Emergency hatches have been designed as resistant to extreme weather conditions. Depending on the customer request; they can be operated with special locking devices, balance weight, shock absorber system or gas spring system. While it allows opening with door handles on both sides, butterfly cleat sets only from outside, with handle in the gas spring system from the inside and outside, it also prevents interventions from the outside. It may be produced as steel, stainless steel or aluminum according to customer request.
There are optional accessories and cover insulation.
