TWF Services manufactures large multi-place chamber shells for clinical hospital or commercial diving use. All chambers are manufactured in accordance with the latest addition of the ASME-PVHO code. Chambers can be built to section VIII, Division 1 or 2 requirements. All chambers are manufactured to the customers' requirements and are customized to meet your requirements as an end user.

Chamber shells can be provided 60", 72", 84" 96" and 108" inside diameters with any combination of entry and main lock lengths desired.

Circular manways are supplied in 30", 42" and 51" diameters. Rectangular manways can be installed on chamber shells that are 84" ID and larger. All doors are o-ring sealed and are mounted on heavy-duty double pivoting hinges to assure long service with little maintenance.

Viewports are available in 3", 4", 8" and 12" viewing diameters and are supplied with external protective covers. External surface of housings are drilled to allow attachment of TV or remote camera brackets. Viewport assemblies can be supplied for installation into existing chambers, please contact us for details.

All penetrations for life support piping and auxiliary equipment are 316 stainless steel and can be provided in NPT, Straight thread o-ring seal, or replaceable bolt type assemblies.

All chambers carry a one (1) year warranty that covers any material or workmanship defects that may occur during the first year of service.