feature

advantage

benefit

stainless steel, acid-treated in a pickling bath and passivated

long life, hygienic

cost-saving as no refurbishing is required

stormwater-tight

protection against wetness

dry manholes

stainless steel gas pressure spring

easy to open (corrosion-resistant as well)

easy to open by one person

covered hinges

prevention of unauthorised access

burglarproof

self-retracting anti-closing device

no need for manual service

protection against unintended closing

self-retracting lock

quick and easy to close

again easy to operate

protective hood of brass

prevents injuries, protects against wetness, serves as an additional safety lock

maintenance-free

cover plate with a centrally raised profile

stormwater runs off; stability

walkable; stagnant water is prevented

vapour hood

optimal manhole ventilation

dry manholes

insect filter

prevents the entrance of small animals

ventilation without any risk of pollution

foamed insulation

complete thermal insulation without any cold bridges

reduces formation of spray water

frames suitable for combination

suitable for two installation types

installation is possible prior to and after completion off the structure, wrong purchases are avoided

safety lock suitable for retrofitting

additional safety lock

to be retrofitted whenever requested

available from stock

short-term availability

short delivery times avoid site standstills