Encapsulated opening aid

Gekapselte Drehfederöffnungshilfe

Applications

Clean room, hazardous environment, biotechnology, pharmaceutical industry, food industry

Advantages

Internal spring (sealed)
Spring available in different sizes, therefore adaptable to different torques
Compact design
Almost frictionless rotation
Spring assembly easy to disassemble
Replaceable without welding
Hygienic design
Approved for ATEX Zone 1
Maximum torque: 190Nm
Spring is designed for lifetime
Spring force is only effective up to a cover opening angle of approx. 90°
Stop for opening angle exchangeable (also for other opening angles)
Locking bolt can be retrofitted in end position (screwed)

Problem cases of the conventional torsion spring opening aid

Abrasion of metal particles due to friction between torsion spring and bearing or between the individual coils
Difficult to clean
Unhygienic design
Only approved for ATEX Zone 2
Lid could fall shut in case of spring breakage
Maximum torque: approx. 100Nm

291A3148

291A3154

291A3163

291A3169

291A3172