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Help CenterZero Leakage Plunger Valve Used in Offshore Hydraulic Test Bench Piping, High Pressure Fluid Control, 10,000 PSI
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Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our Zero Leakage Plunger Valve, specifically engineered for offshore hydraulic test bench piping and high-pressure fluid control systems. With a robust design rated at 10,000 PSI, this valve delivers unmatched sealing integrity and reliability in the most demanding marine environments. Since 2016, we have been dedicated to manufacturing precision valves that meet international standards, and our ISO9001-certified facility ensures every valve undergoes rigorous quality checks before shipment.
This plunger valve is the ideal solution for applications requiring zero leakage, such as subsea pressure testing, hydraulic power units, and high-pressure fluid transfer systems. Its innovative design minimizes internal bypass, reduces maintenance downtime, and provides consistent performance even under extreme pressure fluctuations. Whether you are retrofitting existing test benches or building new offshore platforms, this valve ensures operational safety and efficiency.
Key Features & Technical Specifications
- Zero Leakage Design: Precision-machined plunger and seat create a metal-to-metal seal that prevents any fluid escape, even at 10,000 PSI.
- High Pressure Capability: Rated for continuous operation at 10,000 PSI (690 bar) with burst pressure far exceeding working limits.
- Corrosion Resistance: Available in stainless steel or carbon steel with optional coatings for offshore saltwater environments.
- Low Operating Torque: Optimized stem and plunger geometry reduce actuation force, allowing easy manual or automated control.
- Long Service Life: Hardened wear surfaces and replaceable components extend maintenance intervals and reduce total cost of ownership.
- Customizable Connections: Flanged (ANSI/ASME B16.5) or threaded (NPT/BSP) ends available per your system requirements.
- Compact & Lightweight: Space-saving envelope compared to traditional globe or gate valves, ideal for congested skid layouts.
| Parameter | Value |
| Pressure Rating | 10,000 PSI (690 bar) |
| Temperature Range | -20°C to +120°C (standard) |
| Body Material | 316 SS / F304 / F316 (optional) |
| Seal Material | Metal-to-metal / PTFE backup (optional) |
| Connection Sizes | 1/2" to 2" (DN15 to DN50) |
| End Connections | Flanged (150#-2500#) or Threaded (NPT/BSP) |
| Actuation | Manual handle, pneumatic, or hydraulic (optional) |
Why Choose Shanghai Zhibang Plunger Valve?
Our Zero Leakage Plunger Valve is engineered to outperform conventional valves in high-pressure test bench applications. The unique plunger geometry ensures that the sealing surface is self-cleaning, reducing the risk of particle entrapment. Additionally, the valve can be fully disassembled for inspection without removing the body from the pipeline, significantly simplifying maintenance.
For offshore operators, reliability is paramount. This valve has been tested to comply with API 6A and ISO 10423 standards (available upon request). The zero-leakage feature eliminates the environmental and safety hazards associated with fugitive emissions, making it an environmentally responsible choice.
Trust & Capability
Shanghai Zhibang Valve Manufacture Co., Ltd. has been a trusted supplier since 2016, with an annual export value of US$1 Million – US$1.5 Million. Our products are shipped to over 15 countries and regions, including North America, Europe, Southeast Asia, and the Middle East. We are ISO9001 certified, and every valve is individually pressure-tested and documented. Our main ports of shipment are Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring fast global logistics.
We understand the critical nature of offshore systems. That is why we offer comprehensive technical support, CAD drawings, and customized solutions for your specific piping layout. Whether you need a single valve or a complete manifold assembly, our engineering team is ready to assist.
Contact us today to request a quotation or to discuss your high-pressure fluid control requirements. Experience the difference of a valve that truly delivers zero leakage.
Frequently Asked Questions (FAQ)
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Q: What does "zero leakage" mean in practical terms?
A: It means the valve exhibits no measurable internal or external leakage under rated pressure, typically tested with gas or liquid. Our design achieves a bubble-tight seal. -
Q: Can this valve be used with seawater or other corrosive media?
A: Yes, we offer 316 stainless steel and other corrosion-resistant materials. For offshore environments, we recommend our SS316 version with optional electroless nickel plating. -
Q: What is the typical lead time for standard orders?
A: For standard sizes (1/2" to 1") and materials, lead time is 2–4 weeks. Custom configurations may require 4–6 weeks. -
Q: Do you provide test certificates for each valve?
A: Yes, every valve comes with a hydrostatic test certificate and material traceability report. Third-party inspection is available upon request. -
Q: Can this valve be automated with a pneumatic actuator?
A: Absolutely. We can supply the valve with a pneumatic or hydraulic actuator, including position feedback and solenoid valves for remote control. -
Q: What is the maximum working temperature for this valve?
A: The standard range is -20°C to +120°C. For higher temperatures, we can upgrade to graphite seals and higher-grade materials (consult our engineering team). -
Q: How does the plunger valve compare to a ball valve in high-pressure service?
A: Plunger valves offer superior sealing and throttling capabilities with less potential for cavitation. They are also easier to maintain without removing the body from the line. -
Q: Do you offer free samples for testing?
A: We can provide evaluation samples for qualified projects. Please contact our sales team to discuss terms.
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