Abstract:
A thrust assembly for a valve is disclosed which has a bonnet (3) and a stem (7) for rotation in the bonnet. A collet (8) formed from two halves is arranged in the bonnet to secure the valve stem (7) in position and a housing (9) having a groove (30, 77) is provided for locking the collet (8) and therefore the stem (7) in the bonnet. The bonnet has a groove (32, 77) corresponding to the groove (32, 79) to form a passage so that a thrust element in the form of a rod (10) or a thrust pin (81) can be inserted into the passage to thereby retain the housing in place and lock the collet in position to in turn retain the collet (8) in position when thrust is applied by rotation of the valve stem (7).
Abstract:
Un agencement de vanne est destiné notamment à des systèmes de chauffage de quartier et peut être posé dans le sol. Il comprend un vanne (1) pouvant être ouverte et fermée par des mouvements rotatifs. Le chapeau (11) du corps de la vanne et la tige de vanne (8) possèdent des raccordements (13, 15-17) disposés au-dessus de l'isolation (18), de même que le presse-étoupe (14). La vanne est combinée avec un prolongement de chapeau (20) et un prolongement de tige (21) qui peuvent être fixés via les raccordements et qui forment une partie supérieure non pressurisée. La vanne a ainsi une hauteur structurale telle qu'elle peut être actionnée et que sa position est indiquée au sol (36) par l'organe (22) à l'extrémité supérieure de la partie non pressurisée.
Abstract:
Means to connect a valve bonnet (20, 22) to a body (18, 36) of a valve (10) that controls the flow of high temperature fluids such that no leakage occurs and such that removable assembly may be accomplished without the use of large wrenches and high torque. From the bonnet (20, 22) depends a flange (50) formed so as to encompass an end wall (35) of the valve body (18, 36) so as to allow the end of the flange (50) to be welded to the valve body (18, 36) and valve bonnet (20, 22) and to withstand fluid and mechanical forces therebetween and to minimize thermally generated forces therebetween. The flange (50) is made long enough to allow for a plurality of removals and reattachment and still be sufficiently flexible to relieve thermal stresses between the valve body (18, 36) and valve bonnet (20, 22).
Abstract:
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.
Abstract:
A mixing valve (10) has a control stem (42) for adjusting the movable ball valve (24) for controlling the flow rate and temperature mix of the mixed water. The ball valve (24) has a pair of slots (60) and a pin (64) extending through the slots (60) of ball valve (24). The stem (42) has a brace (80) extending into the ball valve and abuts against the pin (64). The pin (64) is journaled in a cartridge (56) such that the ball is vertically affixed to the cartridge (56) and is prevented from falling out the bottom open end (92) of the cartridge.
Abstract:
A mechanism for covering and protecting operating parts of a mixing faucet that has a bidirectional control lever (10) which extends through an opening in its cover (11) and moves about a single center. A semi-spherical surface (11a) of the cover abuts a thin semi-spherical cap (15) having an exterior and interior surface (15a) and (15b) having the same center of rotation as the lever. The cover's semi-spherical surface substantially corresponds to the semi-spherical cap's interior surface. The semi-spherical cap (15) covers the opening (10) and is able to slide over the semi-spherical surface of the cover due to its identical spherical curvature. Structurally the cap is separate from the control lever and is transverse to it. The cap (15) makes contact with a rim of the window (17) of an outer hood (16). The hood (16) is mounted about the cover (11) and able to slide there against and into the space underneath the hood. Cap (15) and the hood (16) can be economically produced and mounted onto the valve. The cap and hood can be made from plastic materials or molded metallic laminates.
Abstract:
A cover for a valve (10) has a housing (20) mounting internally a component (24), with a collet (28) being located with play through an open end of the component (24). Resiliently deformable jaws (36) of the collet (28) co-operate with a profiled inner wall of the component (24) for opening and closing of the jaws (36) upon axial movement of the collet (28) relative to the component (24). When positioned on a stem (12, 14) of the valve (10), the cover is movable downwardly thereon to operate the valve and is freely rotatable, but on movement upwardly the cover is clamped by closing of the jaws (36) on the stem (12, 14). The housing (20) is formed of a material with a high degree of resistance to vandalism.
Abstract:
A vehicle tyre valve cap incorporating a tyre pressure indicator which can be set to indicate a pressure appropriate to given circumstances. The cap comprises two components (1, 2). The top component (2) snap-fastens into the body component (1) and can then be turned into any selected index position. The top component bears on its top face a digit (15) and adjacent that digit the top component has a sectoral cut-out (10) through which any one of a plurality of digits (7) on the body component (1) can be exposed by turning the top component into the appropriate position. The two digits thus displayed indicate the selected tyre pressure value.