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This section includes a detailed description of the Kirby Morgan Diamond®, as well as important operational specifications.


34.8 Pounds


Stainless Steel


Scratch Resistant Polycarbonate


Optional latex neck dam available


Nylon bag filled with #4 Polyester foam

Kirby Morgan recommends Christo-Lube® or equivalent for all gas train components. Dow Corning® 111 Silicone or equivalent may be used for this helmet ONLY when noted.

The Inhalation body and Pod is one complete unit with the regulator based on the Kirby Morgan 455 Balanced Regulator.

The minimum operating temperature recommended for this helmet is 34 °F (1 °C), without the use of the water shrouds and hot water.


Without a hot water and the shroud system, the diver may be subject to hypothermia due to cold gas inspiration temperatures.