Photo Credit: Mass-Vac Inc.
The MV Multi-Trap Vacuum Inlet Trap from Mass-Vac Inc. (North Billerica, Mass., U.S.) combines a full knockdown first-stage baffle with multiple stainless steel gauze filters to protect extruder vent lines and vacuum pumps from the volatile extrusion process byproducts. Said to be superior to knockout pots, this trap is suitable for all plastic extruders.
Fabricated from 304 stainless steel, MV Multi-Trap Vacuum Inlet Traps are available for pump capacities to 2000 CFM. Offered with 1.5-6.0-in. port sizes, options include drains and float switches for the automatic disposal of volatile compounds where necessary, and other filter types for vapors.