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DESCO Diving Helmets


DESCO Helmets DESCO Corporation has been manufacturing commercial diving equipment since 1937 and continues to provide top quality equipment, keeping pace with the evolving industry, under the leadership of Ric Koellner.

Their range of helmets includes both classical and contemporary designs, all manufactured using time proven techniques and materials.




The DESCO Air Hat

The DESCO Air Hat was first designed in 1968 and has continued to be enhanced since then to meet the needs of the commercial diving industry. The hat is designed to maximise safety, durability, and reliability and to keep routine maintenance and care simple.

The DESCO Air Hat is a free flow helmet that is remarkable for both its ruggedness and its simplicity of design. It is ideal for working in hazardous environments where contamination of the diver is a concern. The free flow or overpressure design allows for a constant positive pressure to be maintained in the Air Hat. The standard double exhaust incorporates two separate successive seals to restrict the possibility of leak back.

diving helmet diving helmet

The Air Hat can be donned and removed by the diver without assistance from the tender. Using the adjustable exhaust valve the Air Hat can be adjusted to either side of neutral bouyancy underwater with ease. It has a low centre of gravity and excellent fore and aft balance so it rests comfortably on the divers head. The interior headliner is adjustable for size and the foam pads are covered in leather for comfort.

The Air Hat comes standard with a neck dam and leading dry suit manufacturers offer a DESCO yoke to directly mate the helmet to the dress in place of the neck dam. Installation of the insert ring to the dry sit is quick and easy, and does not require tools. Sealing of the Air Hat at the neck is achieved with two independent but complementary seals which are air and watertight.

The DESCO Air Hat can be disassembled and reassembled using only a screwdriver and wrench.

Standard Features of the DESCO Air Hat are

  • Double air inlet valve with non returns (bail out non return threaded for SCUBA whip)
  • Adjustable double exhaust valve
  • Stainless steel air control valve rated at 6,000psig
  • Two video/light blocks
  • Communications housing fitted with two binding posts, with a four wire communication plug connection option
  • Two wire communications mike/speaker with binding posts
  • Tin plated finish
  • Brass parts have high polish finish
  • Size 15 neck dam (other sizes can be substituted on request)
  • Adjustable safety jock strap

Optional features for the DESCO Air Hat are

  • Painted finish
  • Four-wire Marsh Marine type communications plug assembly
  • Welding shield

The Heavyweight - Three Light Commercial Helmet

This heavy commercial helmet uses the standard commercial pattern breastplate and top shell. It is similar in material and construction to the U.S. Navy Mark V but makes use of a simpler, although equally rugged design.

diving helmet

The breastplate will fit dresses with a commercail collar only.

Standard Features of the Three Light Commercial helmet are

  • Double spring, adjustable tension, automatic exhaust valve with exterior star-wheel
  • Non-return valve with standard submarine threads
  • Breastplate eyelets for hose and lifeline attachments
  • Breastplate and faceplate gaskets
  • Spring lock
  • Front window is circular and uses a screw in type faceplate
  • Side windows are oval and are mounted horizontally (they can be mounted vertically on request)

Optional features for the Three Light Commercial helmet are

  • Spitcock
  • Telephone cup
  • Transceiver
  • Telephone gooseneck

Other Models

There are more DESCO helmets available (see the gallery ) that are suitable for a wide range of applications and DESCO helmets can be fitted with a range of Hunter dry suits, also available from SatSim.

Contact us for a more details and a quote.

Hunter dry suits


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