Diving regulator is a pressure regulator that controls the pressure of breathing gas for diving.
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15 Facts About Single-hose regulator
2.
Pressure-reduction Single-hose regulator is used to control the delivery pressure of the gas supplied to a free-flow helmet or full-face mask, in which the flow is continuous, to maintain the downstream pressure which is provided by the ambient pressure of the exhaust and the flow resistance of the delivery system and not much influenced by the breathing of the diver.
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3.
Performance of a Single-hose regulator is measured by the and added mechanical work of breathing, and the capacity to deliver breathing gas at peak inspiratory flow rate at high ambient pressures without excessive pressure drop, and without excessive dead space.
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4.
Diving Single-hose regulator is a mechanism which reduces the pressure of the supply of breathing gas and provides it to the diver at approximately ambient pressure.
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5.
The constant mass flow valve is usually supplied by a gas Single-hose regulator that is isolated from the ambient pressure so that it provides an absolute pressure regulated output.
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6.
Gagnan, employed at Air Liquide, had miniaturized and adapted a Rouquayrol-Denayrouze Single-hose regulator used for gas generators following severe fuel restrictions due to the German occupation of France; Cousteau suggested it be adapted for diving, which in 1864 was its original purpose.
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7.
Single hose Single-hose regulator was later adapted for surface supplied diving in lightweight helmets and full-face masks in the tradition of the Rouquayrol-Denayrouze equipment to economise on gas usage.
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8.
Parts of a Single-hose regulator are described here as the major functional groups in downstream order as following the gas flow from the diving cylinder to its final use.
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9.
The balanced Single-hose regulator design allows the first stage orifice to be as large as needed without incurring performance degradation as a result of changing tank pressure.
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10.
Advantages of this type of Single-hose regulator are that the bubbles leave the Single-hose regulator behind the diver's head, increasing visibility, reducing noise and producing less load on the diver's mouth, They remain popular with some underwater photographers and Aqualung brought out an updated version of the Mistral in 2005.
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11.
Mechanism of the twin hose Single-hose regulator is packaged in a usually circular metal housing mounted on the cylinder valve behind the diver's neck.
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12.
The demand valve component of a two-stage twin hose Single-hose regulator is thus mounted in the same housing as the first stage Single-hose regulator, and in order to prevent free-flow, the exhaust valve must be located at the same depth as the diaphragm, and the only reliable place to do this is in the same housing.
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13.
The secondary Single-hose regulator should be clipped to the diver's harness in a position where it can be easily seen and reached by both the diver and the potential sharer of air.
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14.
Demand valve on a Single-hose regulator connected to a separate independent diving cylinder would be called an alternate air source and a redundant air source, as it is totally independent of the primary air source.
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15.
The attached neck strap allows the diver to keep the Single-hose regulator hanging under the chin where it is protected and ready for use.
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