SWAGELOK filter Germany SWAGELOK model SWAGELOK price

The SWAGELOK filter is the first stage of coarse filtration for whole-house water usage, capable of filtering out large particles such as sediment, rust, insect eggs, and midge larvae 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, and other equipment. The filter consists of a housing, a stainless steel filter screen, a sewage discharge section, a transmission device, and an electrical control section. Applications include industrial wastewater, circulating water filtration, emulsion regeneration, waste oil filtration treatment, continuous casting water systems in the metallurgical industry, blast furnace water systems, and high-pressure water descaling systems for hot rolling. It is an advanced, efficient, and easy-to-operate fully automatic filtration device.

SWAGELOK Filter Introduction

It typically features a "T" type structure. The horizontal bar at the top has water inlet and outlet ports at its left and right ends, respectively. The vertical bar below represents the body and the internal cylindrical filter screen, with the sewage outlet at the bottom, controlled by a valve for opening and closing. The filtration precision range varies by brand and model, starting from 5-300 microns. It mainly removes precipitated impurities generated by pipelines, as well as bacteria, microbial residues, rust, sand, and mud, specifically targeting particulate impurities larger than 10 microns. It is usually 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.

SWAGELOK Filter Working Principle

When flushing retained matter is required, the flow direction is reversed manually or automatically by adjusting the multi-port diverter valve built into the filter. This causes the raw water flow to move from the clean water side of the filter screen (core) to the raw water side, achieving backwashing. Common backwashing pre-filters typically operate in an "internal pressure" mode (as this structure facilitates multi-port valve design), where tap water pressure permeates from the inner wall to the outer wall of the filter screen (core). Particulate impurities such as sediment and rust are retained inside the tube. Opening the flush valve washes away the impurities trapped by the filter screen. If the water quality is poor or the user does not flush for a long time, clogged filter pores are not a concern. Through the backwashing function, an "external pressure" mode is formed, washing away impurities embedded in the filter core pores that could not be removed by forward flushing. Compared to previous models, backwashing pre-filters represent a significant technological improvement. The flushing design is reasonable, allowing "forward and backward flushing at will" to thoroughly flush out impurities, eliminating secondary pollution caused by impurity accumulation.

Wide Application of SWAGELOK Filters

Fine particles can cause pressure reducing valves to fail within a short time (leading to dripping in disc-type ceramic valve cores), block or rupture heat exchanger pipelines, and allow impurities to settle in pipelines. This provides a breeding ground for bacteria and forms electrochemical compounds. It can filter visible impurities such as sediment, rust, and floating matter, significantly extending the service life of downstream equipment. In Germany, legislation mandates that all buildings constructed after 1993 must install pre-filters. They are widely used in general water supply filtration systems for the food and beverage, 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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