DN300 PN16 Dismantling Joint with 8.8 Grade Black Bolts
Product Overview
The DN300 PN16 Full Thread Dismantling Joint is a high-strength, detachable pipe connection designed for efficient installation, adjustment, and maintenance of pipeline systems. It is commonly used in water supply, wastewater treatment, industrial pipelines, and pump systems where precise alignment and easy disassembly are required.
Equipped with 8.8-grade black bolts, this dismantling joint ensures excellent tensile strength and durability under high-pressure operation, providing both safety and reliability for your pipeline network.
Key Features
Size & Pressure Rating: DN300, PN16 (suitable for standard medium-pressure pipeline systems).
Connection Type: Full-thread detachable structure for convenient assembly and disassembly.
Bolts: 8.8-grade black carbon steel bolts, anti-corrosion coated for extended lifespan.
Material Options:
Body: Ductile iron / Carbon steel / Stainless steel (optional).
Sealing ring: EPDM / NBR / NR depending on medium type.
Surface Treatment: Epoxy coating or hot-dip galvanization for enhanced corrosion resistance.
Working Temperature: -10°C to +80°C (can be customized for higher-temperature applications).
Product Advantages
✅ Easy Installation & Adjustment – The dismantling joint allows length compensation, making it easier to align flanges and adjust pipeline tolerances.
✅ High Strength & Sealing Performance – 8.8-grade bolts provide stable fastening, while high-quality rubber gaskets ensure leak-free operation.
✅ Corrosion Resistance – The epoxy-coated surface and anti-rust black bolts are suitable for long-term outdoor and underground service.
✅ Reduced Maintenance Time – Ideal for systems that require frequent disassembly for inspection or replacement of valves and pumps.
| Parameter | Description |
| Nominal Diameter | DN300 |
| Pressure Rating | PN16 |
| Connection Type | Flanged, full-thread detachable |
| Bolt Grade | 8.8-grade black bolts |
| Material | Ductile Iron / Carbon Steel / Stainless Steel |
| Gasket Material | EPDM / NBR / NR |
| Surface Treatment | Epoxy Coated / Galvanized |
| Temperature Range | -10°C ~ +80°C |
| Application Medium | Water, Air, Oil, Neutral Fluids |
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Factory Equipment
Applications
This DN300 PN16 dismantling joint is widely used in:
Water supply and drainage systems
Power plants and industrial pipelines
HVAC and fire protection systems
Seawater desalination and wastewater treatment plants
Pump stations and valve connection assemblies
Installation Notes
Ensure the pipeline flanges are parallel and clean before installation.
Tighten bolts gradually in a diagonal sequence to maintain uniform stress.
Check sealing gasket positioning before pressure testing.
For outdoor or underground use, apply anti-corrosion treatment to bolts and joints.
Why Choose Our Dismantling Joints
Over 20 years of manufacturing experience in industrial pipe fittings.
ISO and CE certified production with strict quality control.
Custom sizes, coatings, and gasket materials available.
Global export experience – fast delivery and reliable logistics support.
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DN300 PN16 Full Tie Rod Carbon Steel Dismantling Joint With 8.8 Grade Black Bolts Images
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