Specifications

RFLD Hydraulic Duplex Line Filter
1. Easy install
2. 100% tested, Long Service Life
3. 7-30 working days prompt delivery

Stainless Steel RFLD Hydraulic Duplex Oil Line Filtering 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

Model	Specification	Connection Dimension	Filtration Rating ( μm )	Cracking Pressure  of the Bypass Valve (bar)	Type of Indicator	Model of Filter Element	Weight (kg)
RFLD	111	G1 SAE DN25	Optional 3,5,10,20,30...     βx(c) optional 75,100,200,1000, in accordance with ISO 16889	Setting 6 bar	A=Steel Plug   B=CM-03   C=CM-05   D=CM-08	DF0110Rx*	17 17
	241	G1 1/2 SAE DN 40				DF0240Rx*	27 27
	331 331/332	SAE DN 40 SAE DN 50				DF0330Rx*	33 37
	501 501/502/503	SAE DN 40 SAE DN 50				DF0500Rx*	35 39
	661 661 661 662	SAE DN 50 SAE DN 65 SAE/DIN DN80 DIN DN80				DF0660Rx*	56 74 82 82
	851 851 851/853 852	SAE DN50 SAE DN65 SAE/DIN DN80 DIN DN80				DF0850Rx*	62 80 88 88
	951 951 952	SAE/DIN DN80 SAE/DIN DN80 DIN DN100				DF0850Rx*	105 120 120
	1301 1301/1303 1302	SAE/DIN DN80 SAE/DIN DN100 DIN DN100				DF1300Rx*	110 125 125

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.

 

Qualification and Honor of DFFILTRI China's Quality Recognized Top Ten Well-known Filter Brand 19 years OEM Manufacturing Experience Testing Center-The Committee of Filtration & Separation of China Technology Market Association "The First Vice-chairman Unit” awarded by Xinxiang Filtration & Separation Industry Association

    Our Strategic Partners                                                                 

 

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

Xinxiang Dongfeng Filter Technology Co., Ltd. Add: No.42, West of Beigan Road, Xinxiang, Henan, China (mainland) Telephone: 86-373-2677957 Mobile Phone: +86-13623800571 Fax: 86-373-2634868 Website: