Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, wherein the first end of the valve body includes a bore, and a removable seat disposed in the bore and defining at least in part the first flow passageway.

Abstract: An apparatus includes a valve yoke comprising a hollow inner portion and an upper face, an adapter plate including a through-hole and a lower face, wherein the lower face provides an interface for connection to the upper face of the valve yoke, an actuator assembly having an exterior profile, wherein the actuator assembly is removably retained within the hollow inner portion, and a drive screw retained between the actuator assembly and the adapter plate. The drive screw is rotatable within the through-hole along an axis of rotation. The axis of rotation is parallel to an axis of reciprocation. The actuator assembly comprises a first axial cam and a first indexing pin rotatably driven by the drive screw to follow the first axial cam.

Abstract: An apparatus includes a valve yoke comprising a hollow inner portion and an upper face, an adapter plate including a through-hole and a lower face, wherein the lower face provides an interface for connection to the upper face of the valve yoke, an actuator assembly having an exterior profile, wherein the actuator assembly is removably retained within the hollow inner portion, and a drive screw retained between the actuator assembly and the adapter plate. The drive screw is rotatable within the through-hole along an axis of rotation. The axis of rotation is parallel to an axis of reciprocation. The actuator assembly comprises a first axial cam and a first indexing pin rotatably driven by the drive screw to follow the first axial cam.

Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, wherein the first end of the valve body includes a bore, and a removable seat disposed in the bore and defining at least in part the first flow passageway.

Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, wherein the first end of the valve body includes a bore, and a removable seat disposed in the bore and defining at least in part the first flow passageway.

Abstract: A unibody valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, and a disc disposed within the interior chamber, wherein the interior chamber includes an enlarged side portion positioned outside of the at least one of the first flow passageway and the second flow passageway projected along the longitudinal axis, wherein the disc is disposed in the enlarged side portion when in an open position.

Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, wherein the first end of the valve body includes a bore, a valve seat disposed in the bore including a concave seating surface, and a disc rotatable within the interior chamber between an open position and a closed position, wherein the disc includes a seal having a shape corresponding to the concave seating surface and wherein the shape of the seal and the concave seating surface define an elliptical offset from a centerline of the valve.

Abstract: A valve assembly includes a body having spaced apart ports defining a flow passageway therebetween and a top surface. A valve is disposed in the flow passageway. A bonnet is coupled to the top surface of the body. A rising stem is supported by the bonnet and is operably coupled to the valve. A cap includes a bottom sealingly coupled to at least one of the body or the bonnet and an opening. The cap is disposed over the bonnet with the stem extending through the opening.

Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, a stem rotatably supported by the valve body about a rotation axis, wherein the stem includes a polygonal end, and a disc disposed within the interior chamber and including a polygonal aperture to receive the polygonal end of the stem.

Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, wherein the first end of the valve body includes a bore, a valve seat disposed in the bore including a concave seating surface, and a disc rotatable within the interior chamber between an open position and a closed position, wherein the disc includes a seal having a shape corresponding to the concave seating surface and wherein the shape of the seal and the concave seating surface define an elliptical offset from a centerline of the valve.

Abstract: A unibody valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, and a disc disposed within the interior chamber, wherein the interior chamber includes an enlarged side portion positioned outside of the at least one of the first flow passageway and the second flow passageway projected along the longitudinal axis, wherein the disc is disposed in the enlarged side portion when in an open position.

Abstract: A valve assembly includes a body having spaced apart ports defining a flow passageway therebetween and a top surface. A valve is disposed in the flow passageway. A bonnet is coupled to the top surface of the body. A rising stem is supported by the bonnet and is operably coupled to the valve. A cap includes a bottom sealingly coupled to at least one of the body or the bonnet and an opening. The cap is disposed over the bonnet with the stem extending through the opening.

Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, wherein the first end of the valve body includes a bore, and a removable seat disposed in the bore and defining at least in part the first flow passageway.

Abstract: A valve comprising a valve body including a first end and a second end spaced apart along a longitudinal axis, a central portion disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway and a second flow passageway, respectively, and wherein the central portion defines an interior chamber, a stem rotatably supported by the valve body about a rotation axis, wherein the stem includes a polygonal end, and a disc disposed within the interior chamber and including a polygonal aperture to receive the polygonal end of the stem.