High Strength Steel Expansion Joint DN65-DN3200 with Thickened Pipe Wall and Flat Welding Flange for Industrial Piping
This high-strength steel expansion joint features a thickened, reinforced pipe wall construction that ensures exceptional durability and extended service life. Designed as a metal connection fastener, it provides secure and stable connections between pipes while requiring minimal maintenance.
Special treatment prevents deformation and cracking under stress
Thickened reinforced construction for maximum durability and long service life
Flat welding flange design ensures safety, security, and guaranteed quality
- Simple and convenient installation with easy valve integration
- High compression strength and elasticity from quality rubber components
- Precision manufacturing with stringent metal and sealing ring tolerances
- Effective compensation and relief of pipe and blind plate thrust in pipeline systems
| Nominal Diameter DN | Pipe Diameter | Flange External Diameter | Bolt Hole Diameter Di | Bolt Hole Diameter | Bolt Quantity | Total Length | Expansions | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 65 | 76 | 160 | 130 | 14 | 4 | 340 | 50 | 13.1 |
| 80 | 89 | 190 | 150 | 18 | M16 | 15.1 | - | - |
| 100 | 114 | 210 | 170 | - | - | - | 21.6 | |
| 125 | 140 | 240 | 200 | - | - | - | 27.6 | |
| 150 | 168 | 265 | 225 | - | - | - | 34.1 | |
| 200 | 219 | 320 | 280 | - | - | - | 42.4 | |
| 250 | 273 | 375 | 335 | 12 | M20 | 370 | 65 | 58.8 |
Designed for loose sleeve connections of pumps, valves, and other pipeline accessories. Ideal for chemical, petroleum, and water treatment industries. The flexible steel expansion joint with cast iron epoxy coated flange withstands high pressure and temperature changes while reducing noise and vibration in pipeline systems.
Comprehensive technical support including expert installation assistance, product training, regular updates, 24/7 technical hotline, custom configurations, on-site services, testing, and certification.
Inner plastic film with carton case, outer export plywood case. Custom marking available. Shipping via DHL, UPS, TNT, EMS, or customer-preferred carriers.
Brand: liwei | Model: DN65-DN3200 | Origin: Henan, China | MOQ: 1 set | Price: Negotiable
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.