The CLAMPSEAL Valve is much easier to renew than anything else on the market.

No. 5,287,570 to Peterson et al. A check valve can be placed on the cold water side to prevent the flow of cold water through the bypass valve when only the hot water side is flowing.

Valves for the world's most demanding applications with a global team of experts to help to meet your most challenging needs. 28. Low acquisition cost is not as important as low cost over the serviceable life of a valve.

Assignors: HARRIS, KEITH, LUM, KEN, KEMPF, DALE, https://patents.darts-ip.com/?family=24801445&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US6536464(B1). Unknown, Aqua-Heat Hot Water Recirculating System-Installation and Operation Instructions, unknown, total 4 pages, The Blumenauer Corporation.

If faucet valves at same sink don't care as mixing hot and cold anyway. When the water from the hot water heater reaches the desired temperature level at the bypass valve, the bypass valve closes and hot water is made available to the hot water side of the fixture. The water circulating system according to, 43.

bypass grundfos recirculation rheem rtgh

In the drawings which illustrate the best modes presently contemplated for carrying out the present invention: FIG. breville 800es esp8

Substantially warmed water in the cold water piping system is also undesirable as it requires re-adjustment of shower or tap valves to maintain a constant mix temperature while the tepid water is exhausted from the cold water pipe and replaced with cold water. A bias spring pushes against the piston on the thermal actuator to close the actuator and open a passage between the cold and hot water sides when water needs to be bypassed. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. The water circulating system according to. 39. bypass lpg valves pumps meeder compressors When opened again, it is not at all uncommon for the hot water side of such a fixture to supply cold water through the hot water valve when it is first opened and for some time thereafter.

3 through 5, that is used in conjunction with a thermostatic control head having a sensor bulb to detect the temperature of the supply water.

The thermostatically controlled bypass valve according to. The bypass valve is configured to bypass water from the hot water piping system to the cold water piping system until the water in the hot water piping system rises to a preset temperature value.

a thermostatically controlled bypass valve at said fixture, said bypass valve interconnecting said hot water piping system and said hot water inlet and interconnecting said cold water piping system and said cold water inlet, said bypass valve configured to bypass water from said hot water piping system to said cold water piping system until the water in said hot water piping system reaches a preset temperature value, said bypass valve comprising a generally tubular valve body having a thermally sensitive actuating element and a bias spring disposed therein, said valve body having a first end, a second end and a separating wall therebetween, said first end having a first inlet port and a first discharge port, said second end having at least one port, said separating wall having a passage therein interconnecting said first end and said second end of said valve body, said actuating element disposed in said valve body at said first end of said valve body, said actuating element having an actuating body and a rod member, said rod member configured to operatively extend from said actuating body and sealably abut said passage in said separating wall, said bias spring disposed in said valve body between said separating wall and said actuating body of said actuating element and operative to urge said piston toward said actuating body to open said passage in said separating wall. It is also an important objective of the present invention to provide a thermostatically controlled bypass valve that utilizes a pump in the hot water piping system to circulate water from the hot water piping system to the cold water piping system through the bypass valve until the temperature of the water in the hot water piping system reaches a preset level. While there is shown and described herein certain specific alternative forms of the invention, it will be readily apparent to those skilled in the art that the invention is not so limited, but is susceptible to various modifications and rearrangements in design and materials without departing from the spirit and scope of the invention. ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LUM, KEN;KEMPF, DALE;HARRIS, KEITH;REEL/FRAME:013704/0251;SIGNING DATES FROM 20000929 TO 20001010, Free format text:

If the bypass valve is equipped with a spring loaded check valve to prevent siphoning of cold water into the hot water side when only the hot water faucet is open, then the very small flow allowed through the throttled-down valve may cause chattering of the spring loaded check valve. The typical water distribution system brings water in from an external source, such as a city main water line or a private water well, to the internal water distribution piping system. 27.

The water circulating system according to, 42.

way flowcon valve flushing bypass pass introduces usa engnet

The thermostatically controlled bypass valve according to, 6. Innovative Environmental Solutions Pty Ltd. GRUNFOS PUMPS MANUFACTURING CORPORATION, CALIFORNI, ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LUM, KEN;KEMPF, DALE;HARRIS, KEITH;REEL/FRAME:013704/0251;SIGNING DATES FROM 20000929 TO 20001010, Grundfos Hot Water Recirculation-Product and Appication Guide, Installation and Operating Instructions for the Chilipepper Appliance, Metlund-Installation and Operating Instructions, Water control fixture having thermostatically controlled bypass valve, Water pump and thermostatically controlled bypass valve, Apparatus and system for retrofitting water control valves, Water circulating system having thermostatically controlled bypass valve, Water control fixture having bypass valve, Water control fixture having a failed closed bypass valve, Bypass valve for a water circulation system, Apparatus for maintaining fluid temperature, Apparatus for controlling the temperature of the water in kitchen sink, Apparatus for Maintaining Fluid Temperature, Domestic water pre-heating apparatus and method for a vehicle, Electronic user interface for electronic mixing of water for residential faucets, Method and device for reversing lines in the procedure of hemodialysis, Heated water recirculation system and thermostatic valve assembly for same, Method and system for controlled release of hot water from a fixture, System and method for temperature control of hot-water supply system, Water recovery systems and control valves, Capacitive coupling arrangement for a faucet, Water delivery system and valve for a sink, Hot water storage type hot water supply device, Sanitary installation for saving water.

A single, small pump can be used in the hot water piping system to pump water through the hot water piping system to the hot water inlet on the fixture.

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Although the invention described in the Peters' patent relies on gravity or convection flow, similar systems utilizing pumps to cause a positive circulation are increasingly known.

In particular, it should be noted that the present invention is subject to modification with regard to the dimensional relationships set forth herein and modifications in assembly, materials, size, shape, and use.

38.

Even more particular, the present invention relates to use of such a thermostatically controlled bypass valve in a water distribution system utilizing a single circulating pump at the water heater.

The CLAMPSEAL Valve line provides a modular solution to rising maintenance expenses. Conval has met the increasing demand of fossil power energy utilities for nearly half a century.

1; FIG.

FIG. The thermostatically controlled bypass valve according to, 13.

In the preferred embodiment, the first and second inlet ports are axially disposed on the valve body, the first and second discharge ports are radially disposed on the valve body and the actuating element is a wax-filled cartridge actuator.

Suction up t.. a single pump in said hot water piping system prior to the first branch of said hot water piping system leading to said fixture having said bypass valve, said pump configured to pump water through said hot water piping system to said hot water inlet on said fixture.

2. 133 Lpm max flow The separating wall has a passage that interconnects the first end and the second end of the valve body to allow water to flow from the first end to the second end. At the sink, bathtub or shower fixture located away from the water heater, the person desiring to use the fixture will either have to use cold or tepid water instead of hot water or wait for the distribution system to supply hot water through the open hot water valve. In the primary embodiment of the present invention, the bypass valve is a generally tubular valve body having a first end (hot water side), a second end (cold water side) and a separating wall located therebetween. 5, the bypass valve is used in conjunction with a separate temperature sensor. 1. The source of cold water also supplies water to the hot water heater for distribution through the hot water piping system.

The body-to-bonnet joint integrity is maintained through countless thermal cycles. The water circulating system according to, 33. The thermostatically controlled bypass valve according to, 3.

The Axial design ensures tight concentricity, which eliminates side loading of the packing and minimizes wear forces on the trim components. Hot and cold faucet valves fully closed Thermal actuator, C. Hot faucet valve fully open, cold faucet valve closed Actuator element, D. Hot faucet valve closed, cold faucet valve fully open Actuator element, E. Hot and cold faucet valves both partially open in any combination Actuator element, MODE II: Water in Hot Water Supply Line Hot, Pump Off, A. If at remote sinks probably not noticeable.

After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. Unlike older massive designs with limited serviceability, the CLAMPSEAL unit tandem valve offers compactness, lighter weight and easy maintainability as well as longevity of service.

Conval Clampseal Recirculation Bypass Valves are designed to prevent overheating of feedwater pumps during critical low-load operating periods. 5,572,985 to Benham.

Actuator element, C. Hot faucet valve fully open, cold faucet valve closed Thermal actuator, D. Hot faucet closed, cold faucet fully open Thermal actuator, E. Hot and cold faucets both partially open in any combo Thermal actuator, MODE III: Water in Hot Water Line Cooled Off, Pump On, A.

The hot water heater supplies hot water to the fixture through the hot water piping system that interconnects the hot water heater with the hot water inlet at the fixture.