Sealing Low-Compressive Loads with Multi-Swell™ Style 3760

When you can’t get an effective seal because the compressive load on a gasket is too low, or because the flanges aren’t rigid enough to compress standard gasketing material in the areas between bolts, Web Seal recommends the new Multi-Swell Style 3760 gasketing material from Garlock.

Multi-Swell™ is a combination of aramid fibers with a unique rubber binder, producing a highly compressible material.  Aramid fibers are composed of lightweight, high-strength reinforcement polymers that provide great flexibility as well as resistance.  The Multi-Swell™ material, interacting with water or oil, creates a seal by causing the gasketing material to swell, thereby creating load.

Ideal for compressors, generators, pumps, fuel pumps, gear boxes, cast water flanges, transformers, access, and other covers, Multi-Swell™ minimizes waste and reduces maintenance.  It can help cut down on inventory, too, by replacing gaskets that swell in oil only.

Benefits of Multi-Swell Gasketing Material

There are a number of advantages in fabricating gaskets using Multi-Swell™ Style 3760 over standard elastomeric or cloth-inserted gaskets:

• More compressible and seals with low loads
• Handles much higher flange loads
• Operates at much higher internal pressures
• Does not weep, improving plant safety

Use in environments between -100˚F and 400˚F (continuous operation), with maximum pressure of 500 psi.

For NSF 61 requirements (drinking water), specify Multi-Swell™ 3760-U.

Web Seal can provide prototypes and custom fabricated parts from Multi-Swell™ Style 3760 for your specific applications.