FR2927141A1 - Hot water and cold water mixing valve apparatus for sanitary facility in e.g. dwelling, has thermostatic cell located at inlet of conduit, where mixed water flow from conduit is prevented during accidental cutting of hot/cold water supply - Google Patents

Abstract

The apparatus has an automatic control system i.e. thermostatic cartridge, for controlling temperature of mixed water. The system has a slider (34) with a cold water passage section (31) that is not completely closed to ensure emptying of a conduit (22). The hot water pressure (P5) in a conduit (29) is equal to the pressure (P4) in the conduit (22). A flow of the mixed water from a conduit (26) is instantaneously prevented during accidental cutting of hot water supply or cold water supply. A thermostatic cell (27) of the system is located at an inlet of the conduit (26).

Description

-1-

The invention relates to a device type faucet hot and cold water for sanitary installations. In the description below EC is the abbreviation for hot water and EF is the abbreviation for cold water. This device can be of external or recessed type, it has systems for adjusting the temperature of mixed water outlet and adjusting the flow. Its particularity is, on the one hand, to be provided with an asymmetric type balancing system of the inlet pressures EC and EF which allows a supply of EC and EF of the mixer system at pressures EC and EF which are substantially equal with one another. EC pressure which will never be greater than the EF pressure. On the other hand, the invention allows a flow control upstream of the mixer system which allows the EC and EF supply circuits to be isolated from each other when the drawdown is stopped. Hot and cold sanitary water supply systems for homes and communities are often subject to sudden pressure differences when they arrive at the point of use known as the point of drawdown, causing sudden variations in temperature at the outlet. as well as risks of return EC to EF and vice versa. On the other hand, the temperature variations of said supply circuits are generally slow and do not cause sudden variations in the temperature at the mixer outlet nor the risks of returning back. The sudden changes in the temperature at the mixer outlet are very unpleasant and can be dangerous for the user and it is important to correct them.

Often the use of thermostatic devices makes it possible to reduce these inconveniences and these dangers but these apparatuses work with detectors which have a relatively slow response time and present drifts of the points of operation in the event of sudden variations of the inlet pressures of the devices. sanitary water supply circuits which is unpleasant for the user. In addition these thermostatic devices require the use of check valves to prevent the return of hot water in the cold water circuit and vice versa because generally the stoppage of the drawing is done downstream of said apparatus, the use of anti-return valves -return is always very delicate because in case of malfunction generated for example by an impurity there is a significant risk of passage of hot water in the feed circuit EF and vice versa which may cause energy losses, leaks to the power grid and bacterial pollution. The present invention makes it possible to eliminate the sudden variations in the temperature at the outlet of the mixer system by instantly balancing the supply pressures with two pressure-controlled pressure reducers, the principle of which is set forth in French Patent FR 0011154. The present invention also makes it possible to to improve the accuracy of thermostatic mixer systems because it should also be noted that one of the consequences of the application of the principle set forth in French patent FR 0011154 is that the pressure of the EC is never greater than the pressure of the EF at the entrance of the mixer which has the effect of doubling the accuracy of the mixer system in case of random variations of the supply pressures. The present invention also makes it possible to eliminate the use of valves -2-

anti-return and thus eliminate the risk of energy losses, leakage to the network and bacterial pollution that result because there is no possibility of communication circuits EC and EF at the end of the drawing.

Figure 1 shows the operating diagram of the invention equipped with an automatic thermostatic mixing valve system where the mixed water outlet temperature is a displayable and adjustable set of a separate flow control. FIG. 2 represents the operating diagram of another use of the invention which is then equipped with a separate flow control and a simple mechanical mixer system where the mixed water outlet temperature is determined by the positioning of said mechanical mixer system as well as the pressure and temperature conditions of the EC and EF supply lines. Figure 3 shows the flow diagram of another simplified use of the invention which is then equipped with a single control of flow and temperature. Figures 4 and 5 are an isometric representation from different angles of a possible industrial embodiment of the invention equipped with a thermostatic mixing valve system. FIG. 6 is a further representation of FIGS. 4 and 5 by separating the various assembled modules, the hot water balancing module (53), the cold water balancing module (48) and the temperature and flow control module (59). Figure 7 is a representation of Figure 5 without the operating buttons.

The device and the operation of the apparatus which is the subject of the invention is shown schematically in FIG. 1, the solid black arrows indicate the flow direction of the EC and EF fluids and the other non-blackened arrows indicate the directions of the possible mechanical movements. It consists of an EC balancing module, hereinafter referred to as the EC module (53), a temperature and flow control module hereinafter referred to as the TQ module (59) and an EF balancing module, hereinafter referred to as the EF module (48). A representation of these modules corresponds to the representations of FIG. 6. FIGS. 4 and 5 show an embodiment of these modules assembled by mechanical systems in abutment of tenon and mortise type (49) and held together by a stop (52).

The operation of the EC (53) and EF (48) modules is strictly identical, they are simply differentiated by a pressure tap corresponding to the orifice (55) of FIG. 6 at the output of the EC module (53) and which supplies a channeling (30). The EC module (53) is fed with EC at a pressure P1 and a temperature Ti prevailing in the pipe (1) corresponding to the connection (54) of FIG. 6. The module EF (48) is supplied with EC at the pressure P2 and a temperature T2 prevailing in the pipe (17) and corresponding to the connection (62) of FIG. 6. The two modules EC (53) and EF (48) are constituted by a body (5) and each have a partition (3 ) separating the EC module (53) into an input volume (2) and an output volume (7) and separating the EF module (48) into an input volume (15) and an output volume (14) . EC (53) and EF (48) modules are controlled pressure limiters -3-

pressurized pressure control type with pilot pressure as control variable. The pilot pressure of the EC module (53) is the pressure P4 prevailing in the pipe (8) and the pilot pressure of the EF module (48) is the pressure P1 prevailing in the pipe (30). Each module EC (53) and EF (48) is equipped with a membrane (6), the membrane (6) is of a very low stiffness, perfectly sealed and recessed tight in a body (5). In each membrane (6) is held recessed an EC valve (47) on the one hand and an EF valve (13) on the other hand, the maintenance is by a pin (11). A volume (12) is between each body (5) and each membrane (6). Rigid cups (4) distribute the forces of each membrane (6) on the EC valve (47) and the EF valve (13). Each valve EC (47) and EF (13) is provided with a seal (45) to seal when there is contact with the lip (46) of each partition (3). Each EC (53) and EF (48) module has a spring (16) of appropriate stiffness and force which allows the proper maintenance of the contact between the EC valve (47), the EF valve (13) and the cups (4). rigid force distribution. When the pressure P4 prevailing in the pipe (8) and in a volume (12) of the EC module (53) is greater than the pressure P1 prevailing in the volume (2) the valve (47) is in full open stop position and the P5 pressure prevailing in the volume (7) is equal to the pressure P1 less pressure losses due to passage through the partition (3). When the pressure P4 prevailing in the pipe (8) and in a volume (12) of the EC module (53) is lower than the pressure P1 prevailing in the volume (2) the valve (47) is in a position of equilibrium the sum of the forces generated by a spring (16), generated by the pressure P1 on the valve (47) and generated by the pressure P5 on the effective section of a membrane (6) is equal to the sum of the effort generated by the pressure P4 in a volume (12) on a membrane (6) and the force generated by the pressure P5 on the valve (47). When the pressure P4 prevailing in the pipe (8) and in a volume (12) of the EC module (53) is zero the valve (47) comes into contact with a lip (46) which ensures the seal between the volume (2) and the volume (7). In the equilibrium position described above, a large ratio of the cross-sections of a diaphragm (6) to the valve (47) and the low force of a spring (16) have the consequence of permitting an outlet pressure P5 very close to a pressure P4 called pilot pressure without ever being greater than this pilot pressure. From the combination of the different modes of operation of the EC module (53) it follows that for a supply pressure P1 of the EC module (53), the operation of the EC module (53) automatically tends to reduce the pressure difference between a pilot pressure P4 and an outlet pressure P5 without there being a possibility of having an outlet pressure P5 greater than a pilot pressure P4. The same reasoning is applicable to the module EF (48) and it follows that for a supply pressure P2 prevailing in the volume (15) of the module EF (48), the operation of the module EF (48) automatically tends to reduce the pressure difference between a pilot pressure P1 prevailing in the pipe (30) and an outlet pressure P3 prevailing in the volume (14) without there being a possibility of having an outlet pressure P3 greater than a pilot pressure P1 . -4-

The temperature and flow control module called TQ module (59) is formed by two devices connected by a pipe (22) in which there is a pressure P4, these devices are integrated in a body (20). The ducts (29) and (18) respectively of the EC and the EF are the inlet ducts of the TQ module (59) and the duct (26) is the outlet duct of said module. The sealing of the connections of the pipes (18), (22) and (29) in the TQ module (59) is ensured by seals (25). The first device of the TQ module (59) is located upstream of the pipe (22). It is a flow control device which is formed by a control (10) pivoting about an axis and a set of type flat sealing valve formed by a body (21) in which moves a planar drawer (19) . the contact surfaces between the body (21) and the plane drawer (19) are perfectly straight in very hard materials which is generally ceramic. When the control (10) is operated in the direction Q + the passage section (36) increases and when the control (10) is maneuvered in the direction Q- the passage section (36) decreases to the complete sealing. The control (10) pivoting about an axis may be lever or rotary type. The pressure prevailing upstream of the passage (36) is the pressure P3 prevailing in the pipe (18) and the pressure prevailing downstream of the passage (36) is the pressure P4 prevailing in the pipe (22). The second device of the TQ module (59) is located downstream of the pipe (22). It is a device that adjusts the temperature of the mixed water exiting through the pipe (26) to an adjustable and predetermined temperature setpoint. This device has a hot water inlet to the pressure P5 in the pipe (29) and a cold water inlet to the pressure P4 in the pipe (22). This device is of the thermostatic mixer type in which a thermostatic cell (27) is fixedly embedded in a slide valve (34) which controls the passage section (31) of the cold water and the passage section (24) of the 'Hot water. An axial passage in the drawer (34) allows the flow of cold water through the drawer (34). The thermostatic cell (27) is located at the entrance of the pipe (26) outlet mixed water in which prevails the temperature of the mixed outlet water. A transmission rod (33) is supported on the one hand on a control screw (9) and on the other hand inside the thermostatic cell (27), the contact is provided by a spring (28). When the temperature in the pipe (26) increases, the temperature of the thermostatic cell (27) increases and the inside of the thermostatic cell (27) expands which has the effect of moving away from the control screw (9). ) the slide valve (34) in which is fixed the thermostatic cell (27) and thus reduce the passage section (24) of the hot water and increase the passage section (31) of the water resulting in a drop in the outlet temperature in the pipe (26). Conversely, when the temperature in the pipe (26) decreases, the temperature of the thermostatic cell (27) decreases and the inside of the cell thermostatic (27) is retracted which has the effect of bringing closer to the control screw (9) the slide valve (34) in which is fixed in the thermostatic cell (27) and thus to increase the section of -5-

passage (24) of the hot water and decrease the passage section (31) of the cold water which has the effect of increasing the outlet temperature in the pipe (26). A peculiarity of the passage section (31) is that it is not completely sealed at closing to ensure the complete emptying of the pipe (22) during the total closure of the passage section (36) by action on the control lever (10). The passage sections EF (31) and EC (24) are of identical shape and the sum of the passage sections EF (31) and EC (24) is constant regardless of the position of the slide (34). When there is flow through the pipe (26) there is a point of equilibrium between the expansion of the inside of the thermostatic cell (27) and the position of the slide valve (34). This equilibrium point of the outlet temperature of the pipe (26) depends on the position of the adjusting screw (9) which corresponds to a set temperature. This device is therefore a temperature control which automatically tends to reduce the difference between a set temperature which depends on the position of the adjusting screw (9) and the temperature of the outlet pipe (26). A not shown device makes it possible to compensate for the expansion efforts in abutment. The outer seal of the drawer (34) in its housing is provided by a seal (23). The sealing of the transmission rod (33) is provided by a seal (32).

The operation of a mixing valve according to the diagram in FIG. 1 is as follows: The mixer tap is supplied by a pipe (1) in EC at an EC pressure P1 and at a temperature EC T1 and is supplied by a pipe (17) in EF at a pressure EF P2 and a temperature EF T2. During a stabilized drawing, the pressures P1 and P2 can vary abruptly and randomly with large differences, the temperatures Ti and T2 remaining constant or varying weakly and slowly. Since the EF module (48) is controlled by the input pressure EC P1 prevailing in the pipe (30), the outlet pressure P3 of the module EF (48) will be limited by the pressure EC P1 and will be equal to the pressure P2 in the case where P2 is less than pi. The passage section (36) controlled by the position of the lever (10) makes it possible to reduce the pressure P3 of the pipe (18) to the pressure P4 of the pipe (22). Since the EC module (53) is controlled by the pressure EF P4 prevailing in the pipe (8), the outlet pressure P5 of the EC module (53) will be limited by the pressure EF P4 to a magnitude very close to P4. The sum of the passage sections EC (24) and EF (31) being constant, the mixed water flow of the pipe (26) is only controlled by the pressure P4 itself controlled by the position of the lever (10). In the event of abrupt and random variations of the inlet pressure EC P1 or of the inlet pressure EF P2 or simultaneously of the pressures EC P1 and EF P2, the pressures EC P5 and EF P4 at the inlet of the thermostatic mixer system will still be substantially equal which will not change the mixing ratio in EC and EF of the mixed water and therefore the mixed water outlet temperature through the pipe (26) will not be changed and will remain constant. Since the EC and the EF are incompressible fluids, the balancing of the P4 and P5 pressures will be instantaneous. If the passage section (36) is completely closed by action on the control lever (10), the pipe (22) is emptied, the

P4 and P5 are canceled and this cancels out the mixed water flow of the pipe (26) and closes the EC and EF inlet upstream of the thermostatic mixer system and completely isolates the supply circuits in EC and EF when the drawing is stopped. In the same way, in the event of an abrupt and accidental shutdown of the RU, there is an instantaneous interruption of the EC, avoiding any risk of accidental burns. During the drawing, the flow of the mixed water leaving the pipe (26) is instantaneously canceled when there is an accidental cut-off either of the supply of hot water through the pipe (1), or of the supply of water. cold water through the pipe (17). The invention therefore makes it possible to have an outlet temperature at an adjustable setpoint temperature which will remain constant and will not be modified whatever the conditions of pressure and temperature variations of the supply circuits EC and EF, the pressure variations being able to be abrupt and random and temperature variations are usually slow. The instantaneous balancing of the inlet pressures of the thermostatic mixer system eliminates the risk of unstable operation of the system in the event of sudden changes in the supply pressures EC and EF.

The operating diagram in FIG. 2 represents another simplified use of the invention. The balancing modules are identical and are also called EC module (53) and EC (48). The temperature and flow control module is different and called TQ module (65). The temperature control achieved by a thermostatic mixing valve system is replaced by a single double valve gate with a single control (35) pivoting about an axis. This flat sealing double valve is constituted by a plane slide (43) actuated in translation by a control (35) pivoting about an axis, the plane slide (43) moving between a flat surface (38) and the body of mixing chamber (42), the contact surface between the planar drawer (43) and the surface (38) is of perfect straightness and very hard materials which is generally ceramic. This dual valve is located in the body (37) of the temperature and flow control module TQ (65). One of the peculiarities of this double valve is to have a stop when the passage section EC (41) is full open with a very small passage section EF (39) which allows the draining of the pipe (22) in case of closure total of the passage section (36) by action on the control lever (10), the other stop closing the passage section EC (41) and now full open the passage section EF (39). The mixture EC and EF to obtain the mixed water outlet of the pipe (26) is in the mixing chamber (40). When the control (35) is actuated towards T + the passage section EC (41) increases and the passage section EF (39) decreases and vice versa when the control (35) is actuated to T-. The position of the control (35) is independent of the closing of the passage section (36) by action on the control lever (10) which allows the user to find the same temperature setting between each drawing. -7-

By analogy with the description of the operation of the apparatus which is shown schematically in FIG. 1, the pressure EC P5 and the pressure EF P4 will still be substantially equal without the possibility of having an EC pressure P5 greater than the pressure EF P4 and the outlet temperature mixed water prevailing in the pipe (26) will be constant regardless of the pressure variations EC P1 and EF P2 and whatever the flow of mixed water for constant supply temperatures EC Ti and EF T2. Identical to the description of the operation of the apparatus which is shown schematically in Figure 1 there is instantaneous cut of the EC by avoiding any risk of accidental burning in case of abrupt and accidental cutting of the EF and the flow of water mixed outgoing through the pipe (26) is instantly canceled when there is an accidental failure either of the supply of hot water through the pipe (1), or the supply of cold water through the pipe (17) The diagram FIG. 3 represents another simplified use of the invention as described in FIG. 2. The control of the flow rate by the control lever (10) and the temperature control by the lever (35) are replaced by the control lever (FIG. 68) which pivots on a ball joint (67). The planar drawer (43) is movable on a plane in all directions allowing simultaneous and independent adjustment of the passage sections EC (41) and EF (39) from full opening to full closure. This type of mechanism is usually a trade standard commonly called ceramic cartridge. Identical to the description of the operation of the device which is shown schematically in Figures 1 and 2 there is instantaneous cut-off of the EC by avoiding any risk of accidental burn in case of sudden and accidental cut of the EF and the flow of the mixed water leaving the pipe (26) is instantly canceled when there is an accidental cut-off either of the supply of hot water through the pipe (1), or of the supply of cold water through the pipe (17) .

An exemplary embodiment is shown in FIGS. 4 to 7. FIGS. 4 and 5 represent the front and rear views of such an example. FIG. 6 shows the different modules of this example including the EF module (48) and its EF power connection (62), the EC power supply module (53) and its power supply connector (54), the power module temperature and flow control TQ (59) equipped with flow control knob (50) and temperature knob (51) and equipped with mixed water outlet fitting (58). The hydraulic interfaces of the EF module (48) are an EF output communication port (60) equipped with its seal which corresponds to the inlet of the pipe (18), a communication orifice (61) provided with its seal sealing that corresponds to the output of the pilot line (30) EF module side (48). The hydraulic interfaces of the EC module (53) are an EC output communication port (56) corresponding to the inlet of the pipeline (29) equipped with a seal, a communication port (57) corresponding to the output of the pilot line (8) on the EC module side (53) equipped with a seal, a communication port (55) corresponding to the input of the pilot line (30) on the EC module side (53) equipped with a seal. Figure 7 is a representation of Figure 5 without the operating buttons that shows the position of a valve -8-

ceramic Y4 tower (63) which is a standard item of commerce and which corresponds to the flow control as well as the position of a thermostatic cartridge (64) which is also a standard item of commerce which corresponds to the setting of the setpoint of mixed water temperature at the outlet of the pipe (26). In this example, the assembly of the EC (53) and EF (48) modules to the body of the TQ module (59) is done by a slide (49) of tenon and mortise type, the stop in translation is done by the setting place a flat lug (52).

Claims (7)

claims 1 - Device type hot and cold water mixing valve for sanitary facilities comprising - a hot water supply via a pipe (1) at a pressure P1 and a hot water temperature Ti - a supply of cold water through a pipe (17) at a pressure P2 and a cold water temperature T2 - a mixed water outlet - a mixed water flow control and shut-off valve actuated by a lever-type or rotary-type control (10) - an automatic control system control of the mixed water outlet temperature, which is generally a commercial thermostatic cartridge equipped with an adjustment screw (9) of the temperature setpoint and equipped with a thermostatic element (27) acting on the position of a drawer (34), said drawer (34) having a passage section (31) which is not completely sealed to the closure to ensure the complete emptying of the pipe (22) during the total closure of the passage section(36) by acting on the control lever (10), characterized in that - the hot water inlet (1) is equipped with an EC (53) hot water balancing module which is a pressurized pressure control valve of the type Pressure control with pilot pressure as control variable. the cold water inlet (17) is equipped with an EF (48) cold water balancing module which is a pressurized pressure control pressure limiting valve with a pilot pressure as a control variable. - A passage section (36) adjustable by a control (10) reduces the pressure P3 prevailing in the pipe (18) at the output of the EF module (48) at a pressure P4 in a pipe (22), the section of passage (36) which can reach complete closure - the control variable or pilot pressure of the EC module (53) balancing hot water is the pressure P4 prevailing in the pipe (8) in direct communication with the pipe (22) in which this same pressure P4 - the control variable or pilot pressure of the module EF (48) balancer cold water is the pressure P1 prevailing in the pipe (30) in direct communication with the volume (2) in which this same pressure P1 of the supply hot water through the pipe (1) - the hot water pressure P5 prevailing in the pipe (29) and the pressure P4 prevailing in the pipe (22) are substantially equal without the hot water pressure P5 is greater than the pressure n cold water P4-10- - the hot water pressure P5 prevailing in the pipe (29) and the pressure P4 in the pipe (22) respectively supply the hot and cold water circuits of an automatic temperature control system mixed water outlet which is usually a commercial thermostatic cartridge - the flow of the mixed water exiting through the pipe (26) is instantly canceled when there is an accidental failure of the hot water supply by the pipe (1), or the supply of cold water through the pipe (17) 2 - Apparatus of the hot and cold water mixing valve type for sanitary installations comprising - a hot water supply via a pipe (1) at a pressure P1 and a hot water temperature T1 - a supply of cold water via a pipe (17) at a pressure P2 and a cold water temperature T2 - a mixed water outlet - a mixed water flow control and shut-off valve operated by a lever-type or rotary control (10) - a manual system with a control (35) which controls the hot water (41) and cold water (39) passage sections in a mixing chamber (40), the cold water passage section (39) not closing completely to allow the drainage of a pipe (22) in the event of complete closure of the passage section (36), characterized in that - the hot water inlet (1) is equipped with an EC (53) hot water balancing module which is a PRESSURE CONTROLLED PRESSURE LIMIATOR pressure with pilot pressure as control variable. the cold water inlet (17) is equipped with an EF (48) cold water balancing module which is a pressurized pressure control pressure limiting valve with a pilot pressure as a control variable. - A passage section (36) adjustable by a control (10) reduces the pressure P3 prevailing in the pipe (18) at the output of the EF module (48) at a pressure P4 in a pipe (22), the section of passage (36) which can reach complete closure - the control variable or pilot pressure of the EC module (53) balancing hot water is the pressure P4 prevailing in the pipe (8) in direct communication with the pipe (22) in which this same pressure P4 - the control variable or pilot pressure of the module EF (48) balancer cold water is the pressure P1 prevailing in the pipe (30) in direct communication with the volume (2) in which this same pressure P1 of the supply hot water through the pipe (1) - the hot water pressure P5 prevailing in the pipe (29) and the pressure P4 prevailing in the pipe (22) are substantially equal without the hot water pressure P5 is greater than the pressure n cold water P4-11- - the hot water pressure P5 prevailing in the pipe (29) and the pressure P4 prevailing in the pipe (22) respectively feed the hot water circuits through the passage section (41) and cold water to through the passage section (39) of a mixing chamber (40) of mixed water outlet - the flow of the mixed water leaving the pipe (26) is instantly canceled when there is an accidental cut or the supply of hot water through the pipe (1), or the supply of cold water through the pipe (17) 3 - Apparatus of the type mixing valve hot water and cold water for sanitary installations comprising - a supply of hot water through a pipe (1) at a pressure P1 and a temperature hot water Ti - a supply of cold water through a pipe (17) at a pressure P2 and a cold water temperature T2 - a mixed water outlet - a manual system equipped with a swivel-mounted control (68) which simultaneously controls the full opening to the full closure of the hot water passage sections (41). ) and cold water (39) in a mixing chamber (40) characterized in that - the hot water inlet (1) is equipped with an EC module (53) hot water balancer which is a pressure-controlled pressure limiter pressure control type with pilot pressure as control variable. the cold water inlet (17) is equipped with an EF (48) cold water balancing module which is a pressurized pressure control pressure limiting valve with a pilot pressure as a control variable. the control variable or pilot pressure of the EC module (53) balancing hot water is the pressure P3 prevailing in the pipe (8) in direct communication with the pipe (22) in which the same pressure P3 - the control variable or pilot pressure of the cold water balancing unit EF (48) is the pressure P1 prevailing in the pipe (30) in direct communication with the volume (2) in which the same pressure P1 of the hot water supply prevails via the pipe (1) - The hot water pressure P5 prevailing in the pipe (29) and the pressure P3 in the pipe (22) are substantially equal without the hot water pressure P5 is greater than the cold water pressure P3 - the hot water pressure P5 prevailing in the pipe (29) and the pressure P3 in the pipe (22) respectively feed the hot water circuits through the passage section (41) and cold water through the passage section (39) of a Mixed water outlet mixing chamber (40) - the flow of the mixed water leaving the pipe (26) is instantaneously canceled when there is an accidental failure of the hot water supply by the pipe (1), or the supply of cold water through the pipe (17) 4 - Device type mixing valve hot and cold water for sanitary installations according to claim 1 characterized in that it is formed by 3 assembled modules, a hot water balancing module (53), a cold water balancing module (48) and a module temperature and flow control (59) 5 - Device type mixing valve hot and cold water for sanitary installations according to claim 2 characterized in that it is formed by 3 assembled modules, a hot water balancing module (53), a cold water balancing module (48) and a module temperature and flow control (65) 6 - Device type mixing valve hot and cold water for sanitary installations according to claim 3 characterized in that it is formed by 3 assembled modules, a hot water balancing module (53), a cold water balancing module (48) and a module temperature and flow control (66) 7 - Device type mixing valve hot water and cold water for sanitary facilities according to any one of claims 1 to 6 characterized in that it is formed by 3 assembled modules, the assembly of these modules is by a slide (49 ) type tenon and mortise and stopping in translation is done by the establishment of a flat lug (52).