The Practical RFLD Hydraulic Duplex Oil Line Filtration Device

Specifications

The Practical RFLD Hydraulic Duplex Oil Line Filtration Device

1. Product Introduction                                                                       

The filter housing and the connectors are designed in accordance with the international standard, widely used in the lubricating oil system of circulating loop, test systems, vehicles, punching machine, ships and offshore platforms etc.  

2. Product Characteristics                                                                   

Filter basic construction

RFLD series filters are connected by a switch valve, drift diameter DN80 and above is equipped with pressure balance pipeline; below DN80, the balance valve is put in change-over valve body.

This structure reduces the pressure impact on the filter when switching valve, standard filter is with vent hole, relief hole, and mounting holes of clogging indicator.  

2.1 Housing material

Optional: Ductile iron, cast steel  

2.2 Seals

Perbunan (=NBR)

2.3 Filter element

Filter medium material

High strength carbon steel skeleton

2.4 Optional accessories

Without clogging indicator, with steel plug

Visual clogging indicator: CM-03

Electrical clogging indicator: CM-05

Combined visual /electrical clogging indicator: CM-08

Bypass valve (setting 6 bar)

2.5 Type of connection 

Inch threaded connection; Flanged connection

2.6 Symbols 

3. Type Selection and Technical Data                                                 

3.1 Order example

3.2 Technical Data

Note: * represents filtration rating. 

4. Mounting Size                                                                                 

4.1 RFLD 111-501 

Note: 1)Flange connection SAE J518C (Standard pressure 3000psi)
          2)Thread connection in accordance with ISO 228.  

4.2 RFLD 661-1301

Note: Flange connection as per SAE J518C (Standard pressure 3000psi)

           DIN flange connection as per DIN2501.PN25/40 (D or E seal)

4.3 RFLD 332/502/503

4.4 RFLD 662-1302,853,1322 

Note: DIN flange connection as per DIN2501, PN25/40 (D or E seal)

    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.