A) Handle
Removable Grip and handle. Handle can be removed without breaking seals, making it quick and easy to attach accessories.

B) Stainless Steel Shell
After x-ray inspection, each 316 stainless steel shell, is precision CNC machined to tight tolerances, to ensure proper fit to all other mating parts. The shell is durable and easy to maintain. Easily cleaned using a Scotch Brite^® or similar type cleaning pad

C) Defogging Steady Flow Valve
provides an additional flow of gas into the helmet for ventilation and defogging.

D) Emergency (EGS) Valve
supplies backup breathing gas to the diver.

E) Gas Supply Non-Return Valve
is Commercially Rated™. It prevents loss of gas pressure in the event of umbilical damage.

F) Side Block
Multi use side block has additional ports built in to provide controlled air flow, if needed.

G) Rapid Change Modular
Communications System Because the module is easily removed from the helmet, repair or replacement of communications parts is quick and trouble free. It is available with either a male waterproof connector or a bare wire post connection.

H) Whiskers Wings
Bubble deflecting Whisker wings keep bubbles further from face port and ears, improving visibility and decreasing internal noise.

I) Pull Strap
The strap has been improved with the addition of a stainless steel “D” ring. This makes for easier removal. It also allows the assembly to easily be hung for drying.

J) Positive-Lock™ Latch System
This latching system, developed by Kirby Morgan in 1992, consists of two sealed Positive-Lock™ pull pins which are pulled forward to release the neck collar and neck dam locking system. Even when the latches are released, the O-ring sealed neck dam maintains a positive seal and will not allow the seal to be broken until the collar actually clears the diver’s shoulders, thus helping to prevent any flooding of the helmet.

K) Head Cushion
The Head Cushion gives the helmet a secure, well balanced feel as well as excellent thermal protection during long work periods.

L)Internal Adjustable Chin Strap
The adjustable chin support, along with the adjustable neck pad on the locking collar gives the diver a comfortable, secure fit.

M) Adjustable Neck Pad
The helmet attached yoke system has an adjustable neck pad which is made from a scuff resistant elastomer. In conjunction with the spring activated front neck dam ring lock, it provides protection for the bottom of the Helmet

N) Rex^® Demand Valve (patents pending), with its full adjustment balanced piston is a breakthrough design that exceeds all requirements of all government or other testing agencies. It has the best work-of-breathing performance when compared to ANY other commercial diving helmet. This is our highest performing regulator, with the lowest breathing resistance and best work of breathing.

O) Nose Block Device allows the diver to block the nose to equalize ears.

P) Silicone Oral Nasal Mask is made of a superior silicone material which is hypo-allergenic and has a longer work life than latex.

Q) Air Train diffuses the incoming breathing air/gas onto the face plate to defog the lens.

Configurations

500-090

KM 77 Helmet w/Posts

500-091

KM 77 Helmet w/MWP

Specifications

Manual & Blowaparts Notices

Accessories, Kits & Neck Dams