RESTRAINED COUPLING FOR PE PIPE PN10/16
Restrained coupling for PE pipes, compliant with EN545 standard.
Description
RESTRAINED COUPLING FOR PE PIPE PN10/16
Product Overview
The Restrained Coupling for PE Pipe PN10/16 is a specialized connection fitting designed for polyethylene (PE) pipes. This coupling provides a secure, leak-proof connection between PE pipes with advanced restraint mechanism, making it ideal for medium-sized pipe applications requiring reliable joint integrity.
Key Features
- PE Pipe Specific Design: Engineered specifically for polyethylene pipe connections
- Dual Pressure Rating: Suitable for both PN10 and PN16 pressure systems
- EPDM+Brass Sealing: Advanced sealing ring material for superior leak prevention
- Restrained Connection: Secure mechanical connection preventing pipe separation
- Medium Size Range: Available from DN50 to DN300
- Standard Compliance: Meets EN545 standard requirements
- WRAS Approved: Available upon request for potable water applications
Technical Specifications
| Standard | EN545 |
| Coating Standard | EN30677 |
| Test Standard | EN12266-1 |
| Working Pressure | PN10/PN16 |
| Size Range | DN50 to DN300 |
| Connection Type | PE pipe |
| Suitable For | Potable water, neutral liquids, sewage |
| Sealing Ring Material | EPDM+Brass |
| Center Sleeve Material | Ductile iron |
| Grip Ring Material | Ductile iron |
Temperature Specifications
Operating Temperature Ranges
- EPDM Gasket: -10°C to 120°C
- NBR Gasket: -10°C to 82°C
Material Components
The Restrained Coupling consists of 7 main components:
- Body: Ductile iron construction for maximum strength and durability
- Sealing Ring: EPDM+Brass material for superior sealing performance
- End Ring: Ductile iron for structural integrity
- Bolts: Carbon steel for secure connection
- Washer: Carbon steel for proper load distribution
- Nut: Carbon steel for bolt retention
- Cap: Plastic protective covering
Additional Material Options
Bolt Options
- Carbon Steel: Grade 4.8/6.8/8.8 with galvanization/dacromet/teflon coating
- Stainless Steel: SS304/SS316/SS316L/A2/A4 options available
Coating Options
- FBE Coating: Fusion Bonded Epoxy coating available
- Nylon 11 Coating: Advanced protective coating option
Applications
- Water Distribution Systems: Municipal and industrial water supply networks
- PE Pipe Installations: Connection points in polyethylene pipe systems
- Pressure Systems: PN10 and PN16 pressure applications
- Utility Connections: Interface between PE pipes and equipment
- Maintenance Points: Strategic locations for system maintenance and repair
- Medium Scale Projects: Ideal for DN50 to DN300 applications
Installation Notes
- Ensure PE pipe is properly prepared and cleaned before installation
- Follow manufacturer guidelines for proper sealing ring installation
- Use appropriate torque values for bolt tightening
- Verify pressure rating compatibility with system requirements
- Test connection integrity before system pressurization
- Consider temperature limitations for gasket material selection
Quality Assurance
All Restrained Couplings undergo rigorous testing according to EN12266-1 standards to ensure:
- Pressure integrity at rated working pressures
- Leak-tight performance under various conditions
- Mechanical strength and durability
- Compliance with international standards
- WRAS approval available for potable water applications
Please refer to the dimensions table below for specific size and bolt configuration details.
Dimensions Table (MM)
| OD | ID | A | L | BOLT SIZE |
|---|---|---|---|---|
| 50 | 53.5 | 140 | 180 | M12x2 |
| 63 | 67 | 153 | 180 | M12x2 |
| 75 | 79 | 166 | 180 | M12x2 |
| 90 | 94 | 193 | 180 | M12x4 |
| 110 | 114 | 215 | 180 | M12x4 |
| 125 | 129 | 229 | 180 | M12x4 |
| 160 | 164.5 | 265 | 180 | M12x4 |
| 180 | 184.5 | 275 | 180 | M12x4 |
| 200 | 205 | 306 | 210 | M12x4 |
| 250 | 255 | 357 | 210 | M12x6 |
| 315 | 320 | 422 | 230 | M12x6 |
Note: Please note dimensions may vary at our discretion. All measurements are in millimeters (MM).
Bolt Configuration Details
Medium Size Bolt Pattern: All sizes use M12 bolts with varying quantities (2-6 bolts) based on pipe diameter. Smaller sizes (DN50-DN75) use 2 bolts, medium sizes (DN90-DN200) use 4 bolts, and larger sizes (DN250-DN315) use 6 bolts for optimal load distribution.
Size Range Information
Medium Size Applications: This coupling is specifically designed for medium-sized PE pipe applications (DN50-DN315), providing optimal performance for municipal water systems, industrial applications, and utility connections requiring reliable joint integrity.
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 | PE pipe |
| Suitable For | Potable water, neutral liquids, sewage |
| Sealing Ring Material | EPDM+Brass |
| Center Sleeve Material | Ductile iron |
| Grip Ring Material | Ductile iron |





