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Help CenterStainless Steel Double Pipe Fittings for Shipbuilding and Marine Applications
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As a specialized manufacturer based in Shanghai, China, Shanghai Quanbao Electronic Materials Technology Co., Ltd. delivers precision-engineered Stainless Steel Double Pipe Fittings designed explicitly for demanding shipbuilding and marine environments. Our fittings provide exceptional durability against saltwater corrosion and high-pressure conditions, ensuring long-term reliability for critical fluid transfer systems on vessels and offshore installations. Engineered with rigorous quality control, these components are essential for maintaining operational safety and reducing maintenance downtime in harsh maritime settings.
Core Advantages & Technical Specifications:
- Superior Corrosion Resistance: Manufactured from Duplex Stainless Steel (2205/316L grades available), offering enhanced resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride-rich seawater.
- Leak-Free Performance: Double ferrule compression design creates two distinct sealing points for maximum integrity under vibration and thermal cycling common in marine engines and hydraulic systems.
- High-Pressure Capability: Robust construction withstands operating pressures up to 6000 PSI, suitable for fuel lines, hydraulic controls, and cooling systems.
- Compact & Space-Saving: Ideal for confined engine rooms and complex piping layouts with minimal clearance requirements.
- Reduced Installation Time: Reusable ferrules allow for easy assembly/disassembly without specialized tools, streamlining maintenance.
Technical Parameters Table:
| Parameter | Specification |
|---|---|
| Material Grades | ASTM A182 F51/F53, 316L |
| Standard Sizes | 1/4", 3/8", 1/2", 3/4", 1", 1.5", 2" |
| Thread Standards | NPT, BSPP, BSPT, SAE J514 |
| Max Operating Temp | 400°F (204°C) |
| Compatible Media | Fuel, Hydraulic Oil, Sea Water, Compressed Air |
Client Benefits: Shipyards and marine operators gain significant value through extended component lifespan, minimized system failures due to leaks, and compliance with stringent maritime safety regulations. The corrosion-resistant properties directly translate to lower replacement costs and reduced dry-dock time. Our fittings are compatible with common marine hydraulic and fuel standards, ensuring seamless integration into new builds or retrofit projects.
Trust Shanghai Quanbao, your Shanghai-based industrial partner, for components that meet the rigorous demands of global marine operations. With dedicated manufacturing facilities in China, we maintain strict process controls to deliver consistent quality across every batch. Our technical support team assists with material selection, system design, and custom specifications. Contact us today for competitive pricing on bulk orders and discover how our QB-DPF Series can enhance the reliability of your marine fluid systems.
Frequently Asked Questions (FAQ):
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Q: Are these fittings suitable for high-vibration environments like engine rooms?
A: Yes, the double ferrule design maintains a leak-tight seal even under sustained vibration and thermal shock. -
Q: Can I use them with both hydraulic oil and seawater systems?
A: Absolutely. Duplex stainless steel offers excellent compatibility with both petroleum-based fluids and saltwater. -
Q: Do you provide certifications for material traceability?
A: Material test certificates (MTC) are available upon request for full traceability compliance. -
Q: What is the lead time for custom sizes?
A: Standard sizes ship in 15 days. Non-standard sizes typically require 4-6 weeks depending on complexity. -
Q: How do these compare to welded fittings for corrosion resistance?
A: Compression fittings eliminate heat-affected zones (HAZ) from welding, preserving the base material's corrosion resistance. -
Q: Are installation tools included?
A: Tools are optional and available separately in our accessory range. -
Q: What is your minimum order quantity (MOQ)?
A: MOQ starts at 50 pieces per size, with discounts for full container loads.
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