Restrained coupling for HDPE pipe PN10/PN16
Restrained coupling for HDPE pipes, compliant with EN545 standard.
Description
The Restrained Coupling for HDPE Pipe is a specialized pipe fitting designed specifically for HDPE (High-Density Polyethylene) pipes with PN10/PN16 pressure ratings. This innovative coupling features an advanced restraint system with multiple rings and components that provide secure, restrained connection to HDPE pipes, making it the ideal solution for water distribution systems, sewage networks, and industrial applications where HDPE pipe is the primary material.
Product overview
- Advanced Restraint System: Multiple rings and components for secure HDPE pipe connection
- Dual Pressure Ratings: Available in PN10 and PN16 pressure ratings
- Size Range: From DN50 to DN300 for comprehensive coverage
- Bronze/Brass Ring: High-quality MS 58 bronze/brass ring for superior grip
- High-Quality Materials: Ductile iron body with bronze/brass components
- Durable Gaskets: EPDM gaskets for various temperature ranges
- Corrosion Protection: EN30677 coating standard for enhanced durability
- Stainless Steel Bolting: SS304 bolts, washers, and components
- Standard Compliance: Meets EN545, EN30677, and EN12266-1 standards
Specifications
| Specification | Value |
|---|---|
| Restrained Coupling Standard | EN545 |
| Coating Standard | EN30677 |
| Test Standard | EN12266-1 |
| Size Range | DN50 to DN300 |
| Working Pressure | PN10/PN16 |
| Temperature Range (EPDM Gasket) | -10°C to 120°C |
| Temperature Range (NBR Gasket) | -10°C to 82°C |
| Connection Type | HDPE pipe |
| Suitable For | Potable water, neutral liquids, sewage |
| Wras Approved | Available upon request |
Material specification
| No. | Name | Material |
|---|---|---|
| 1 | Body | Ductile iron |
| 2 | Thighten Ring | Ductile iron |
| 3 | Ring | Bronze/brass (MS 58) |
| 4 | Gasket | EPDM |
| 5 | Bolts | SS304 |
| 6 | Washer | SS304 |
| 7 | Bolts holder | ⟦Mpe⟧-HD |
| 8 | Limit Ring | Polyacetal |
| 9 | Pipe | ⟦Mpe⟧-HD/PVC |
Available options
- Bolt Grades: Grade 4.8/6.8/8.8 carbon steel bolts with galvanization/dacromet/teflon coating
- Stainless Steel Bolts: SS304/SS316/Ss316l/a2/a4 available
- Special Coatings: Fbe coating and Nylon 11 coating available
- Custom Sizes: Other ranges available upon request
Applications
- Water distribution systems
- Sewage and wastewater systems
- Industrial piping connections
- HDPE pipe to HDPE pipe connections
- System expansions and modifications
- Equipment connections
- Pump and valve installations
- Retrofitting existing HDPE systems
- Municipal water networks
- Industrial process piping
Benefits
- Advanced Restraint: Multiple rings and components provide superior connection to HDPE pipes
- Reliable: Proven design with consistent performance
- Durable: High-quality materials ensure long service life
- Easy Installation: Simple bolt and nut assembly process
- Cost Effective: Optimized for HDPE pipe applications
- Maintenance Friendly: Easy to disassemble for maintenance
- Standard Compliant: Meets all relevant European standards
- Wide Range: Covers sizes from DN50 to DN300
Note: Please note dimension may vary at our discretion. Other range is also available upon request. This restrained coupling is designed specifically for connecting HDPE pipes with PN10/PN16 pressure ratings.
Dimensions (MM) – Complete Range (DN50-DN300):
| A | L1 | L | B | Bolt Mano. |
|---|---|---|---|---|
| DN63 | 20 | 125 | 130 | M10x2 |
| DN75 | 21 | 126 | 142 | M10x4 |
| DN90 | 21 | 128 | 160 | M10x4 |
| DN110 | 22 | 130 | 180 | M10x4 |
| DN125 | 22.5 | 134 | 195 | M10x4 |
| DN140 | 22.5 | 145 | 221 | M10x4 |
| DN160 | 23.5 | 170 | 235 | M10x4 |
| DN180 | 23.5 | 185 | 255 | M10x4 |
| 200 | 25 | 210 | 274 | M10x4 |
| 225 | 25 | 215 | 302 | M10x4 |
| 250 | 25 | 240 | 328 | M10x6 |
| 280 | 25 | 250 | 358 | M10x6 |
| 315 | 25 | 300 | 392 | M10x6 |
Technical features
- A: Pipe size designation
- L1: Insertion depth for HDPE pipe
- L: Overall length of the coupling
- B: Outer diameter of the coupling body
- Bolt Mano.: Number of bolts and bolt size (M10)
Bolt Configuration:
- Small Sizes (DN63): 2 bolts M10
- Medium Sizes (DN75-DN225): 4 bolts M10
- Large Sizes (DN250-DN315): 6 bolts M10
HDPE Pipe Compatibility:
- DN63: Compatible with 63mm OD HDPE pipes
- DN75: Compatible with 75mm OD HDPE pipes
- DN90: Compatible with 90mm OD HDPE pipes
- DN110: Compatible with 110mm OD HDPE pipes
- DN125: Compatible with 125mm OD HDPE pipes
- DN140: Compatible with 140mm OD HDPE pipes
- DN160: Compatible with 160mm OD HDPE pipes
- DN180: Compatible with 180mm OD HDPE pipes
- DN200: Compatible with 200mm OD HDPE pipes
- DN225: Compatible with 225mm OD HDPE pipes
- DN250: Compatible with 250mm OD HDPE pipes
- DN280: Compatible with 280mm OD HDPE pipes
- DN315: Compatible with 315mm OD HDPE pipes
Note: Please note dimension may vary at our discretion. Other range is also available upon request. This restrained coupling is designed specifically for connecting HDPE pipes with PN10/PN16 pressure ratings.
Related pipe couplings
For alternative coupling types and pressure ratings within our pipe coupling range, see also:
Additional information
| Coupling Type | Restrained Coupling |
|---|---|
| Standard | EN545 |
| Coating Standard | EN30677 |
| Test Standard | EN12266-1 |
| Working Pressure | PN10/PN16 |
| Size Range | DN50 to DN300 |
| Connection Type | HDPE pipe |
| Suitable For | Potable water, neutral liquids, sewage |
| Restraint System | Multiple rings and components for secure HDPE connection |
| Ring Material | Bronze/brass (MS 58) |




