SDRLF Pressure Hydraulic Return Oil Duplex Strainer for Hydraulic System

 SDRLF Pressure Hydraulic Return Oil Duplex Strainer for Hydraulic System    

1. Product Introduction 

SDRLF duplex large flow filter serie is with simple structure, the filter elements can be cleaned or replaced under continuous work to ensure normal operation of the equipment.  

2. Product Characteristics                                                                   

Filter basic construction

The characteristics of this filter are that the continuous operation is allowed even during element is changed for which is clogged by contaminants,

only need to open the balance valve and then turn the directional valve, the other filter begins to work, the clogged element should be changed in time.

This series filters are widely applied on hydraulic systems of heavy machinery, mining machinery, metallurgical machinery etc.  

2.1 Housing material

Carbon steel   

2.2 Seals 

Perbunan (= NBR)  

2.3 Filter element

Filter medium material

High strength carbon steel skeleton

2.4 Optional accessories

Combined visual/electrical clogging indicator   

3. Type Selection and Technical Data   

3.1 Order example

3.2 Technical Data

    About Us          

♦DFFILTRI was founded in 1995, since then we devoted ourselves to research, develop and produce many kinds of hydraulic filters, air filters, hydraulic system accessories, cleaning and filtration equipments, pump valve components. DFFILTRI is our brand, which enjoys high

popularity and it has successfully achieved the position both in China and across the world.

♦DFFILTER filtration technology testing center covers a total area of 450 square meters, of 

which, clean room area of 200 square meters, and cleanliness is up to 100,000 levels. The

centre undertakes filtration technology inspection and testing for in house science research,

 production and industry service.   

♦On-line particle counter of BETAB-HIAC/POYCO type (8000A/8000S) provided 

by HIAC/POYCO company in USA, and its supporting machine"Multi-pass test" and 

"single-pass test" implements ISO16889 new standard and other international 

standards perfectly.  

♦Testing center also has the developed equiment for filter performance testing, which can 

make the comprehensive examination for filter element/cartridge performance. These can

 insure that company’s filter with high capacity, long life, high reliable in full compliance with 

our customer's  requirement.

Our Strategic Partners            

P.S These are just part of our clients, in no particular order.