World leaders in technology

Divex Diver Umbilicals

DEFENCE COMMERCIAL

Divex Twisted Umbilicals are the choice polyurethane does not deteriorate significantly of diving professionals including with age and remains flexible and abrasion construction, police, rescue and saturation resistant, therefore easily outlasting rubber HEAD OFFICE divers worldwide. and PVC hoses. Enterprise Drive Westhill Aberdeen Umbilicals used for diving applications Divex manufacture and stock the most AB32 6TQ operate in physically demanding conditions popular style of air dive umbilical detailed T: +44 (0)1224 740145 and provide the vital link between overleaf. Variations on umbilical fittings, F: +44 (0)1224 740172 and the surface. Diver’s umbilicals are the lengths and additional cables or hoses are lifeline from diver to the bell or surface while of course available but for rapid service the they work subsea. Umbilicals supply Divex Air Diver Umbilical is available gases, communications, power, video data, ex-stock in 50m, 75m and 100m lengths and possible to be normally ready to go the same day. reclaimed in the case of . Exceptional Safety, Quality & Diver Acceptance: The Divex Air Diver Umbilical ‘Surface Demand Umbilicals’, operate is professionally certified and completed in directly from the surface to the diver. ‘Wet GLOBAL every way: LOCATIONS Bell Excursion Umbilicals’ and ‘Saturation Aberdeen Bell Excursion Umbilicals’ operate via the 1 tested and certified to maximum Portsmouth main bells and their service umbilicals to the Bremen working pressure by qualified competent surface. All of these umbilical types are Perth Divex technicians. The hoses are then Sydney capable of withstanding tensile loading ‘blown through’ with breathing quality sufficient to lift the diver in an emergency. air to dry them. It is recommended that diving umbilicals are pressure tested Advantage by Design: twisted umbilicals annually or following any period of offer significant advantages including great extensive usage or loading. flexibility and strength while resisting 2 Electrical Continuity - tested in all kinking, and abrasion due to the inherently modes. strong ‘rope like’ structure. Such is the 3 Whipping of the attachment ‘D’ rings is breaking resistance that no additional safety carried out to ensure diver security, and a line is required. 3¾”/100mm Karabiner with screw lock mechanism is fitted to the diver end. discover more Unlike rubber or PVC compounds, used www.divexglobal.com previously for diving umbilicals, the hoses Universal Communications: The Divex are made predominantly from polyurethane. 4 wire communications system enables Polyurethane is a particularly clean unfilled simple utilisation of any diver surface polymer containing no plasticisers or radio and any mask/helmet communications potentially harmful additives. This ensures system. A laminated instruction card is breathing gas quality is maintained under all provided and attached to each umbilical as conditions from -40 OC to +60 OC. In addition, well as being explained overleaf. DD330-MDS-583 R1 World leaders in diving equipment technology

Wiring Options : Divex Air Diving Umbilicals In practise with surface demand are fitted as standard with 4 contact female diving techniques, the standard Divex 3 component umbilical comprises comms Divex RMG type connectors, wired thus: DEFENCE cable, gas hose and pneumo hose as COMMERCIAL detailed in the section drawing on the left. 1 2 4 Divex Universal Umbilical 3 All standardised umbilicals are manufactured and stocked with BSP fittings at the surface 9 end and /16 UNF fitting at the diver’s end, The surface end of the umbilical is terminated with comms wired for both simplex or with four separate wires fitted with single pin duplex communications options to suit your stacking ‘banana’ plugs to suit Divex air application. However should your diving radios (and most others). This permits requirements demand JIC fittings to suit wiring configurations for the following systems your dive panels then these can be to be achieved. manufactured to suit. Divex umbilicals can also incorporate light and TV/video cables, HEAD OFFICE Simplex and Duplex Comms Explained: hot water and gas reclaim hoses into the Enterprise Drive Simplex - the most common system used standard 3 component umbilical. Please Westhill and suitable for Divex/AGA masks, AH3 to discuss your requirements at time of order. Aberdeen 5 helmets and DSI masks and helmets. This AB32 6TQ T: +44 (0)1224 740145 system ensures that communications from F: +44 (0)1224 740172 the diver to the dive supervisor is always Cross Section of 3 Component Universal Umbilical

‘on’, unless the supervisor has activated the Construction 3 spring-loaded push-to-talk switch to speak 1 x /8” Polyurethane gas hose 1 to the diver. 1 x /4” Polyurethane pneumo hose 1 x Comms cable (comprising 2 x 0.50mm 2 screen Duplex - there is much confusion and twisted pairs) misunderstanding from within the industry Overall Diameter: Approx 30mm as to what ‘Duplex’ communications is. Simply put it enables all parties connected to the system to talk and listen at the same GLOBAL time. The advantage is that all parties can Standard Divex Umbilical at the Diver’s End LOCATIONS hear and speak; the disadvantage is that Aberdeen ambient surface noises, breathing noises and Portsmouth Bremen possible distressed diver noises are heard Perth by all. There is no opportunity for diver to Sydney surface bias as all parties communicate at once.

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DD330-MDS-583 R1 World leaders in diving equipment technology

Optional Umbilical Build Configurations Surface Demand/Sat/Stand-By

DEFENCE Excursion/Umbilicals can include services COMMERCIAL for diver’s gas supply, hot water, depth reading, telemetry, communications, hat light power, video transmission.

Surface Demand Umbilical or Wet Bell (Excursion Umbilical) Construction 3 1 x /8” Polyurethane gas hose 1 1 x /4” Polyurethane pneumo hose 1 x Comms cable 1 x mini-tv cable: 1 x 1.34mm 2 screen twisted pair 1 x 0.50mm 2 screen twisted pair 1 x 0.22mm 2 twisted pair 2 HEAD OFFICE 1 x 1.34mm conductor 1 x 75 coaxial cable Enterprise Drive Westhill Overall Diameter: Approx 41mm Aberdeen AB32 6TQ T: +44 (0)1224 740145 Surface Demand Umbilical with Hot Water F: +44 (0)1224 740172 Construction 3 1 x /8” Polyurethane gas hose 1 1 x /2” Polyurethane hot water hose 1 1 x /4” Pneumo hose 1 x Comms cable

Overall Diameter: Approx 30mm

Please Contact our Sales Department to discuss component configurations to suit specific diving GLOBAL requirements. LOCATIONS Aberdeen Portsmouth Bremen Perth Sydney

Divex Universal Umbilical - 50 Meters

Order Code DD3300504UFBA discover more www.divexglobal.com Divex Universal Umbilical -75 Meters

Order Code DD3300754UFBA

Divex Universal Umbilical - 100 Meters

Order Code DD3301004UFBA

DD330-MDS-583 R1