H&H Ger?tebau filter Germany H&H Ger?tebau model H&H Ger?tebau price

H&H Ger?tebau filter is the first coarse filtration device for whole-house water use, capable of filtering large particles such as sediment, rust, insect eggs, and red worms from tap water. Pre-filters are generally installed at the front end of the pipeline, hence the name "pre-"; while "filter" refers to the basic principle of this type of equipment. A filter (filter) is an indispensable device on media transport pipelines, typically installed at the inlet of pressure reducing valves, relief valves, constant level valves, Fanggong filters, and other equipment. The filter consists of a housing, stainless steel filter mesh, sewage discharge part, transmission device, and electrical control components. Applications include industrial wastewater, circulating water filtration, emulsion regeneration, waste oil filtration treatment, continuous casting water systems and blast furnace water systems in the metallurgical industry, and high-pressure water descaling systems for hot rolling. It is an advanced, efficient, and easy-to-operate fully automatic filtration device.

H&H Ger?tebau filter introduction

It usually has a "T" type structure. The left and right ends of the upper "horizontal bar" are the water inlet and outlet, respectively. The lower "vertical bar" position is the body and the internal cylindrical filter mesh, with the sewage outlet at the bottom, controlled by a valve for opening and closing. The precision range of the filter mesh varies by brand and model, ranging from 5-300 microns. It mainly removes precipitated impurities generated by pipelines, as well as bacteria, microbial remains, rust, sand, and other particulate impurities larger than 7 microns. It is typically installed after the water meter on the inlet pipeline to ensure that large amounts of precipitated impurities generated in the network do not harm the human body, and to provide positive protection for concealed pipelines, faucets, and electrical appliances. The filter is the nemesis of secondary pollution and is a reliable impurity filtration device.

H&H Ger?tebau filter working principle

When flushing retained matter is required, the flow direction is reversed manually or automatically by adjusting the built-in multi-way diverter valve of the filter, causing the raw water flow to move from the clean water side of the filter mesh (core) to the raw water side, achieving backwashing. Common backwashing pre-filters usually operate in an "internal pressure" mode (as this structure facilitates multi-way valve design), where tap water pressure permeates from the inner wall to the outer wall of the filter mesh (core). Particulate impurities such as sediment and rust are retained inside the tube. Opening the flush valve washes away the impurities retained by the filter mesh. If the water quality is poor and the consumer does not flush for a long time, there is no need to worry about clogged filter holes. Through the backwashing function, an "external pressure" mode is formed at this time, and impurities embedded in the filter core pores (which cannot be flushed out by forward flushing) are washed away by water. Compared with previous products, backwashing pre-filters represent a significant technological improvement. The flushing design is reasonable, allowing "forward flushing and backwashing at will" to thoroughly flush out impurities, eliminating secondary pollution caused by impurity accumulation.

H&H Ger?tebau filter wide application

Fine particles can cause pressure reducing valve failure in a short time (leading to dripping of disc-type ceramic valve cores), blockage and rupture of heat exchanger pipelines, and impurities will precipitate on the pipelines. On one hand, this provides a breeding ground for bacteria; on the other hand, it forms electrochemical compounds. It can filter visible impurities such as sediment, rust, and floating matter, greatly extending the service life of downstream equipment. In Germany, legislation stipulates that all buildings constructed after 1990 must install pre-filters. It is widely used in general water supply filtration systems for the food, textile, mining, electronics, and casting industries. Nozzle water filtration for the pulp and paper, metallurgical, and mechanical industries. General circulating water filtration for the food, electric power, mining, and smelting industries. Filtration of cooling tower circulating water for pharmaceutical, petrochemical refining, air conditioning, or heating systems. Pretreatment for sewage ion exchange in petrochemical, electromechanical, and pharmaceutical industries.

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