Cylindrical slotted filters

One of the priority directions of our enterprise is output of the production for oil and gas industry. The usage of our slotted filters has many advantages in comparison to traditional:
- It doesn’t need equipment for a well with the casing pipe;
- It doesn’t need the cementation of a shaft and perforation;
- It doesn’t need forced gravel filter
- Flushing liquid consists of one mortar
With the help of our technology resource companies finish downhole equipment  2 weeks earlier and accordingly they start well operation in advance.
As a result the filters of “LEMZ” LTD have following economical parameters:

- The reduction of use life of expensive drilling equipment;
- The increase of daily output in 2-3 times in comparison to other filters;
- The increase of total debit to 15 % in comparison to old filters;
Also we produce slotted filters of different parameters (flat, conical, 2-conical) for tubing.

 Main directions of using slotted cylinders during water treatment are:
- The filtration of water at the industrial enterprises, electric power station;
- The filtration of water in the closed circulating systems, in the pulp and paper enterprises, chemical and food industries;
- The filtration of sewage.

Food Industry

- Drums of a pulp catcher (sugar-spirit refinery);
- Auger –drill screens of a pulp catcher;
- Slotted screens for a scald machine, filter tanks;
- Box malting and so on.

Pulp and paper industry

Enterprises of pulp and paper industry are the consumers of slotted screens for sorting, thickeners, water separators. Flat screens or cylindrical slotted filters are widely used depending on technologies. Cylindrical filters are mainly used with inclining profile.

• Welded slotted goods