Traps

It’s A Trap!

There are numerous vacuum pump traps on the market and everyone agrees they are a best practice tool for preserving/extending vacuum pump life or the time between vacuum pump maintenance.

Why you should consider a vacuum pump trap in between your vacuum oven and vacuum pump:

Traps help prolong the life of your pump. Vacuum pumps ingest all the outgassing material (solvents, water, etc.) Over time and without routine maintenance, the vacuum pump will lose efficiency.

Traps can help isolate outgassed material you want to reclaim. But keep in mind, a trap will trap a mix of everything, the stuff you want to keep and the stuff you want to dispose of.

Safety. At very cold temperatures, solvents and even oxygen can re-condense back into liquid. This is potentially explosive. Liquid oxygen is a light blue color and can condense into a cold trap if a pump has sucked air through the trap when the trap is very cold. Always follow your standard operating procedures and safety guidelines.

Which Trap Do I Need?

MAXTRAP50 – $5,900

-50C Cold Trap Optimized For Demanding, High-Throughput Vacuum Applications
Don’t slow down the vacuum purge. Cascade’s MAXTRAP50 is a mechanically refrigerated cold trap with large KF-25 fittings and lines and a patent pending baffle system to afford enough surface area to trap optimally. Designed for systems with larger KF-25 vacuum lines and vacuum pumps with KF-25 inlets running time-sensitive, high-throughput, production-focused vacuum purging or drying applications.

Dry Ice Trap – $950

A cost effective, non-mechanically refrigerated stainless steel vessel that can be made cold by filling with dry ice/ethanol slurries. The stainless steel jar is set into a cold slurry mix of ice/ alcohol/ dry ice. The cold surface of the trap collects and attracts components that would otherwise be ingested by the vacuum pump.

The Coldwell – $1,400

The Coldwell is the stainless steel jar that sets inside the MAXTRAP50. It has a patent-pending baffle system that provides more surface area for material to condense. If you are not using the MAXTRAP50, the Coldwell can be placed inside an ice bucket to provide the cold temps necessary for condensation. For optimal performance purchase the MAXTRAP50 which includes the Coldwell.

Passive Filter Trap – $150

Use with vacuum pumps and ovens with a 3/8th Diameter line and connections. An easy and inexpensive way to try filter out larger particulates that your vacuum pump may ingest. Submerge it in an ice bucket for a cold trap effect. Clear glass shows what is being collected. The steel wool filter material can be cleaned and reused. Use with vacuum pumps like the Welch CB2052 with 3/8th connection barbs.

Foreline Trap – $236

Are you using an oil rotary vane pump? Eliminate the risk of contaminating your product. A Foreline Trap is not a cold trap. Foreline traps are a filter on the inlet of an oil rotary vane pump. recommended for use on oil rotary vane pumps to avoid vacuum pump oil from backstreaming up inside the oven, potentially contaminating the product inside. Check out this video demonstrating the installation and use of a foreline trap on an oil rotary vane vacuum pump.

 
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