Abstract: Provided is a liquid discharge valve including a housing configured with an inlet port coupleable to a liquid line, a liquid outlet port, an inlet chamber accommodating a pressure responsive closing mechanism disposed between said inlet port and said liquid outlet port and configured for selectively opening a liquid flow path therebetween, a control chamber being in flow communication with the inlet chamber via a restricted fluid passage, a gas operated valve being in flow communication with the control chamber, and a discharge pilot valve being in flow communication with the control chamber.

Abstract: A gas purge valve (114A-D) is provided within a fluid system, the valve being configured with one or more sensors (134B) each for sensing and generating one or more signals indicative of parameters associated with the valve. The fluid system further comprises a power source and a transmitting system for transmitting signals from the sensors to a remote control station (130).

Abstract: Provided is a fluid flow valve including a valve head configured with an inside fluid port being in fluid flow communication with an outside fluid port. The valve head is configurable for coupling at a top portion of a substantially upright tube section. A valve module may be disposed below the valve head and displaceable under fluid pressure along a longitudinal axis between an open position, at which fluid flow is facilitated thorough the valve head, and a sealed position, at which the valve module sealingly engages the inside fluid port to thereby prevent fluid flow through the valve head.

Abstract: A gas purge valve (20) comprising a housing (22) configured with float chamber (40) extending between a fluid inlet port (36) and a fluid outlet port (38), the float chamber accommodating a float-activated valve assembly (50) axially displaceable within the float chamber. The valve assembly comprising at least a kinetic sealing component (54) being axially displaceable within the housing between at least a closed position sealingly engaging a sealing seat (48) of the fluid outlet port, and an open position in which it is disengaged from the sealing seat. The fluid inlet port is in flow communication with the float chamber through a fluid inlet path configured with a fluid flow regulator (100) configured with a fluid discharge flow path (102). The arrangement is such that the minimal diameter of the fluid discharge flow path is greater than the diameter of at least a lower portion of the valve assembly.

Abstract: Provided is an automatic gas purge valve system including a normally closed gas discharge faucet configured for discharging gas at substantially high flow rates, and an automatic valve unit configured for selectively generating a flow pulse to displace the gas discharge faucet into its open position.

Abstract: Provided is an automatic gas purge valve system including a normally closed gas discharge faucet configured for discharging gas at substantially high flow rates, and an automatic valve unit configured for selectively generating a flow pulse to displace the gas discharge faucet into its open position.

Abstract: A gas purge valve (114A-D) is provided within a fluid system, the valve being configured with one or more sensors (134B) each for sensing and generating one or more signals indicative of parameters associated with the valve. The fluid system further comprises a power source and a transmitting system for transmitting signals from the sensors to a remote control station (130).

Abstract: A liquid purge valve comprising a housing for sealingly fitting at an uppermost end of a substantially vertical pipe, an outlet tube extending from the housing and projecting into the pipe, an outlet port fitted with a sealing boundary and sealable by a sealing member pivotally secured within the housing so as to pivotally displace between a closed and an open position, a biasing member biasing the sealing member into its open position, and a mass articulated to the sealing member and extending downwards into the pipe. The mass applies a force at an opposite direction of the biasing member such that the resultant force acting on the sealing member determines its position such that when water level rises within the pipe the sealing member displaces into the open position.

Abstract: Disclosed is a gas purge valve that includes a housing formed with a fluid inlet and a fluid outlet. The fluid outlet is bounded by a kinetic valve seating, and a sealing assembly, which includes a float member coaxially displaceable within the housing, and a sealing cap coupled to said float member. The sealing cap is axially displaceable with respect to the float member between a first position in which it conjoins the float, and a second position in which it departs from the float. The sealing cap is formed at an outside face thereof with a kinetic seal fitted for sealing engagement of the kinetic valve seating, and an automatic valve aperture formed in the sealing cap and bounded by an automatic valve seating. An automatic sealing member articulated is at an upper end of the float member for sealing engagement of the automatic valve seating.

Abstract: A valve comprising a housing and a pressure responsive sealing assembly. The housing comprises an inlet port, an outlet port and a control chamber extending therebetween. The control chamber having a first cross-sectional area at the inlet port, and a second cross-sectional area greater in magnitude than the first cross-sectional area and being disposed between the inlet port and the outlet port. The pressure responsive sealing assembly is normally biased into a first position in which the sealing assembly seals the inlet port. When a pressure differential about the inlet and outlet ports exceeds a predetermined threshold, the pressure responsive sealing assembly is configured to shift from the first position to a second position, in which the sealing assembly no longer seals the inlet port and a fluid flow path from the inlet port into the control chamber is opened.

Abstract: A liquid purge valve comprising a housing for sealingly fitting at an uppermost end of a substantially vertical pipe, an outlet tube extending from the housing and projecting into the pipe, an outlet port fitted with a sealing boundary and sealable by a sealing member pivotally secured within the housing so as to pivotally displace between a closed and an open position, a biasing member biasing the sealing member into its open position, and a mass articulated to the sealing member and extending downwards into the pipe. The mass applies a force at an opposite direction of the biasing member such that the resultant force acting on the sealing member determines its position such that when water level rises within the pipe the sealing member displaces into the open position.