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SRLF Duplex Return Line Filter Series

The SRLF Duplex Return Line Filter Series provides continuous filtration for critical industrial processes with a redundant, duplex filter design. Two cartridge filters are installed in parallel on the return line, allowing one filter to filter the fluid while the other is isolated for servicing. An automatic control valve switches between the filters to provide uninterrupted filtration. The cartridge filters trap and removes particles from returning fluid to protect your pumps, valves, and other system components. Many micron ratings and cartridge styles are available to match your specific application requirements.

Introduction

The SRLF series filter is composed of two single bowl filters and a 2-position 6-way directional valve. It is simple in structure and easy to use. There is by-pass valve and a contamination indicator in it for protecting the hydraulic system safety.

The feature of this filter allows continues operation even during replacing elements clogged by contaminants. Turning the directional valve, another filter will be working in the hydraulic system, the clogged element should be changed in time.

This series filter is widely used in the hydraulic systems of heavy-duty, mining and metallurgical machines.

Technical Parameters

ModelFlow rate
(L/min)
filtration accuracy
(μm)
Dia
(mm)
Press.
(MPa)
Pressure loss(MPa)Indicator powerWeight (Kg)Model of element
InitiaMax
SRLF-60x*P601
3
5
10
20
30
251.6<=0.080.3524V/48W
220V/50W
13.2SFX-60 X *
SRLF-110x*P1102513.7SFX-110 X *
SRLF-160x*P1604029.5SFX-160 X *
SRLF-240x*P2404032SFX-240 x *
SRLF-330 x*P3305052.5SFX-330 x *
SRLF-500 x*P5005058.5SFX-500 x *
SRLF-660 x*P6608077SFX-660 x *
SRLF-850x*P8508081SFX-850 x *
SRLF-950x*P950100112SFX-950 x *
SRLF-1300 x*P1300100121SFX-1300 x *

Note:*is represents filtration. If the filter fluid is water-glycol, usage pressure 1.6MPa, flower rate 110L/min, filtration accuracy 10 um and the filter equipped with indicator.The model of the filter is SRLF.BH-110X10P, the model of element is SFX .BH-110X10 

Connection Size

Table I

ModelSize (mm)
DNDD1dd0fb1A2h1B1L1L2L3Bb2h2h3h4A3b3LA1H*H1
SRLF-60x*P2592685011214986010016823220416046516209011316200258222
SRLF-110x*P289
SRLF-160x*P40120927213.512576120230350250675203012014405270361293
SRLF-240x*P352
SRLF-330x*P50140110901459013025438034028090486310395368
SRLF-500x*P449

Table II

ModelSize (mm)
DNDD1dd0fb1A2h1B1L1L2L3Bb2h2h3h4A3b3LA1HH1
SRLF-660 x * P8020016013317.53202051151703255204804106150253016018654440790548
SRLF-850x *P630
SRLF-950x*P100220180158225132190360630560470130304030022774520840609
SRLF-1300 x*P728

Filtration Effect

Package

Oil filters with plastic wrap, and packaed by wooden case.

12

After-Sales Service

1 year warranty (charge for human damaged parts)

Lifetime maintenance and spare parts supply

Customized products designed according to your needs

Free training for your staff on equipment installation and operating procedures

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