Kirby Morgan 37SS

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Product Description


With all the ruggedness of the KM 77, the clear difference is that the KM 37SS has the SuperFlow® 350 regulator in the pod.

This helmet features an all stainless steel shell, as well as a stainless sideblock, helmet ring, bent tube, handle, and other key components.

This helmet is included in the Kirby Morgan helmets that have recently completed several months of testing for conformity to the new open circuit surface supplied CE and CR standards. KMDSI is the only manufacturer of diving helmets in the world whose products pass this stringent testing.

Handle: Removable grip and handle. Handle can be removed without breaking seals, making it quick and easy to attach accessories.

Stainless Steel Shell: After x-ray insection, each 316 stainless steel shell, is percision CNC machined to tight tolerances, to ensure proper fit to all other mating parts. The shell is durable and easy to maintain.

Defogging Steady Flow Valve: Provides additional flow of gas into the helmet for ventilation and defogging.

Emergency (EGS) Valve: Supplies backup breathing gas to the diver.

Gas Supply Non-Return Valve: Commercially Rated™. Prevents loss of gas pressure in the event of umbilical damage.

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

Rapid Change Modular Communication System: The module is easily removable. This allows for quick and trouble free repair and replacement. It is available with either a male waterproof connector or a bare wire post connection.

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

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.

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.

Head Cushion: Gives the helmet a secure, well balanced feel as well as excellent thermal protection during long work periods.

Air Train: Diffuses incoming breathing air/gas onto the face plate to defog the lens.
Silicone Oral Nasal Mask: Made of a superior silicone material which is hypo-allergenic and has a longer work life than latex.

Nose Block Device: Allows the diver to block the nose to equalize ears.

SuperFlow® 350: This all metal, fully adjustable, Commercial Rated™ demand regulator provides easy breathing and excellent performance with low pressure compressors.

Quad-Valve™ Exhaust System: Makes the helmet very dry with no loss of breathing performance.

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.

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.

Weight: 30.96 pounds

Helmet Shell: Stainless Steel

Control Knobs: Polyurathane

Lens: Scratch Resistant Polycarbonate

Neck Dam: Neoprene (Size Medium). See Accessories tab for other sizes and latex material.

O-Rings: Buna-N

Head Cushion: Nylon bag filled with #4 Polyester foam

Recommended Lubricants: All helmets and masks are lubricated at the factory with Christo Lube. KMDSI recommends Dow Corning 111 Silicone for all non-gas train components.

Regulator Performance

SuperFlow® 350 Performance: The SuperFlow® 350 regulator on the Kirby Morgan 37SS offers high performance. The regulator has been tested at Dive Lab at Panama City, Florida. It meets all current U.S. Navy and European diving standards.

Cage Code: The cage code for identifying KMDSI products for U.S. government purposes is 58366.

CR Standards: These helmets meet or exceeds all standards established by Dive Lab of Panama City, Florida, and are CR (Commercially Rated) marked.

CE Approved: The KM 37SS helmet is CE Approved.

The minimum operating temperature recommended for this helmet is 37°F, only in regards to regulator performance. At the time of this writing, no hot water shroud is available for this helmet for heating the diver’s breathing gas.

Without a hot water shroud, the diver may be subject to hypothermia due to cold gas inspiration temperatures. Kirby Morgan makes no physiological recommendations regarding minimum safe operating temperatures for divers using this helmet.

Usually the greatest danger of demand regulator icing will be encountered on deck when the surrounding air temperature is less than 32°F (0°C). This effect is primarily due to the refrigeration effect of breathing air pressure reduction, and the addition of moisture from the diver’s exhalation coming in contact with the topside air temperature.

Recommended overbottom (OB)gas supply pressure for best performance at depths are calculated by the formula (FSW x 0.445+14.7) + recommended PSIG.

Spare Parts Kits


Neck Dams

Neck Rings Ass’y

Head Cushions


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  • Helmet Type: Steel
SKU: N/A Categories: , .