A motorized zone valve assembly permits the servicing and/or replacement of a motorized zone valve in a hydronic heating and/or cooling system. The motorized zone valve assembly includes isolation valves coupled to the incoming and outgoing ports of the motorized zone valve via union nuts. The isolation valve members can be closed to permit the removal of the motorized zone valve by the loosening of the two union nuts. In addition, the isolation valve coupled to the outgoing port can include a drain valve and drain port to permit the isolation and draining of individual zones of the hydronic system.

A valve core installation/removal tee enable the removal and or replacement of a Schrader? valve insert without evacuating the refrigeration system. The use of a valve core installation/removal tee also permits the valve core to be removed and maintenance of the HVAC system to be performed without the flow restriction of the valve core and core depressor.

A dual-valve, valve core installation/removal tee enable the removal and or replacement of a Schrader? valve insert without evacuating the refrigeration system. The use of a dual-valve valve core installation/removal tee also permits the valve core to be removed and maintenance of the HVAC system to be performed without the flow restriction of the valve core and core depressor.

A manifold for water dispensing units, including a manifold body having: one or more inlet paths, an outlet path, a collecting chamber delimited by a lateral wall and communicating with the inlet paths and with the outlet path. The collecting chamber is configured to receive the insertion of a cartridge body for the regulation of flow. A safety group is associated to the manifold body (1a) and includes: a flange removably attached to the manifold body, a safety shutter provided with through inlet gaps and with shut-off surfaces and a control body for the movement of the safety shutter: from a first position in which the through inlet gaps communicate with the inlet paths and contrast means prevent the separation of the control body and the cartridge body from the manifold body, to a second position in which the shut-off surfaces sealingly close the inlet paths and sliding means allow the separation of the control body and the cartridge body from the manifold body, and vice versa.

A dual-valve, valve core installation/removal tee enable the removal and or replacement of a Schrader? valve insert without evacuating the refrigeration system. The use of a dual-valve valve core installation/removal tee also permits the valve core to be removed and maintenance of the HVAC system to be performed without the flow restriction of the valve core and core depressor.

Rotary valves are adapted to replace traditional slide valves in fluid catalytic cracking units (FCCUs) such as regenerated catalyst valves, spent catalyst valves, cooled catalyst valves, and recirculation catalyst valves. The rotary valves as discussed herein are significantly more compact than a slide valve having a similar flow capacity. The rotary valve is better adapted to provide flow control or throttling than slide valves are. Flow control or throttling occurs with greater response and precision in response to control inputs and rotation. In addition to the size reduction achieved with the rotary valve, the required controls and/or hydraulic fluid necessary to achieve flow changes are significantly reduced, further saving costs for the valve, as hydraulic power units are not required. The omission of a hydraulic power unit also reduces the size of the valve and/or its accompanying structures within the FCCU.

Severe service industrial valves having at least one valve ball and seat that can be repaired or replaced while the valve remains connected in-line with inlet and outlet pipe lines.

A shut-off valve repair system includes a shut-off valve. The shut-off valve is fluidly coupled between a fluid supply and a plumbing fixture. Thus, the shut-off valve selectively restricts and allows a flow of a fluid to the plumbing fixture. A valve unit is selectively fluidly coupled to the shut-off valve when the shut-off valve fails. Thus, the valve unit selectively inhibits and allows the fluid to flow to the plumbing fixture.

A shut-off valve repair system includes a shut-off valve. The shut-off valve is fluidly coupled between a fluid supply and a plumbing fixture. Thus, the shut-off valve selectively restricts and allows a flow of a fluid to the plumbing fixture. A valve unit is selectively fluidly coupled to the shut-off valve when the shut-off valve fails. Thus, the valve unit selectively inhibits and allows the fluid to flow to the plumbing fixture.

Severe service industrial valves having at least one valve ball and seat that can be repaired or replaced while the valve remains connected in-line with inlet and outlet pipe lines.