A solenoid assembly (100) is provided that includes a frame (104), a coil (106) positioned proximate the frame (104), and a core (114) defined by the coil (106). A plunger (108) is actuatable between at least a first position and a second position, and a guide (109) is at least partially disposed within the core (114). The plunger (108) is disposed at least partially within the guide (109). A housing (102) at least partially houses the frame (104), the coil (106), the guide (109) and the plunger (108), and the guide (109) is prevented from rotating independently of the housing (102).

An electromagnetic valve and an air conditioning system are provided. The electromagnetic valve includes a valve bonnet and a valve seat. The valve bonnet includes a large-diameter section and a small-diameter section, the small-diameter section extends into a mounting groove and is affixed to a groove wall of the mounting groove, and the large-diameter section abuts against the valve seat. A first sealing surface is formed by the large-diameter section abuts against the valve seat, and a second sealing surface is formed by the small-diameter section is affixed to the groove wall of the mounting groove. The valve bonnet and the valve seat are connected in a hard sealing connection manner at the first sealing surface, and the valve bonnet and the valve seat are connected in a soft sealing connection manner at the second sealing surface.

A solution to the problem in the present invention includes a housing (H) having a hollow portion (1), a first sleeve (2) and a second sleeve (3) inserted in series in the hollow portion (1), a first spool (4) housed in the first sleeve (2), and a second spool (5) housed in the second sleeve (3). Further, the second sleeve (3) has a positioning portion (3b) for positioning a position in the axial position with respect to the housing (H), a fixing portion (3d) to be fixed to the housing (H), and a spool hole (Sh) provided outside a range from the positioning portion (3b) to the fixing portion (3d).

A solution to the problem in the present invention includes a housing (H) having a hollow portion (1), a first sleeve (2) and a second sleeve (3) inserted in series in the hollow portion (1), a first spool (4) housed in the first sleeve (2), and a second spool (5) housed in the second sleeve (3). Further, the second sleeve (3) has a positioning portion (3b) for positioning a position in the axial position with respect to the housing (H), a fixing portion (3d) to be fixed to the housing (H), and a spool hole (Sh) provided outside a range from the positioning portion (3b) to the fixing portion (3d).

A press-fit in situ retrofit assembly for a top entry valve and a method thereof are disclosed. The assembly includes an annular conduit (201) including a segment (202) of reduced outside diameter and a shoulder (203) on the exterior surface at the proximal end (204), and is configured to conform with an interior surface (205) of a valve seat (206) at the distal end (207). A valve body extension (208) with an interior annular region (301), and an inlet port (209) fluidically connected to the annular region (301). A gland packing push plate (211) is configured to allow the annular conduit (201) to pass through thereby forming an outlet port (212). And a thrust plate (403) is attached to the thrust screws (401). The thrust plate (403) allows the segment (202) of reduced outside diameter at the proximal end (204) of the annular conduit (201) to pass through, with the thrust plate (403) seating on the shoulder (203). The assembly and the method allow the removal of a portion of the fluid from the cold box for downstream processing or manipulation as desired.

A ball valve is provided. The ball valve includes a valve body, an end cover and a valve rod. The end cover is installed on the valve body, and one end of the valve rod is rotatably installed in the valve body, the other end of the valve rod extends out of the valve body through the end cover. A limiting member is arranged on an inner peripheral wall of the end cover, and the valve rod is capable of being limited by the limiting member to allow a maximum rotating angle of the valve rod in the end cover to be 90 degrees.

A solenoid valve includes a housing having a valve passage; a spool configured to switch between an open and closed state of the valve passage; a coil part configured to generate magnetic force when electric current flows therethrough; a yoke surrounding the coil part; a fluid passage provided on an outer side of the coil part, through which the working fluid passes; an introduction passage communicating with the fluid passage to guide the working fluid inside the housing to the fluid passage; and a discharge passage communicating with the fluid passage to discharge the working fluid passed through the fluid passage outside the yoke.

A solenoid valve includes a housing having a valve passage; a spool configured to switch between an open and closed state of the valve passage; a coil part configured to generate magnetic force when electric current flows therethrough; a yoke surrounding the coil part; a fluid passage provided on an outer side of the coil part, through which the working fluid passes; an introduction passage communicating with the fluid passage to guide the working fluid inside the housing to the fluid passage; and a discharge passage communicating with the fluid passage to discharge the working fluid passed through the fluid passage outside the yoke.

An in situ retrofit assembly for a top entry valve includes an annular conduit (100) configured to conform with a seat support (106) at the distal end (207) and a valve body extension (208) with an interior annular region (301). The valve body extension (208) comprises an inlet port (209) fluidically connected to the annular area (301). A gland packing push plate (211) is configured to allow the annular conduit (100) to pass through thereby forming an outlet port (212). This allows the removal of a portion of the fluid from the cold box for downstream processing or manipulation as desired.

An in situ retrofit assembly for a top entry valve includes an annular conduit (100) configured to conform with a seat support (106) at the distal end (207) and a valve body extension (208) with an interior annular region (301). The valve body extension (208) comprises an inlet port (209) fluidically connected to the annular area (301). A gland packing push plate (211) is configured to allow the annular conduit (100) to pass through thereby forming an outlet port (212). This allows the removal of a portion of the fluid from the cold box for downstream processing or manipulation as desired.