Tamper Resistant Tri-Clamp (13MHHMTRC)
- Tamper Resistant Tri-Clamps
- Available in 304 Stainless Steel. Nuts are brass.
- Pressure ratings assume wing nut tightened to 20 ft/lb of torque.
- View Sizes and Dimensions
Avoid accidental opening of tri-clamp connections with Tamper Resistant Clamp.
This heavy-duty clamp offers you protection from the accidental opening of production lines. Pressure ratings for this clamp vary depending on application processing temperatures and tubing dimensions. Please consult the reference chart below for specific information.
Tamper Resistant Clamp Sizes & Dimensions
| Size (Tube OD) | Part Number | Service Pressure Rating at 70°F | Service Pressure Rating at 250°F | Dimensions |
| A | ||||
| 1/2 - 3/4" | 13MHHMTRC-.50-304 | 1500 | 1200 | 1.062 |
| 1" - 1-1/2" | 13MHHMTRC-1-304 | 500 | 300 | 2.046 |
| 2" | 13MHHMTRC-2-304 | 450 | 250 | 2.578 |
| 2-1/2" | 13MHHMTRC-2.5-304 | 400 | 200 | 3.110 |
| 3" | 13MHHMTRC-3-304 | 350 | 175 | 3.640 |
| 4" | 13MHHMTRC-4-304 | 300 | 150 | 4.744 |
How to Measure Tri-Clamp Fittings
Tri-Clamp Fittings and Gasket Sizing Guide
| Sanitary Size |
Flange OD (?) |
Tube ID (?) |
Tube OD (?) |
|---|---|---|---|
| 1/2″ | 0.984 | 0.370 | 0.500 |
| 3/4″ | 0.984 | 0.620 | 0.750 |
| 1″ | 1.984 | 0.870 | 1.000 |
| 1 1/2″ | 1.984 | 1.370 | 1.500 |
| 2″ | 2.516 | 1.870 | 2.000 |
| 2 1/2″ | 3.047 | 2.370 | 2.500 |
| 3″ | 3.579 | 2.870 | 3.000 |
| 4″ | 4.682 | 3.834 | 4.000 |
| 6″ | 6.562 | 5.782 | 6.000 |
| 8″ | 8.602 | 7.782 | 8.000 |
| 10″ | 10.570 | 9.782 | 10.000 |
| 12″ | 12.570 | 11.760 | 12.000 |
Looking for even more information on Tri-Clamp fittings?
We have everything you need. Read "The Ultimate Guide to Tri-Clamp Fittings"
Additional information
Line Drawings
| SKU | Description | Line Drawing |
|---|---|---|
| 13MHHMTRC-.50-304 | 1/2″-3/4″ Tamper Resistant Clamp |
|
| 13MHHMTRC-1-304 | 1″-1-1/2″ Tamper Resistant Clamp |
|
| 13MHHMTRC-2-304 | 2″ Tamper Resistant Clamp |
|
| 13MHHMTRC-2.5-304 | 2-1/2″ Tamper Resistant Clamp |
|
| 13MHHMTRC-3-304 | 3″ Tamper Resistant Clamp |
|
| 13MHHMTRC-4-304 | 4″ Tamper Resistant Clamp |
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