Abstract: Triplicate Diving Gas Valve Device, comprising: a siren unit, a Life Coat Inflation unit and a User's Respiration Unit. The Siren drives its alarm sounding by reciprocating pounding of piston in a cylinder, by reason of this, the siren will serve its purpose ready submerged in waters or on the surface. The Gas Valve can be used in combination with both the Life Coat and the Respiration Mouthpiece, it can be manipulated manually using one hand expeditiously for triplicate services including: Life Coat Inflation/Deflation, siren alarming appealing for Help, and Respiration-charged air-compression. At a suitable location in the Respiration Mouthpiece is positioned a Flow Division Block serving to block compressed gas that is supplied from the Compression Cylinder, so that the compressed gas is split to pass to flanks on both sides, in that manner safeguarded from charging straight into Diver's throat, so that the diver is relieved from any discomfort while breathing all the while.

Abstract: Triplicate Diving Gas Valve Device, comprising: a siren unit, a Life Coat Inflation unit and a User's Respiration Unit. The Siren drives its alarm sounding by reciprocating pounding of piston in a cylinder, by reason of this, the siren will serve its purpose ready submerged in waters or on the surface. The Gas Valve can be used in combination with both the Life Coat and the Respiration Mouthpiece, it can be manipulated manually using one hand expeditiously for triplicate services including: Life Coat Inflation/Deflation, siren alarming appealing for Help, and Respiration-charged air-compression. At a suitable location in the Respiration Mouthpiece is positioned a Flow Division Block serving to block compressed gas that is supplied from the Compression Cylinder, so that the compressed gas is split to pass to flanks on both sides, in that manner safeguarded from charging straight into Diver's throat, so that the diver is relieved from any discomfort while breathing all the while.

Abstract: A scuba diving regulator includes a casing, a mouth piece, an air valve unit, an audio unit, a nozzle unit, an air charge unit and an air discharge unit. The casing has an alarm connector, a whistle connector linearly aligned with the alarm connector and a mouth piece connector for engaging with the mouth piece. The casing includes therein a longitudinal chamber adjacent a body. The air valve unit engages with the alarm connector and includes an alarm valve, an elastic member and a push button engaged with the elastic member for open or close the alarm valve. The audio unit engages with the whistle connector and includes a cylinder, an impact member located in the cylinder and a piston reciprocally movable in the cylinder for hitting the impact member to produce audio alarm sound. The nozzle unit is held in the casing and is screwed and sealed in the chamber by means of the screw member and a seal ring, and includes an air flow member which engages with the alarm valve.

Abstract: An amphibious audible alarm device for a diver to use with an air tank in the water or above water surface in the event of incident or emergency to get other people's attention. The device includes a valve member connecting with the air tank for controlling compressed air flow, a noise making mechanism includes a piston reciprocally movable within a cylinder because of compressed air and an impact member to receive the impact of the piston to produce audible sound, and a body to house the valve member and the noise making mechanism. The device can work equally well in the water or in the atmosphere. It is compact size, simply structured, easy to carry and use.

Abstract: A diving control valve device includes a casing having a nozzle device fitted in the casing for connecting an air source from an air tank, an inflating valve device, a deflating valve device and an alarming valve device integrally encased in the casing for forming a compact valve unit for an ergonomic operation of the inflating valve, deflating valve and alarming valve by a diver's single hand and also for decreasing the frictional water resistance by the compact volume of the integrally formed valve unit in order for facilitating the diving velocity and enhancing the diving maneuverability.