Abstract: A flow regulating system including a valve and a method for maintaining a constant gas flow rate at varying gas pressure by means of differential gas pressure applied to opposed sides of a valve diaphragm.

Abstract: A flow regulating system including a valve and a method for maintaining a constant gas flow rate through a patient circuit to ambient exhaust at varying gas pressure by means of differential gas pressure applied to opposed sides of a valve diaphragm.

Abstract: A tamper-resistant fluid connector is mounted to a wall for quickly connecting and disconnecting a fluid supply line to an appliance or other device. The tamper-resistant fluid connector has a housing body with an inlet. A plug is rotatably secured within the housing body. The plug has a plug through hole that is communication with the inlet, in an open position of the tamper-resistant fluid connector. The plug is retained within housing body and is lockable in a closed position. In the closed position of the tamper-resistant fluid connector, communication between the plug through hole and the inlet is interrupted. When a removable connector assembly, which defines a connector through hole, is engaged with the housing body and then rotated with respect to the housing body, the plug is unlocked from the closed position and, the inlet, the plug through hole and the connector through hole are in communication.