Hydraulic Suction Strainers

Hydraulic suction strainers are used to remove large particles and unwanted contaminants from hydraulic fluids. This is necessary to protect the downstream equipment (such as pumps or specialised filters) from damaging particles. Hydraulic suction strainers are usually placed at the pump inlets as first-defence mechanisms to catch and suck away debris by closing the inlets of the filters.

What are hydraulic suction strainers used for?

Hydraulic suction strainers can be used as in-tank filters to protect pumps and other components in hydraulic systems. They're directly attached to the reservoirs. Purolator suction strainers are used for more robust debris or coarse contaminants like screws, metal chips and rags. They're typically found in the hydraulic pumps of textile and automotive component industries.

Types of hydraulic suction strainers

These strainers are categorised by mesh size, thread diameter and bypass valve type. Specialist strainers include:

  • In-tank options that are directly installed into the suction line of pumps below the minimum fluid level of the reservoir.
  • Magnetic strainers that are used to catch all sizes of ferrous metals that can destroy the pumps. These are often seen in the mineral processing and mining industries.

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Description Price Maximum Flow Rate Connection Thread Overall Length Overall Diameter Thread Size Filtration Size Maximum Operating Temperature Thread Standard
RS Stock No. 331-9587
Mfr. Part No.SE75231210
BrandParker
£20.42
Each
Units
50L/min BSP 1 139.5mm 64mm 1in 125µm +90°C BSP
RS Stock No. 331-9565
Mfr. Part No.SE75111110
BrandParker
£14.52
Each
Units
15L/min BSP 1/2 105.5mm 46mm 1/2in 125µm +90°C BSP
RS Stock No. 331-9600
Mfr. Part No.SE75351310
BrandParker
£30.63
Each
Units
130L/min BSP 1-1/2 200mm 86mm 1-1/2in 125µm +90°C BSP
RS Stock No. 331-9571
Mfr. Part No.SE75221110
BrandParker
£19.29
Each
Units
25L/min BSP 3/4 109.5mm 64mm 3/4in 125µm +90°C BSP
RS Stock No. 331-9616
Mfr. Part No.SE75361410
BrandParker
£43.11
Each
Units
180L/min BSP 2 260mm 86mm 2in 125µm +90°C BSP
RS Stock No. 331-9593
Mfr. Part No.SE75351210
BrandParker
£26.33
Each
Units
95L/min BSP 1-1/2 140mm 86mm 1-1/2in 125µm +90°C BSP
RS Stock No. 331-9622
Mfr. Part No.SE75461210
BrandParker
£70.56
Each
Units
225L/min BSP 2 150mm 150mm 2in 125µm +90°C BSP
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