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Help CenterLow Leakage Plunger Valve for Research Laboratory High Pressure Fluid Test - Ideal for Chemical Analysis & Reactor Systems
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, is a professional manufacturer specializing in high-performance valves for demanding applications. Our Low Leakage Plunger Valve is engineered specifically for research laboratory high pressure fluid testing, making it an ideal choice for chemical analysis and reactor systems. With precision manufacturing and rigorous quality control under ISO9001:2015 certification, this valve delivers exceptional sealing performance and durability, ensuring accurate and reliable results in your experiments. Trust our expertise to provide a solution that meets the strictest standards of the scientific community.
Key Features & Technical Specifications
- Ultra-Low Leakage Design: Optimized plunger and seat geometry reduce internal leakage to less than 0.01% of rated flow, ideal for trace analysis and sensitive reactions.
- High Pressure Capability: Rated up to 15,000 psi (1000 bar) with optional customization for higher pressures, suitable for supercritical fluid studies and high-pressure catalysis.
- Corrosion-Resistant Materials: Standard 316L stainless steel body with optional Hastelloy or Monel for aggressive chemicals. All wetted parts are passivated for purity.
- Precision Metering: Fine-thread stem allows smooth, incremental flow adjustment (Cv as low as 0.02) for precise control of reagent addition or sample injection.
- Easy Maintenance: Replaceable seat and stem tip (optional) extend service life without replacing the entire valve. Panel-mount compatible design simplifies installation.
- Versatile Connections: Available in 1/8" to 1/2" NPT, Swagelok, or custom end connections to fit your existing system.
Technical Parameters (Example Model ZBLP-1000)
| Parameter | Value |
|---|---|
| Maximum Working Pressure | 15,000 psi (1000 bar) |
| Leakage Rate (Internal) | ≤ 0.01% of rated flow |
| Operating Temperature Range | -20°C to 200°C |
| Flow Coefficient (Cv) | 0.02 – 0.5 (depending on orifice) |
| Body Material | 316L Stainless Steel (optional Hastelloy, Monel) |
| Seal Material | PTFE, PEEK, or Graphite (optional) |
| Connection Types | 1/8" – 1/2" NPT, Swagelok, or custom |
Benefits for Your Application
This plunger valve is specifically designed to meet the rigorous demands of research laboratories and chemical analysis environments. Its low leakage characteristic ensures that no cross-contamination occurs between fluid streams, which is critical for accurate analytical results. The high pressure capability allows you to simulate real-world conditions in reactor systems, catalyst testing, and high-pressure chromatography. With fine metering control, you can adjust flow rates with precision, reducing waste and improving reproducibility. The use of corrosion-resistant materials guarantees long-term reliability even when handling corrosive chemicals or solvents. Additionally, the modular design simplifies maintenance and reduces downtime, making it a cost-effective choice for busy laboratories.
Trust & Reliability
Shanghai Zhibang Valve Manufacture Co., Ltd. has been dedicated to valve manufacturing since 2016. Our annual export value of US$1 – US$1.5 million reflects the global trust in our products. We serve markets across North America, South America, Europe, Asia, Africa, and Oceania, and our products are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing. With ISO9001:2015 certification, every valve undergoes stringent quality checks before leaving our factory. We are committed to providing reliable, high-performance solutions for your critical research applications. Contact us today to discuss your specific requirements or request a quotation.
Frequently Asked Questions (FAQ)
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Q: What is the maximum pressure this valve can handle?
A: The standard model is rated up to 15,000 psi (1000 bar). Higher pressure ratings are available upon request, depending on the material and design. -
Q: Can this valve be used for extremely corrosive chemicals like hydrofluoric acid?
A: Yes, we offer optional body materials such as Hastelloy and Monel, as well as special seal materials like PEEK, to handle aggressive chemicals. Please consult with our technical team for specific recommendations. -
Q: What is the typical leakage rate?
A: Internal leakage is typically less than 0.01% of the rated flow under closed conditions. This makes it suitable for high-precision analytical applications where even minimal leakage is unacceptable. -
Q: Is the valve easy to install in an existing system?
A: Yes, the valve features a compact, panel-mount design with standard NPT or Swagelok connections. Customized end connections can be provided to match your system. -
Q: How often does the valve require maintenance?
A: Maintenance intervals depend on operating conditions. The replaceable seat and stem tip allow for easy servicing. With proper use, the valve can operate reliably for thousands of cycles. -
Q: Do you provide a warranty?
A: Yes, we offer a standard 12-month warranty against manufacturing defects. Extended warranty options are available upon request. -
Q: Can I get a sample or small quantity for testing?
A: Absolutely. We welcome sample orders to help you evaluate the valve before larger purchases. Minimum order quantities may apply for standard models. -
Q: What is the lead time for custom orders?
A: Standard models are typically shipped within 2-3 weeks. Custom orders (special materials, connections, pressure ratings) may take 4-6 weeks, depending on complexity.
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