L-Compression Reducing Coupling is documented in the Pp compression fitting category for its role as irrigation connection component. This page leads with catalogue evidence so engineers and buyers can identify the item before discussing commercial terms. Printed catalogue model references include N702025, N702031, N702032, N702038, N702039; use the technical matrix to keep each code with its own values.
Recorded technical information
The resolved source fields include Body Material, Clinching Ring Material, Maximum Working Pressure for 20-63 mm at 20°C, Maximum Working Pressure for 75-110 mm at 20°C, Nut / Blocking Bush Material. Values and units below are transcribed from the reviewed catalogue record.
| Catalogue field | Recorded value |
|---|
| Body Material | PP-B |
|---|
| Clinching Ring Material | POM |
|---|
| Maximum Working Pressure for 20-63 mm at 20°C | 16 bar |
|---|
| Maximum Working Pressure for 75-110 mm at 20°C | 10 bar |
|---|
| Nut / Blocking Bush Material | PP |
|---|
| O-Ring Material | EPDM |
|---|
| Reference Standards | UNI 9561-2,DIN 8076,ISO 14236,BRL-K03 |
|---|
| N702025 — D1 | 25 |
|---|
| N702025 — D2 | 20 |
|---|
| N702031 — D1 | 32 |
|---|
| N702031 — D2 | 20 |
|---|
| N702032 — D1 | 32 |
|---|
The source distinguishes 22 technical variants, including N702025, N702031, N702032, N702038, N702039. The complete matrix remains the authority for row-level comparison. Read the value and unit together. A blank characteristic is intentionally omitted rather than estimated from a photo or a similar listing.
How to select the correct variant
Match connection form, nominal size, thread or tube interface and any recorded pressure value to both mating components. Dimensions and labels in one technical row belong together; appearance alone cannot confirm interchangeability.
Start with the duty point, then eliminate variants whose recorded fields do not match. This prevents a familiar name from overriding the actual technical row.
Planning installation and first use
Prepare tube ends and mating surfaces according to the actual connection type. Keep parts aligned, use the correct insertion depth or thread practice, avoid unsupported tightening assumptions, and pressure-test the assembled section under the project procedure.
Keep the selected code with the installation record. It provides a traceable basis for troubleshooting and later replacement.
Inspection and maintenance guidance
Inspect for movement, leakage, damaged threads, distorted sealing areas and pipe stress. Identify the exact size and variant before replacement, and do not reuse a damaged sealing element merely because the fitting still connects.
A maintenance note should identify the exact code, location and symptom. That evidence is more useful than a generic request for a similar part.
What to include in a technical enquiry
For a precise enquiry, state the product name L-Compression Reducing Coupling, reference N702025, required quantity, destination, selected technical row and the project values that must be confirmed. Include the recorded comparison point Body Material: PP-B.
Use the Pp compression fitting category to compare related product types and maintain a clear internal path from category research to this specification page. Attach drawings or connection photographs when they affect identification, and ask for a written response to every open compatibility point.
