• Filter: No
• Material: PE
• Open/Close Pressure:20-70/5-45 mm H2O

Heat seal degassing valve without filter for manual and automatic equipment that runs Wipf/Sig valves.
FUNCTION: One-way degassing valve for whole bean coffee or other large, off-gassing particles that need protection from oxygen and moisture. Valve adheres to the polyethylene (PE) interior of the package via heat seal or ultrasonic seal for application at high speeds and can be applied using existing equipment in the field.