
NORRES CONNECT TANK TRUCK BRASS 252
Tank truck coupling in brass – EN 14420-6
The NORRES CONNECT TANK TRUCK BRASS 252 is a robust brass coupling for tankers and silos – suitable for loading, unloading and conveying of dry media and liquids. The series includes hose tails (corrugated or smooth), coupling parts with internal thread (Type FC / Type MC) and matching seals. Manufactured according to EN 14420-6. Not suitable for explosive liquids (Group 1) and not part of the Pressure Equipment Directive. Complies with REACH.
Properties and design
- Standard: EN 14420-6.
- Material: brass.
- Versions: hose adapter with male thread (corrugated tail), hose adapter with male thread (smooth tail + locking ring), coupling parts with female thread (Type FC / Type MC) and sealing rings (NBR lip seal, PU thread seal).
- Not suitable for explosive liquids (Group 1) and not PED equipment.
Applications
For silo and tanker systems: filling, unloading and transfer of dry media (powder or granulate) and liquids in industrial and transport applications.
Technical note
Select the hose tail according to hose type: corrugated tail for clamping assembly (CONNECT 229) and smooth tail with locking ring for safety clamp assembly (CONNECT 231). Always check the correct seal type (NBR lip or PU thread seal) and replace regularly to maintain tightness under vacuum and pressure. Data and order numbers as per EN datasheet.
Recommended accessories
- CLAMP 211, CLAMP 212, CLAMP 216
- CONNECT 229 CLAMP ASSEMBLY
- CONNECT 231 SAFETY CLAMP ASSEMBLY
- CONNECT 230
Need help choosing the correct version?
Contact us for advice on sizing, assembly and seal compatibility for your tanker or silo system.
FAQ: CONNECT TANK TRUCK BRASS 252
Which standard does the 252 series comply with?
EN 14420-6. Not suitable for explosive liquids (Group 1) and not covered by the Pressure Equipment Directive.
Which variants are available?
Hose adapters with male thread (corrugated or smooth tail), coupling parts Type FC/MC (female thread) and replaceable seals.
What is it used for?
For silo and tank truck connections handling dry media and liquids under pressure or vacuum.
Which accessories fit?
CLAMP 211, 212, 216 and CONNECT 229 / 231 assemblies.
Technical specifications – CONNECT TANK TRUCK BRASS 252
1) Hose adapter with male thread – corrugated tail (for CONNECT 229 CLAMP ASSEMBLY)
| Size (mm) | Weight (kg/pcs) | Suitable for hose I.D. (mm) | Order No. |
|---|---|---|---|
| 50 | 0.33 | 50 | 252-0050-8813 |
| 80 | 0.85 | 75 | 252-0075-8813 |
| 100 | 2.04 | 100 | 252-0100-8813 |
2) Hose adapter with male thread – smooth tail + locking ring (for CONNECT 231 SAFETY CLAMP ASSEMBLY)
| Size (mm) | Weight (kg/pcs) | Suitable for hose I.D. (mm) | Order No. |
|---|---|---|---|
| 50 | 0.34 | 50 | 252-0050-8823 |
| 80 | 0.83 | 75 | 252-0075-8823 |
| 100 | 1.63 | 100 | 252-0100-8823 |
3) Type FC – coupling part with female thread (including lever ring)
| Size (mm) | Weight (kg/pcs) | Order No. |
|---|---|---|
| 50 | 0.67 | 252-0050-8297 |
| 80 | 1.17 | 252-0075-8297 |
| 100 | 1.72 | 252-0100-8297 |
4) Type MC – coupling part with female thread (“male curved section”)
| Size (mm) | Weight (kg/pcs) | Order No. |
|---|---|---|
| 50 | 0.31 | 252-0050-8497 |
| 80 | 0.75 | 252-0075-8497 |
| 100 | 1.13 | 252-0100-8497 |
Spare parts – seals
| Description | Size (mm) | Weight (kg/pcs) | Order No. |
|---|---|---|---|
| Lip seal for Type MC, NBR (black) | 50 | 0.09 | 252-0050-8068 |
| 80 | 0.02 | 252-0075-8068 | |
| 100 | 0.02 | 252-0100-8068 | |
| Thread seal, PU (black) | 50 | 0.003 | 252-0050-8078 |
| 80 | 0.005 | 252-0075-8078 | |
| 100 | 0.009 | 252-0100-8078 |





