The hatch is made of aluminum or stainless steel with a bolt connection (12 bolts). Seats for an internal breathing valve, a recovery valve, an optical sensor and a locking mechanism can be provided.
The hatch is made of aluminum or stainless steel with a bolt connection (12 bolts). Seats for an internal breathing valve, a recovery valve, an optical sensor and a locking mechanism can be provided.
The hatch is made of aluminum or stainless steel for bolted connection (24 bolts). Seats for an external/internal breathing valve, a recovery valve, an optical sensor can be provided and be equipped with a locking mechanism.