Purity Tri-Clamp (P13MHHM)
- Purity Clamp Tri-Clamps
- Available in 304 Stainless Steel.
- Pressure ratings assume wing nut tightened to 20 ft/lb of torque.
- View Sizes and Dimensions
Note: This product has been discontinued. Once inventory is gone we will not be replacing it.
High-Purity Tri-Clamp to secure tri-clamp connections.
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.
Purity 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" | P13MHHM-.50-304 | 1500 | 1200 | 1.125 |
| 1" - 1-1/2" | P13MHHM-1-304 | 500 | 300 | 2.122 |
| 2" | P13MHHM-2-304 | 450 | 300 | 2.654 |
| 2-1/2" | P13MHHM-2.5-304 | 400 | 200 | 3.185 |
| 3" | P13MHHM-3-304 | 350 | 195 | 3.717 |
| 4" | P13MHHM-4-304 | 300 | 150 | 4.820 |
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 |
|---|---|---|
| P13MHHM-.50-304 | 1/2″ — 3/4″ Single-Pin Purity Clamp (P13MHHM) |
|
| P13MHHM-1-304 | 1″ — 1 1/2″ Single-Pin Purity Clamp (P13MHHM) |
|
| P13MHHM-2-304 | 2″ Single-Pin Purity Clamp (P13MHHM) |
|
| P13MHHM-3-304 | 3″ Single-Pin Purity Clamp (P13MHHM) |
|
| P13MHHM-4-304 | 4″ Single-Pin Purity Clamp (P13MHHM) |
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What is the difference between this clamp and the regular 13MHHM clamp?
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Q What is the difference between this clamp and the regular 13MHHM clamp?A
The purity clamp has an enclosed wing nut. It's also highly polished whereas the 13MHHM is not. You'll notice that the "A" dimension for this clamp is also slightly bigger than the standard clamp, this is because the purity clamp is truly a spherical clamp.