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Help CenterOil Resistant Seal Marine Check Valve For Fuel Oil System Carbon Steel DN15-DN200 PN16-64 Flanged
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Shanghai Zhibang Valve Manufacture Co., Ltd proudly presents our Oil Resistant Seal Marine Check Valve, specifically engineered for fuel oil systems in marine and industrial applications. With over 8 years of manufacturing expertise and ISO9001 certification, we deliver reliable, high-quality valves that ensure leak-free operation and long service life. This check valve features a robust carbon steel body, oil-resistant sealing elements, and flanged connections available from DN15 to DN200 with pressure ratings PN16 to PN64, making it a versatile solution for demanding environments.
Key Features & Technical Specifications
- Oil Resistant Seal: Specially designed elastomer or PTFE-based seal resists degradation from fuel oil, diesel, and lubricants, ensuring tight shut-off and long-term reliability.
- Durable Carbon Steel Body: Meets standard mechanical properties for marine piping systems, providing excellent strength and corrosion resistance in harsh environments.
- Flanged Connection: Conforms to common flange standards (e.g., DIN, ANSI, JIS available upon request), allowing easy installation and maintenance.
- Wide Size & Pressure Range: Available from DN15 to DN200 with pressure ratings PN16, PN25, PN40, PN64, covering low to medium pressure fuel oil systems.
- Compact Design: Lightweight yet robust structure minimizes space requirements on ships and offshore platforms.
- Low Pressure Drop: Streamlined flow path reduces energy loss, improving system efficiency.
- Customizable Options: Different seal materials (NBR, FKM, PTFE), lever or spring-loaded types, and special coating are available on request.
| Parameter | Details |
|---|---|
| Material | Carbon Steel (WCB or WCC) |
| Size Range | DN15 – DN200 (1/2" – 8") |
| Pressure Rating | PN16 / PN25 / PN40 / PN64 |
| Connection | Flanged (RF or FF, according to standard) |
| Seal Material | Oil-resistant elastomer (NBR/FKM) or PTFE |
| Temperature Range | -20°C to +120°C (optional higher temp with PTFE) |
| Applicable Media | Fuel oil, diesel, lubricating oil, hydraulic oil |
Advantages for Your Application
- Reliable Backflow Prevention: The spring-assisted or gravity-operated disc ensures immediate closure when flow reverses, protecting pumps and piping from damage.
- Excellent Oil Resistance: Special elastomer seals maintain their elasticity even after prolonged contact with aromatic hydrocarbons, reducing maintenance frequency.
- Easy Installation: Flanged ends allow quick mounting without special tools, saving labor costs.
- Compliance with Marine Standards: Manufactured under ISO9001 quality management system, suitable for classification society requirements (DNV, Lloyd's, etc., can be certified on request).
- Cost-Effective: Competitive pricing without compromising on quality, backed by our annual export value of USD 1–1.5 million.
At Shanghai Zhibang Valve Manufacture Co., Ltd, we have been dedicated to valve production since 2016, serving global markets including North America, Europe, Southeast Asia, Africa, and Oceania. Our products are shipped from major Chinese ports (Shanghai, Guangzhou, Hong Kong, Beijing) with reliable logistics. With ISO9001 certification and a strong commitment to quality, we ensure every valve undergoes rigorous testing before delivery. Choose our Oil Resistant Seal Marine Check Valve for a dependable, long-lasting solution for your fuel oil system. Contact us today for a competitive quote or technical consultation.
Frequently Asked Questions
Q1: What is the maximum operating temperature for this check valve?
Standard seal materials (NBR/FKM) allow temperatures up to 120°C. For higher temperature applications (up to 200°C), a PTFE seal option is available upon request.
Q2: Can this valve be used for other fluids besides fuel oil?
Yes, the oil-resistant seal makes it suitable for diesel, hydraulic oil, lubricating oil, and other petroleum-based fluids. For water or chemical applications, please consult our technical team for compatible seal materials.
Q3: Do you provide flange drilling according to specific standards?
Standard flanges are supplied with raised face (RF) per DIN, ANSI, or JIS as per your order. Custom drilling patterns can be accommodated for volume orders.
Q4: Is this check valve available with a lever or counterweight?
Yes, both spring-loaded and lever-assisted (counterweight) designs are available. Please specify when ordering.
Q5: What is the lead time for a DN100 PN40 valve?
Typical lead time is 15–25 working days depending on order quantity. For urgent orders, express service can be arranged.
Q6: Does the valve come with a test certificate?
Yes, each valve is hydrostatically tested and supplied with a test certificate per ISO9001. Additional material certificates are available on request.
Q7: Can you supply valves with special coatings for offshore environments?
Yes, epoxy coating, zinc-rich primer, or other marine-grade coatings are optional. Contact us to discuss your specific environment.
Q8: What is the warranty period?
Standard warranty is 12 months from the date of shipment. Extended warranty options are negotiable.
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