PE Pipe Coupling — Lock-Ring Series
Join two PE pipe ends mechanically. This is the Lock-Ring Series coupling. Use its own assembly drawing and size schedule.
Pipe compatibility
PE pipe. Match the measured outside diameter and confirm the SDR or wall thickness and support-insert arrangement for the selected assembly.
Product overview
Join two PE pipe ends mechanically.
Pipe compatibility
PE pipe. Match the measured outside diameter and confirm the SDR or wall thickness and support-insert arrangement for the selected assembly.
Connection arrangement
PE pipe end → PE pipe end
Connection and selection
Lock-Ring family
P11/P12 belong to the Lock-Ring family. P13/P14 belong to the Compression-Grip family; select the family before comparing dimensions.
Pipe-side selection
Specify the pipe OD and wall dimensions at each PE connection. Review the selected assembly for seal, grip and support requirements.
Connection dimensions
Check both pipe ends and overall installation length.
Catalogue dimensions
Source: AQUAFITTING English catalogue 2023, page 12. Dimension symbols follow the corresponding source drawing. Confirm the selected configuration and current dimensions before ordering. — means not stated in the source. Sizes without dimensional data are not included. P14 is a separate design.
| Pipe OD | L | E | B | Bolts L | Bolts Qty | Weight (kg) |
|---|---|---|---|---|---|---|
| 63 | 171 | 80 | 124 | M10*35 | 4 | 3.26 |
| 75 | 175 | 82 | 138 | M10*35 | 4 | 4.19 |
| 90 | 181 | 85 | 152 | M10*35 | 8 | 5.89 |
| 110 | 181 | 85 | 172 | M10*35 | 8 | 6.95 |
| 125 | 185 | 87 | 193 | M10*35 | 8 | 7.91 |
| 140 | 197 | 93 | 210 | M10*35 | 8 | 9.12 |
| 160 | 221 | 105 | 236 | M12*40 | 8 | 12.04 |
| 180 | 241 | 113 | 258 | M12*40 | 8 | 14.13 |
| 200 | 261 | 125 | 284 | M12*45 | 8 | 16.12 |
| 225 | 265 | 128 | 314 | M12*45 | 8 | 18.19 |
| 250 | 300 | 145 | 347 | M12*45 | 12 | 22.14 |
| 280 | 306 | 148 | 376 | M12*45 | 12 | 25.67 |
| 315 | 358 | 174 | 422 | M12*50 | 12 | 34.12 |
| 355 | 464 | 237 | 472 | — | — | — |
Technical evidence
Review the product identity and available resources, then send the required size or measured outside diameter, pipe material, connection details, operating conditions, quantity, destination and supporting files.
Technical Downloads
Product FAQs
Which product should I specify?
Use PE Coupling – Lock-Ring Type in your enquiry so that AQUAFITTING can review the exact configuration.
Which PE flange adaptor belongs to the same design family?
PE Flange Adaptor – Lock-Ring Type belongs to the same Lock-Ring Type design family. The Compression-Grip Type flange adaptor and coupling form a separate design family.
What information belongs in my enquiry?
Include the product, size, connection details, operating requirements, quantity and destination.
Product selection
product name; DN or nominal size; actual pipe outside diameter; pipe material; end condition; working pressure; quantity; destination; required drawing or catalogue
Compare this product with the historical catalogue configurations. The linked reference page explains their differences and retains the original images and tables. Confirm the exact configuration and current drawing before quotation.
