Sight Glass Tri-Clamp Spool Assembly (54SPOOLMP)
Sight Glass Tri-Clamp Spool Assembly (54SPOOLMP)
- Ideal for simple sight requirements
- Comply with the code of federal regulations CFR177.1010
- Standard clamp torque is required (25 in/lbs)
- Custom Lengths Available: Contact Us
- IMPORTANT: Do not overtighten clamp!
Note: Not recommended for use with abrasive products. Do not use 2-bolt high-pressure clamps.
Description
Acrylic tri-clamp spool assemblies allow visibility to processing material at a reasonable price.
The shatter-proof acrylic material is a less expensive alternative to standard sight glasses. These spool assemblies work in tandem with other tri-clamp fittings to create a leak-proof system. IMPORTANT: Do not overtighten clamp!Part Number | Sanitary Size | Size Length | Maximum Cold Working Pressure (PSI) (@70°F) | Pressure (PSI) @ Maximum Allowable Temp. (@140°F) | Inside Diameter (Reference ID) | Outside Diameter (Reference OD) | Line Drawing |
---|---|---|---|---|---|---|---|
54SPOOLMP-1.5-ACRYLIC | 1.5" | 2.0" | 145 | 100 | 1.295" | 2" | Request Drawing |
54SPOOLMP-2-ACRYLIC | 2" | 2.0" | 145 | 100 | 1.835" | 2.625" | |
54SPOOLMP-3-ACRYLIC | 3" | 7.500" | 120 | 75 | 2.817" | 3.625" | Request Drawing |
54SPOOLMP-4-ACRYLIC | 4" | 7.625" | 75 | 30 | 3.750" | 4.750" | Request Drawing |
Watch How to Measure Tri-Clamp Fittings

Tri-Clamp Fittings and Gasket Sizing Guide

Sanitary Size | Flange OD ( ? ) | ID of Tube ( ? ) | OD of Tube ( ? ) |
---|---|---|---|
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 |
Frequently Asked Questions
Read our guide to Frequently Asked Questions about Tri-Clamp FittingsReviews
Questions & Answers 3
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Do you have different sizes of this product?
We are looking for a 4" sanitary size. 36" long. Sight Glass.
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Q Do you have different sizes of this product? We are looking for a 4" sanitary size. 36" long. Sig...... Read moreA
Unfortunately, this is the longest available version of this particular tri-clamp sight glass.
Sanitary Fittings Rep,
Are the 2” OD x 1.87” ID TC sight glasses available in longer lengths (like 24”).
Thanks,
-Dan
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Q Sanitary Fittings Rep, Are the 2” OD x 1.87” ID TC sight glasses available in longer lengths (li...... Read moreA Sorry, but our tri-clamp sight glasses only come in limited overall lengths. While it might not be ideal, some customers have combined multiple sight glasses to achieve their desired overall length.
What is the psi rating on this product?
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Q What is the psi rating on this product?A We are currently in the process of having these fittings tested for PSI. I will report back as soon as we have some conclusive data for you.