Galvanized King nipple with NPT thread |China manufacturer
Product Overview
Cangzhou Hongxin is a leading Chinese manufacturer specializing in galvanized king nipples with NPT thread for industrial piping applications. Our king nipples feature premium hot-dip galvanized coating that provides superior corrosion resistance in demanding environments. Designed with precision NPT threads for secure connections, these fittings are essential components for plumbing, oil and gas, water distribution, and industrial processing systems.
Product Description
The galvanized king nipple with NPT thread is a specialized pipe fitting designed to connect threaded pipes with secure, leak-proof joints. Featuring a hexagonal center section for easy installation with standard wrenches, this king nipple combines the corrosion protection of hot-dip galvanizing with the reliability of precision-machined NPT threads. Manufactured from high-grade carbon steel and finished with a durable zinc coating, our king nipples withstand harsh environmental conditions while maintaining structural integrity. Available in sizes from 1/8" to 4" NPT, these fittings are engineered for long-term performance in commercial, industrial, and municipal applications where corrosion resistance and durability are paramount.
Key Features & Benefits
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NPT Thread Precision: Threads manufactured to ANSI/ASME B1.20.1 standards for leak-proof connections
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Hexagonal Center: Easy installation and removal with standard wrench tools
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High-Strength Construction: Made from ASTM A105 carbon steel for durability
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Versatile Applications: Suitable for plumbing, industrial, and commercial piping systems
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Competitive Pricing: Factory-direct pricing with volume discounts available
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Global Standards Compliance: Meets ASTM, ASME, and ISO requirements
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Galvanized King Nipple |
| Thread Standard | NPT (National Pipe Taper) |
| Material | Carbon Steel (ASTM A105) |
| Coating | Hot-Dip Galvanized (Zinc) |
| Size Range | 1/8" to 12" NPT |
| Pressure Rating | Up to 3000 PSI |
| Temperature Range | -20°F to 650°F (-29°C to 343°C) |
| Hex Size | Standard wrench flats for easy installation |
| Galvanizing Thickness | 85-120 microns (minimum) |
| Standards | ASTM A153, ASME B16.11 |
Applications
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Plumbing Systems: Water supply and drainage connections
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Oil & Gas Industry: Pipeline connections and equipment fittings
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Water Treatment: Municipal and industrial water distribution
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Fire Protection: Sprinkler system installations
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HVAC Systems: Heating and cooling equipment connections
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Industrial Processing: Chemical and manufacturing plant piping
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Agricultural Systems: Irrigation and water management
Manufacturing Process
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Material Selection: Premium ASTM A105 carbon steel
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CNC Machining: Precision threading to NPT standards
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Surface Preparation: Cleaning and degreasing
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Hot-Dip Galvanizing: Immersion in molten zinc bath
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Quality Inspection: Dimensional and coating checks
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Packaging: Protective packaging for shipment
Why Choose Cangzhou Hongxin?
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25+ Years Manufacturing Experience
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ISO 9001:2015 Certified Factory
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Competitive Factory-Direct Pricing
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Customization Available: Special sizes and finishes
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Global Shipping Expertise: Experience with international logistics
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Technical Support: Engineering assistance for proper product selection
Ordering Information
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Minimum Order Quantity: 500 pieces (standard sizes)
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Lead Time: 15-25 days for standard orders
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Custom Orders: Special sizes and configurations available
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Packaging: Export-standard wooden cases or cartons
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Samples: Available for quality verification
FAQ
Q: What is the difference between king nipple and standard nipple?
A: King nipples feature a hexagonal center for easy installation, while standard nipples may not have wrench flats.
Q: Can you supply other thread types besides NPT?
A: Yes, we also manufacture BSPT and BSPP threaded king nipples.
Q: What is the maximum pressure rating?
A: Up to 3000 PSI depending on size and application.
Q: Do you provide material certificates?
A: Yes, we provide full material test certificates with shipments.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.