Compact, affordable, and built to the highest industry safety standards, the robust PCCI’s Hyperbaric Systems Model 6203D  

and 8003D TBM Manlocks are designed  for installation on Tunnel Boring Machine Shields. These Manlocks are typically

 binocular in shape however, they can be customized to accomodate customer needs.  

Our Manlocks are specifically designed to facilitate entry and exit out of the TBM. 

 

Manlocks are typically rated for up to 6 occupants (3 per lock) however, they can be tailored 

to fit specific occupancy needs. Normal pressure ranges for commonly used applications

range from 30 psig (~2 bar) to 147 psig (~10 bar).