Abstract: A fire safety fluid flow device for engagement with a Schrader valve including a sliding valve a housing having a fluid path therethrough and a pressing member. The pressing member presses against the sliding valve of the Schrader valve when engaged therewith to allow fluid flow through the Schrader valve. The pressing member continues to maintain the sliding valve in an open position when the device is below a predetermined temperature and connected to the Schrader valve. The pressing member is configured to no longer press against the sliding valve of the Schrader valve at and above the predetermined temperature to allow the sliding valve of the Schrader valve to thereby stop fluid flow through the Schrader valve.

Abstract: A pressure regulator (10) includes a changeover regulator (12) with plural inlets (16, 18). Inside the regulator, each inlet has a closure member (62) connected to a diaphragm (100) for control of the closure members (62) in response to pressure inside the regulator (12). Biasing members (56) are stabilized in position by either an apertured plate (102), a cup (104) or both. A changeover handle (19) depresses one spring (56) or the other to bias one closure member (62) open to admit gas from the associated inlet (16 or 18).

Abstract: A pressure regulator comprising a housing, a pivoting lever selectively covering a passage between an inlet port and an outlet port of the housing, a diaphragm interconnected to the lever to rotate the lever in reaction to pressure levels in the housing, and a closure member abutting the pivoting lever and covering the passage to prevent fluid flow through the passage. The pressure regulator can have the closure member not being directly connected to the lever, a stabilizer element frictionally abutting a pivot pin as the lever rotates to thereby stabilize movement of the lever, an adjustment member that translates rotational movement of an adjustment cap into compression or decompression of a biasing element without applying a rotational force to the biasing element, and/or the cap including a tab configured to be selectively inserted at least one slot on the housing to prevent rotation of the adjustment cap.

Abstract: A pressure regulator having a housing with an inlet port and an outlet port. A plug is located within the housing and dividing the housing into an upper chamber and a lower chamber, with the upper and lower chamber being connected by a vent. The plug includes a fluid path between the inlet port and the bore. A yoke is adapted selectively close the fluid path in the plug. A diaphragm is located in the upper chamber and is connected to the yoke. A biasing member biases the yoke to open the fluid path through the plug. The diaphragm is configured to move the yoke to open the fluid path when pressure in the lower chamber and vented to the upper chamber through the vent is above a predetermined amount. The pressure regulator can also include a second biasing member used to positively close the fluid path through the plug.

Abstract: A pressure regulator having a base and a bonnet. The base includes a plurality of upstanding ridges, with an opening being defined between each of the ridges. The bonnet includes a peripheral rim having a plurality of engagement tabs located within each of the openings defined by the ridges of the base. The base is connected to the bonnet by folding the ridges over the peripheral rim of the bonnet. The ridges include side surfaces that mate with side edges of the engagement tabs to maintain the peripheral rim of the bonnet against the ridges as tension is applied to the peripheral rim that forces the peripheral rim away from the ridges. The bonnet also includes a plurality of interference tabs that engage an interior surface of the ridges before the ridges are folded over the peripheral rim of the bonnet to maintain the bonnet in proper position.

Abstract: A pressure regulator having a housing with an inlet port and an outlet port. A plug is located within the housing and dividing the housing into an upper chamber and a lower chamber, with the upper and lower chamber being connected by a vent. The plug includes a fluid path between the inlet port and the bore. A yoke is adapted selectively close the fluid path in the plug. A diaphragm is located in the upper chamber and is connected to the yoke. A biasing member biases the yoke to open the fluid path through the plug. The diaphragm is configured to move the yoke to open the fluid path when pressure in the lower chamber and vented to the upper chamber through the vent is above a predetermined amount. The pressure regulator can also include a second biasing member used to positively close the fluid path through the plug.

Abstract: A remote sensing and indicating apparatus for a conventional two-stage changeover gas regulator having a mechanical full/empty indicator and at least one inlet for receiving gas from at least one gas storage container. The apparatus includes a housing, retrofittable to the regulator, for accommodating a sensor. The sensor converts the mechanical movement of a pressure sensitive diaphragm and an indicating member biased thereagainst, of the full/empty indicator, into an electrical signal indicative of the “full/empty” status of the supply container. Within the housing, the sensing apparatus includes a plunger movably arranged therein, and biased against the indicating member such that the plunger is collectively movable with the indicating member and diaphragm in response to a change in gas pressure.

Abstract: A boost-enhanced gas pressure regulator consists of a bonnet and a body (main casing) that are secured together so as to capture a pressure-responsive diaphragm between both components. The body has an inlet port and one or more outlet ports. An actuator providing a camming means, preferably in the form of a pair of spaced control channels, is connected to the diaphragm to be moved with and by the latter. The camming means/control channels engage a corresponding pair of control pins on opposite sides of a movable boost tube, such that there is a direct-acting connection between the diaphragm and boost tube. The boost tube has external guide surfaces which serve to guide and control its movement, and it also has an internal gas flow passage in which a valve seat disk (valve member) is mounted.

Abstract: An assembly which includes a valve adapted for connection to a source of pressurized gas having a first connector, a regulator for regulating flow of gas from the source and having a second connector, and an automatic shutoff module positioned in the first connector, the module being adapted to shut off the gas flow in response to certain unsafe conditions, e.g., excess ambient temperatures and/or excess gas flow rates. The second connector includes a probe which is receivable by the first connector, and further includes a connector element that is rotatably mounted on the second connector and adapted to engage the first connector to form a secure interconnection between the first and second connectors. The automatic shutoff module includes an activator housing and an activator movably mounted in the activator housing, the activator being normally closed but being abuttingly held open by the probe upon connection.