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Help CenterHigh Pressure Slurry Delivery Plunger Valve, 4" NPT, 5000 Psi, Ceramic Coated, 1 Year Warranty
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, is a professional manufacturer specializing in high-performance valves for demanding industrial applications. Our High Pressure Slurry Delivery Plunger Valve (4" NPT, 5000 psi, Ceramic Coated) is engineered to deliver exceptional reliability and longevity in abrasive and corrosive slurry handling systems. With a 1-year warranty and ISO9001 certification, this valve represents the perfect balance of robust construction, advanced coating technology, and cost-effective performance, making it an ideal choice for mining, mineral processing, and chemical industries globally.
This plunger valve is designed to withstand extreme pressures up to 5000 psi, ensuring safe and efficient transport of high-density slurries. The 4-inch NPT connection provides a standard yet versatile interface for easy integration into existing piping systems. The ceramic coating on the internal components significantly reduces wear and corrosion, extending the valve's service life even under continuous exposure to particles and aggressive fluids. Every unit undergoes rigorous testing to meet ISO9001 quality standards, ensuring consistent performance and minimal downtime for your operations.
Key Technical Specifications
| Pressure Rating | 5000 psi (345 bar) |
| Connection Size | 4" NPT Female |
| Coating Material | Ceramic (Alumina-based) |
| Body Material Options | Carbon Steel (WCB) / Stainless Steel (CF8M) – customizable |
| Seal Material | PTFE / UHMWPE (optional based on media) |
| Operating Temperature | -20°C to +120°C (depending on seal and body) |
| Warranty | 1 Year (against manufacturing defects) |
Product Features & Benefits
- High Pressure Reliability: Rated for 5000 psi continuous operation, the valve ensures leak-free performance even under fluctuating flow conditions, reducing the risk of system failures.
- Ceramic Coated Wear Resistance: The internal plunger and seat surfaces are coated with a high-density ceramic layer that provides 3–5 times longer service life compared to traditional hardened steel or polymer coatings, especially in abrasive slurry applications.
- 4" NPT Standard Connection: Compatible with most industrial piping systems, the NPT thread allows for quick and secure installation without special adapters, saving time and labor costs.
- Corrosion & Erosion Protection: The ceramic coating is chemically inert and resistant to a wide range of acids, alkalis, and salts, making the valve suitable for aggressive chemical slurries and tailings transport.
- Low Maintenance Design: The plunger and seat assembly can be easily replaced in the field, minimizing downtime. The self-lubricating properties of ceramic also reduce friction and wear on moving parts.
- ISO9001 Certified Quality: Every valve is manufactured under strict quality control processes, including hydrostatic testing, seat leakage testing, and coating thickness verification, ensuring consistent performance.
Typical Applications
This high-pressure plunger valve is extensively used in:
- Mining & Mineral Processing (slurry transportation, tailings pipelines)
- Coal Washing & Beneficiation Plants
- Chemical & Petrochemical Processes (abrasive slurries, catalyst injection)
- Oil & Gas Wellhead Injection Systems
- Wastewater Treatment (sludge handling)
- Pulp & Paper Industry (lime mud, green liquor)
Why Choose Shanghai Zhibang Valve?
As a manufacturer with over 8 years of experience, we have exported to more than 15 countries and regions, with an annual export value of US$1 million to US$1.5 million. Our products are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery worldwide. Our main markets cover North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic market. This global footprint demonstrates our commitment to quality and customer satisfaction.
We provide comprehensive technical support, including on-site installation guidance and customized solutions for specific media or pressure requirements. Our team of engineers can assist in selecting the appropriate body material, seal type, and coating thickness to match your exact operating conditions. With a 1-year warranty and responsive after-sales service, you can trust our valves to perform reliably under the toughest conditions.
Frequently Asked Questions
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What media can this valve handle?
It is designed for abrasive and corrosive slurries, mining tailings, chemical solutions, and high-viscosity fluids. The ceramic coating ensures compatibility with most acidic and alkaline media (pH 2–12). -
What is the maximum operating temperature?
Standard seals allow up to 120°C. For higher temperatures (up to 200°C), we offer optional metal seals or special PTFE compounds – please contact us. -
Is the ceramic coating prone to chipping?
No, the ceramic layer is applied via a high-velocity oxygen fuel (HVOF) process, creating a dense, strong bond with the substrate. It withstands mechanical shocks and thermal cycling typical in slurry applications. -
Can I get a different connection size or type?
Yes, we can customize the valve to other NPT sizes (2", 3", 6") or flanged connections (ANSI, DIN, JIS) upon request. Minimum order quantity may apply. -
How do I install and maintain the valve?
Installation instructions are provided with each shipment. Regular inspection of the plunger and seat for wear is recommended; replacement parts are available. The valve should be installed with the flow direction arrow as indicated. -
What is the warranty coverage?
We offer a 1-year warranty against manufacturing defects in materials and workmanship. Damage due to improper use, misapplication, or normal wear is not covered. Extended warranty options are available on request. -
Is this valve ISO9001 certified?
Yes, our entire production process is ISO9001:2015 certified, ensuring consistent quality management from raw material procurement to final testing. -
What is the lead time for this valve?
Standard lead time is 15–25 working days, depending on quantity and customization. For urgent orders, please contact our sales team for expedited options.
Contact us today for a quote or technical consultation. Our experienced team is ready to help you select the right high-pressure slurry delivery plunger valve for your specific application. With our global logistics network, we can deliver to any port worldwide efficiently. Trust Shanghai Zhibang Valve – your reliable partner for industrial valve solutions.
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