: Yes, the valve is compatible with a wide range of fluids and gases, including water, oil, air, and nitrogen. However, for aggressive media, please consult our technical team to select the appropriate seal material. -
Q: What is the maximum operating temperature for the valve?
A: Standard temperature range is -20°C to +120°C. For higher temperatures up to 200°C, we offer optional seal materials such as PEEK or metal-to-metal. -
Q: Does the valve require a separate air supply or can it be manual?
A: This model is air-operated (pneumatic). If you need a manual handwheel version, we can provide a manual plunger valve as a custom option. -
Q: How do I install the valve in my test bench piping?
A: The valve is typically installed with threaded connections (NPT or BSP). Ensure the piping is clean and properly aligned. For flanged connections, we supply matching flanges and bolts. -
Q: What maintenance is required for long-term reliability?
A: Regularly inspect the air actuator for leaks, and lubricate the plunger stem as needed. The seals should be replaced after every 10,000 cycles or as recommended in the manual. -
Q: Do you provide test certificates or third-party inspection?
A: Yes, we provide material certificates, pressure test reports, and can arrange third-party inspection (e.g., by SGS, BV) upon request. -
Q: What is the lead time for this valve?
A: Standard lead time is 15–20 working days for orders up to 50 units. Custom configurations may require additional time. Please contact us for current availability. -
Q: Can I get a sample before placing a bulk order?
A: Yes, sample orders are welcome. We can provide a single unit for testing. The sample price is 100% of the product value, with a refund policy for bulk orders.
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