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Help CenterAnti Corrosion Plunger Valve With PTFE Lining for Chemical Factory Fluid Pipeline - 300WOG, 2 Inch
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Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents the Anti Corrosion Plunger Valve with PTFE Lining, specially designed for chemical factory fluid pipelines. Since 2016, we have focused on providing durable, high-performance valves for demanding industrial environments. This 2-inch, 300WOG rated plunger valve combines robust construction with a full PTFE lining to resist aggressive chemicals, ensuring long service life and minimal maintenance. Our commitment to quality is backed by ISO9001 certification and a strong export track record to global markets.
This valve is engineered to handle corrosive fluids such as acids, alkalis, and solvents commonly found in chemical processing, petrochemical, and pharmaceutical plants. The plunger design offers precise flow control and tight shut-off, while the PTFE lining protects the valve body from chemical attack. Below are the key features and technical specifications:
Key Features
- Full PTFE Lining: Provides excellent corrosion resistance against a wide range of chemicals, extending valve lifespan.
- Plunger Design: Smooth, non-rotating movement reduces wear and ensures reliable sealing even after many cycles.
- 300WOG Pressure Rating: Suitable for systems up to 300 psi (approx. 20 bar) for water, oil, and gas applications.
- 2-Inch Flanged Connection: Standard ANSI or PN flanges for easy installation in existing pipeline systems.
- Manual Handwheel Operation: Simple, intuitive control with visual position indicator.
- Low Maintenance: PTFE lining and self-lubricating plunger reduce the need for frequent servicing.
- Leak-Proof Sealing: Double sealing system (plunger + packing) ensures zero leakage to the environment.
Technical Specifications
| Parameter | Value |
| Size | 2 inch (DN50) |
| Pressure Rating | 300WOG (300 psi for water/oil/gas) |
| Body Material | WCB / CF8M (optional) |
| Lining Material | PTFE (polytetrafluoroethylene) |
| Connection | Flanged (ANSI 150# / PN16) |
| Operation | Manual handwheel with rising stem |
| Temperature Range | -20°C to +180°C (depending on media) |
| Leakage Rate | Zero leakage (bubble-tight shut-off) |
Advantages for Your Chemical Plant
- Extended Service Life: The PTFE lining prevents corrosive attack on the valve body, reducing replacement frequency and downtime.
- Precise Flow Control: The plunger design allows fine adjustment of flow rate, ideal for metering or throttling applications.
- Safe Operation: The double sealing system and spring-loaded packing ensure no fugitive emissions, meeting environmental safety standards.
- Cost-Effective: Lower maintenance costs compared to lined butterfly or ball valves; the plunger can be replaced without removing the valve from the line.
- Versatile Application: Suitable for both clean and slightly dirty fluids, compatible with a wide range of chemicals (consult chemical compatibility chart).
Each valve undergoes rigorous testing, including hydrostatic shell test, seat leak test, and PTFE lining integrity check. Our ISO9001 quality management system ensures consistent manufacturing processes and traceability. With annual export value exceeding US$1 million, we serve customers in North America, South America, Europe, Asia, Africa, and beyond. Our valves are shipped from Shanghai, Guangzhou, Hong Kong, or Beijing ports, with lead times tailored to your project schedule.
We understand that chemical plants require reliable components to avoid costly shutdowns. That's why our plunger valve is designed with a robust structure and corrosion-resistant lining. The 300WOG pressure rating meets typical industrial requirements, and the 2-inch size is one of the most common for process lines. Customization options, such as different flange standards (ANSI, DIN, JIS) or alternative body materials (CF8M), are available upon request.
Our team of experienced engineers can provide technical support for valve selection, installation, and maintenance. We also offer sample orders for testing before bulk purchase. With a strong reputation built since 2016, Shanghai Zhibang Valve is your trusted partner for fluid control solutions.
Frequently Asked Questions (FAQ)
Q1: What is the maximum working pressure for this valve?
A: The valve is rated 300WOG, which means 300 psi for water, oil, and gas. For other media, please consult our technical team.
Q2: Can this valve be used for high-temperature applications?
A: The PTFE lining can withstand continuous temperatures up to 180°C. For higher temperatures, optional PFA lining is available.
Q3: Is the valve suitable for abrasive fluids?
A: PTFE is not wear-resistant. For abrasive slurries, we recommend ceramic-lined or hardened valves. This design is best for clean corrosive fluids.
Q4: What are the standard flange specifications?
A: Standard flanges are ANSI 150# RF (raised face) or PN16. Other standards like DIN or JIS are available on request.
Q5: How do I install the valve?
A: The valve can be installed in any orientation, but ensure proper support for the piping. Avoid using the valve as a lifting point.
Q6: What is the warranty period?
A: We offer a 12-month warranty from the date of shipment for manufacturing defects. Extended warranty options are available.
Q7: Do you provide certificates of material test or pressure test?
A: Yes, we provide full documentation including material certificates, pressure test reports, and ISO9001 certificate upon request.
Q8: Can I get a sample before bulk order?
A: Yes, sample orders are welcome. We can provide a single unit for testing; the sample cost is negotiable.
Contact Shanghai Zhibang Valve Manufacture Co., Ltd. today for a quotation or technical consultation. With our ISO9001-certified production, competitive pricing, and global shipping network, we are ready to supply your chemical plant with reliable anti-corrosion plunger valves. Let us help you achieve safe and efficient fluid control.
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