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Help CenterHigh Pressure Zero Leakage Plunger Valve, 15,000 PSI, 316L Stainless Steel, for Hydraulic Test Bench Piping Systems
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Shanghai Zhibang Valve Manufacture Co., Ltd., an ISO9001 certified manufacturer since 2016, proudly presents our High Pressure Zero Leakage Plunger Valve rated at 15,000 PSI and crafted from premium 316L Stainless Steel. Engineered specifically for demanding hydraulic test bench piping systems, this valve ensures absolute reliability and safety under extreme pressure conditions. Our commitment to zero leakage technology guarantees precise flow control and eliminates the risk of fluid loss, making it the preferred choice for professionals in the hydraulic industry.
This valve is designed to meet the rigorous demands of high-pressure hydraulic testing environments. With a robust construction and advanced sealing mechanisms, it delivers consistent performance and long service life. Below we outline the key features and technical specifications that set this product apart.
Key Features & Benefits
- Zero Leakage Design: Precision-ground plunger and lapped seats ensure bubble-tight shut-off even at 15,000 PSI, preventing media loss and environmental contamination.
- 316L Stainless Steel Construction: Excellent corrosion resistance against hydraulic fluids, water, and aggressive chemicals, extending valve life in harsh conditions.
- High Pressure Capability: Rated for 15,000 PSI (1034 bar) continuous service, with a safety factor exceeding industry standards.
- Smooth Flow Control: Non-rotating plunger design minimizes wear and provides accurate metering for test bench applications.
- Easy Maintenance: Replaceable seats and seals reduce downtime and maintenance costs.
- Versatile Connection Options: Available in NPT, BSP, or custom thread sizes to fit existing piping systems.
Technical Specifications
| Property | Value |
| Maximum Working Pressure | 15,000 PSI (1034 bar) |
| Body Material | 316L Stainless Steel (ASTM A276/479) |
| Plunger Material | 316L Stainless Steel with Hard Chrome Plating |
| Seat Material | PTFE / PEEK (optional) |
| Temperature Range | -20°C to +200°C |
| Connection Ports | 1/8" - 1" NPT/Female Thread (customizable) |
| Leakage Rate | Zero (bubble-tight at rated pressure) |
| Certification | ISO9001:2015 |
Designed for Hydraulic Test Bench Systems
This plunger valve is optimized for use in hydraulic test benches where precise pressure control and zero leakage are critical. Whether you are testing hoses, cylinders, or components, our valve provides reliable isolation and metering. The compact design allows easy integration into existing panel layouts, and the high-strength 316L stainless steel withstands the repeated pressure cycles typical in testing environments.
Compared to traditional needle valves, our plunger design offers superior sealing and longer service life. The non-rotating plunger eliminates galling, and the stem can be replaced without removing the valve from the line. This reduces maintenance downtime and keeps your test bench operational.
Why Choose Shanghai Zhibang Valve?
Since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has been dedicated to manufacturing high-quality industrial valves. We hold ISO9001 certification, ensuring consistent quality control from raw material to finished product. Our annual export value of US$1 million to US$1.5 million reflects the trust of customers in North America, South America, Europe, Asia, Africa, and Oceania. We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, providing flexible logistics solutions.
Each valve undergoes rigorous hydrostatic and seat leakage testing before shipment. We offer customization options for threads, materials, and pressure ratings to meet your specific requirements. Our technical team is available for application support and after-sales service.
Backed by a 12-month warranty and responsive customer service, our High Pressure Zero Leakage Plunger Valve is the reliable choice for your hydraulic test bench piping systems. Contact us today for a quote or to discuss your project needs.
Frequently Asked Questions
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Q: What is the maximum working pressure of this valve?
A: The valve is rated for 15,000 PSI continuous service with a safety factor of 1.5:1. It can be used up to 22,500 PSI non-shock. -
Q: Can this valve be used with water or oil?
A: Yes, the 316L stainless steel body and PTFE seals are compatible with water, hydraulic oil, and many chemicals. Please advise your media for optimal seal selection. -
Q: What connection types are available?
A: Standard connections are NPT female threads. BSP, UNF, or custom sizes are available upon request. Please specify when ordering. -
Q: Is the valve maintenance-friendly?
A: Absolutely. The valve features a replaceable seat and stem packing. The plunger can be serviced without removing the valve body from the line. -
Q: Does the valve have any certification?
A: Our manufacturing facility is ISO9001:2015 certified. Each valve is tested and certified to meet the specified pressure rating. Third-party inspection is optional. -
Q: What is the operating temperature range?
A: Standard PTFE seals allow -20°C to +200°C. For higher temperatures, PEEK or graphite seals are available. -
Q: How can I order a sample or small quantity?
A: We accept small orders for testing. Please contact our sales team with your requirements, and we will provide a quotation. -
Q: What is the lead time?
A: Standard sizes are in stock or have a lead time of 2-4 weeks. Custom orders may take 4-6 weeks depending on specifications.
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