
NORRES CONNECT TRI-CLAMP FITTING 245
Hygienic stainless-steel Tri-Clamp adapter for food and pharmaceutical applications
The NORRES CONNECT TRI-CLAMP FITTING 245 is a hygienic stainless-steel (AISI 316L) adapter designed for safe and leak-free hose connections in food, beverage, and pharmaceutical process systems. Manufactured according to DIN 32676 and ISO 2852, it ensures gas- and liquid-tight coupling between flexible hoses and process equipment. Matching accessories include FDA-approved white silicone seals, clamps, and weld-on adapters in stainless steel.
Properties and design
- Tri-Clamp adapter made of stainless steel 1.4404 (AISI 316L), stamped design.
- Complies with RoHS directive and REACH regulation.
- Temperature range −40 °C to +90 °C.
- Available in DIN 32676 and ISO 2852 standards.
- Gas- and liquid-tight when supplied as pre-fitted version.
Applications
Ideal for hygienic process installations in food, dairy, and pharmaceutical industries, including vacuum conveying, dosing systems, tablet presses, and process lines where quick, clean, and detachable connections are required.
Technical note
The Tri-Clamp standards DIN 32676 and ISO 2852 are widely used in hygienic process environments with stringent cleaning and traceability requirements. When combined with antistatic or stainless-steel NORRES hoses, the fitting can be used in ATEX-classified areas where electrical continuity and equipotential bonding are required. Always select seals approved for the specific medium (typically FDA-compliant silicone, EPDM, or PTFE).
Recommended accessories
- CONNECT 231 / 232 / 233 – complete clamp and press assemblies.
- CONNECT 228 – adapters and transition pieces for AIRDUC® / PROTAPE® series.
Need help choosing the correct assembly?
Contact us for advice on selecting the proper Tri-Clamp fittings, gaskets, and compatible hoses for your process system.
FAQ: NORRES CONNECT TRI-CLAMP FITTING 245
What is the TRI-CLAMP FITTING 245 used for?
It connects flexible hoses to process equipment in food and pharmaceutical systems requiring hygienic design.
Which standards does it meet?
Manufactured according to DIN 32676 and ISO 2852, compliant with RoHS and REACH.
What is the material?
Stainless steel 1.4404 (AISI 316L) with FDA-approved white silicone gasket.
Can it be used in ATEX zones?
Yes, when combined with antistatic hoses and proper equipotential bonding.
Which sizes are available?
From Ø 25 mm to Ø 151 mm (DIN) and 1" to 4" (ISO). See technical tables below.
Related links
Technical specifications – CONNECT TRI-CLAMP FITTING 245
1) Adapters – DIN 32676 (AISI 316L)
| Nominal width | Flange Ø (mm) | Weight (kg/pcs) | For hose I.D. (mm) | Order No. |
|---|---|---|---|---|
| 25 | 50.5 | 0.090 | 25 | 245-0025-2914 |
| 32 | 50.5 | 0.090 | 32 | 245-0032-2914 |
| 40 | 50.5 | 0.080 | 40 | 245-0040-2914 |
| 50 | 64.0 | 0.160 | 51 | 245-0050-2914 |
| 65 | 91.0 | 0.180 | 65 | 245-0065-2914 |
| 80 | 106.0 | 0.380 | 80 | 245-0080-2914 |
| 100 | 119.0 | 0.420 | 101 | 245-0100-2914 |
| 150 | 183.0 | 1.200 | 151 | 245-0150-2914 |
2) Adapters – ISO 2852 (AISI 316L)
| Size (inch) | Flange Ø (mm) | Weight (kg/pcs) | For hose I.D. (mm) | Order No. |
|---|---|---|---|---|
| 1" | 50.5 | 0.09 | 25 | 245-0025-2923 |
| 1 ½" | 50.5 | 0.11 | 40 | 245-0040-2923 |
| 2" | 64.0 | 0.16 | 51 | 245-0050-2923 |
| 2 ½" | 77.5 | 0.17 | 65 | 245-0065-2923 |
| 3" | 91.0 | 0.35 | 76 | 245-0075-2923 |
| 4" | 119.0 | 0.42 | 101 | 245-0100-2923 |
3) Seals – DIN 32676 (white silicone, FDA)
| Nominal width | Flange Ø (mm) | For hose I.D. (mm) | Order No. |
|---|---|---|---|
| 25 | 50.5 | 25 | 245-0025-8912 |
| 32 | 50.5 | 32 | 245-0032-8912 |
| 40 | 50.5 | 40 | 245-0040-8912 |
| 50 | 64.0 | 50 | 245-0050-8912 |
| 65 | 91.0 | 65 | 245-0065-8912 |
| 80 | 106.0 | 80 | 245-0080-8912 |
| 100 | 119.0 | 100 | 245-0100-8912 |
4) Weld-on adapters – DIN 32676 (AISI 316L)
| Nominal width | Flange Ø (mm) | For hose I.D. (mm) | Order No. |
|---|---|---|---|
| 25 | 50.5 | 25 | 245-0025-8913 |
| 32 | 50.5 | 32 | 245-0032-8913 |
| 40 | 50.5 | 40 | 245-0040-8913 |
| 50 | 64.0 | 50 | 245-0050-8913 |
| 65 | 91.0 | 65 | 245-0065-8913 |
| 80 | 106.0 | 80 | 245-0080-8913 |
| 100 | 119.0 | 100 | 245-0100-8913 |
5) Clamps – stainless steel
| Flange Ø (mm) | Order No. |
|---|---|
| 50.5 | 245-0025-8914 |
| 64.0 | 245-0050-8914 |
| 77.5 | 245-0055-8914 |
| 91.0 | 245-0065-8914 |
| 106.0 | 245-0080-8914 |
| 119.0 | 245-0100-8914 |
6) Seals – ISO 2852 (white silicone, FDA)
| Size (inch) | Flange Ø (mm) | For hose I.D. (mm) | Order No. |
|---|---|---|---|
| 1" | 50.5 | 25 | 245-0025-8916 |
| 1 ½" | 50.5 | 40 | 245-0040-8916 |
| 2" | 64.0 | 50 | 245-0050-8916 |
| 2 ½" | 77.5 | 65 | 245-0065-8916 |
| 3" | 91.0 | 75 | 245-0075-8916 |
| 4" | 119.0 | 100 | 245-0100-8916 |
7) Weld-on adapters – ISO 2852 (AISI 316L)
| Size (inch) | Flange Ø (mm) | For hose I.D. (mm) | Order No. |
|---|---|---|---|
| 1" | 50.5 | 25 | 245-0025-8917 |
| 1 ½" | 50.5 | 40 | 245-0040-8917 |
| 2" | 64.0 | 50 | 245-0050-8917 |
| 2 ½" | 77.5 | 65 | 245-0065-8917 |
| 3" | 91.0 | 75 | 245-0075-8917 |
| 4" | 119.0 | 100 | 245-0100-8917 |
All values measured at approx. 20 °C. Subject to technical modifications.





