Kirby Morgan KMACS 5 Portable Air Control System

The KMACS 5 controls the diver's air supply, communications and monitors the diver's depth. It allows two divers clear push-to-talk (two wire) or round robin (four wire) communications. The KMACS 5 is also available without communications.
The air supply can be from either a low pressure compressor or high-pressure cylinders. The KMACS 5's adjustable first stage regulator reduces the high-pressure air and supplies low pressure through the umbilical to the diver's breathing system. High pressure yokes with DIN adapters permit U.S. standard scuba cylinders or DIN valve cylinders to be used. A low pressure air supply fitting allows for a L.P. compressor to be used as the primary air source.
A complete pneumo system with dual reading gauges (both US Standard and Metric) is provided for each diver, as well as a shut-off/bleed system that uses two high-pressure feed lines which allows changing of used cylinders without interruption of the diving operation. Shut off valves allow the isolation of each diver's air supply. The Communication Set is a multipurpose intercommunication system that provides reliable and clear communications between a topside operator (tender) and one or more surface-supported divers, diving bells, personnel transfer capsules (PTC)s, recompression chambers, or other submersible systems. The lightweight, high impact polyethylene plastic case features double wall construction and extra thick corners that ensure exceptional strength and a long work life. An O-ring seal protects hardware from moisture when the case is closed. All latches are stainless steel for maximum work life.

Depth Gauge/Pneumo Systems
Dual reading gauges are accurate to + 1/4 of 1% of scale, continuously monitoring the diver's depths from 0-250 FSW (0-78 MSW). Maximum recommended user depth: 130 FSW.

Depth Monitoring/Pneumo Knob
Used to meter the flow of air used for depth measurement.

High Pressure (HP) Supply Gauges
Directly monitors the pressure in each of the air supply cylinders.

High Pressure Air Supply Yokes
High Pressure Air Supply Yokes with DIN fittings. Each yoke has a bleeder valve for rapid cylinder changing. H. P. Supply Max. 4500 P.S.I. (300 Bars )
Low pressure Air Supply Fitting
Allows a low pressure compressor to be used as the primary air source. Low Pressure Supply Max. 225 P.S.I.

Regulator Adjustment Knob
Controls the air pressure delivered to the diver's umbilical. Variable pressure settings from 115 P.S.I. to 225 P.S.I. are obtainable.

Selector Valve Handle
Used to choose either one of the air supply cylinders. Individual cylinders may be changed out with no interruption of the dive.

Shut Off Valve
Controls the air supply to both divers. When the valve handle is up (vertical) the valve is open. When the valve handle is down (horizontal) the valve is closed.
The Stainless Steel Air Outlets fittings
Connect the diver's air supply hose and depth monitoring/pneumo hose to the KMACS, providing a strong, reliable, corrosion resistant connection. Shut-off valves allow the isolation of one diver's air supply from the other.

Umbilical Pressure Gauge
Provides a constant reading of the pressure in the diver's umbilical. The scale on the gauge is 0-300 P.S.I. (0-20 Bar). Recommended umbilical pressure range 150-225 P.S.I.

Weight: 400-046 KMACS 5 With communications: 57 pounds
Outer Dimensions: Length = 21 inches
Height: 17 1/2 inches
Operational Specifications & Limitations:
Use: For SS Air diving only. Pure oxygen MUST NOT be used. Compressed air from high pressure tanks (scuba or other types of compressed air tanks), or from a compressor should be the only supply to the KMACS 5.
Recommended Maximum Dive Support Depth: 130 fsw (feet of sea water) (40 meters).
High Pressure Supply Pressure Maximum: 3500 psi (240 bars) using the DIN fitting. 3000 psi (200 bars) using the yoke.
Low Pressure Supply Pressure Maximum: 225 pounds per square inch. (15.5 bars)
Umbilical Pressure Range: 115-225 pounds per square inch. (8-15.5 bars)
Regulator Output: 40 SCFM at 2500 psi (172 bars) supply pressure with 150 psi (10.3 bars) delivery pressure.
Relief Valve: Set at 300 psi (20.7 bars).
Pneumo Fathometer Range: 0-250 FSW (feet of sea water) (0-76 meters).
Communicator: 4 Wire System. Can also be used in 2 wire mode.
Battery Type: Rechargeable, 12 volt system.
Battery Performance: 20 hours of continuous use between charges in 4 wire mode.
Charger: Will accept external 12 volt source.
Communicator Power Output: 8 watts.
Communicator Frequency Response: 600 to 12,000 HZ.
Remote Operation Capability: Yes, with optional unit.
Direct Recording Capability: Yes.

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