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Low pressure filters are the most commonly used type of filter in hydraulic circuits, used most often as return line filters in applications with working pressures up to 150 psi and static pressure up to 300 psi. Donaldson offers flow/pressure combinations to fit most applications. Continuous filtrations of bulk fluids through dedicated off-line circuits or kidney loops helps keep fuel, oil and lubricants clean.

	LPS04, SP15/25 –Economical Spin-on, low flow Working Pressures to 150 psi / 10.3 bar Rated Static Pressure to 300 psi / 20.7 bar Flow Ranges Return: up to 30 gpm / 114 lpm Suction: up to 10 gpm / 38 lpm SYNTEQ©, Cellulose, Wiremesh and Water Removal media choices. LPS04, SP15/25 specs
	HBK05 – In-line Spin-on, moderate flow Working Pressures to 150 psi / 10.3 bar Rated Static Pressure to 250 psi / 17.2 bar Flow Ranges: Return: up to 60 gpm / 227 lpm Suction: up to 30 gpm / 114 lpm With its heavy-duty steel bowl and SYNTEQ© media, the HBK05 is a popular choice for many industrial applications. HBK05 specs
	SP50/60 – In-line Spin-on, moderate flow Working Pressures to 150 psi / 10.3 bar Rated Static Pressure to 250 psi / 17.2 bar Flow Ranges: Return: up to 60 gpm / 227 lpm Suction: up to 30 gpm / 114 lpm SYNTEQ©, Cellulose, Wiremesh and Water Removal media choices. SP50/60 specs
	SP80/90 – Dual Spin-on Working Pressures to 150 psi / 10.3 bar Rated Static Pressure to 250 psi / 17.2 bar Flow Ranges: Return: up to 120 gpm / 454 lpm Suction: up to 60 gpm / 228 lpm Side by side dual filter configuration, two element lengths. SYNTEQ©, Cellulose, Wiremesh and Water Removal media choices. SP80/90 specs
	SP100/120 – Dual Spin-on Working Pressures to 150 psi / 10.3 bar Rated Static Pressure to 250 psi / 17.2 bar Flow Range: Return: up to 100 gpm / 378 lpm Space-saving vertical filter configuration, two element lengths. SYNTEQ©, Cellulose, Wiremesh and Water Removal media choices. SP100/120 specs
	TT15/30/60 –Spin-on Tank Top Return Filter Working Pressures to 100 psi / 6.9 bar Rated Static Pressure to 150 psi / 10.3 bar Flow Range: Return: up to 50 gpm / 189 lpm Cellulose media, convenient tank top mounting. TT15/30/60 specs
	FIK – In-tank, low flow Working Pressures up to 145 psi /10 bar Rated Static Pressure to 217 psi / 15 bar Flow: Up to 40 gpm / 150 lpm FIK-low-flow filters are economical models with screw-on caps, ideal for in-tank applications. The head and inlet sit above the reservoir, with the housing in it. FIK low-flow specs
	FIK – In-tank, high flow Working Pressures up to 145 psi /10 bar Rated Static Pressure to 217 psi / 15 bar Flow: Up to 211 gpm / 800 lpm The space-saving FIK-high-flow filters have heavy-duty heads, secured to a reservoir top by 2 or 4 bolts. FIK high-flow specs
	Combo Suction/Return Filter Innovative new 2-in-1 design! Combo Filter Details
	TI08/12/16 – Tank Immersed Filters, low flow Working Pressures up to 100 psi / 6.9 bar Flow Range: up to 25 gpm / 95 lpm TI series filters save space by mounting into tanks. Elements are easily replaceable through the filter cover. Different bowl lengths and a variety of media choices. TI08/12/16 specs
	TI25 – Tank Immersed Filters, moderate flow Working Pressures up to 100 psi / 6.9 bar Flow Range: up to 60 gpm / 227 lpm Variety of media choices for 9” (229 mm) elements. Steel bowl, Buna-N seals standard. TI25 specs
	HAK05 – Higher pressure, moderate flow Working Pressures to 500 psi / 34.5 bar Rated Static Pressure to 1000 psi / 69 bar Flows: Return Line: up to 120 gpm / 454 lpm Suction: up to 30 gpm / 114 lpm Inside-to-outside flow through the cartridge makes this unit perfect for return line filtering in heavy duty applications. Available in two element lengths, several choices of SYNTEQ© or wiremesh media. HAK05 specs
	HDK06 – higher pressure, moderate flow Working Pressures to 350 psi / 24.1 bar Rated Static Pressure to 500 psi / 34.5 bar Flow Ranges: Return Line: up to 150 gpm / 568 lpm Suction: up to 50 gpm / 189 l/min Choose from a range of SYNTEQ© media or wiremesh to achieve the cleanliness level you need. Element is installed from the top for user convenience. HDK06 specs
	HFK08 – Higher pressure, higher flow Working Pressures to 350 psi / 24.1 bar Rated Static Pressure to 500 psi / 34.5 bar Flow Ranges: Return Line: up to 300 gpm / 1136 lpm Suction: up to 100 gpm / 378 l/min Sturdy, versatile. Available in both in-line and in-tank styles. SYNTEQ© and wiremesh media options, inside-to-outside element flow and a single center retention bolt for simplified servicing. HFK08 specs Bulk Oil Filtration Story
	HFK08-0087 Kidney Loop Filter Working Pressures to 350 psi / 24 bar Rated Static Pressure to 500 psi / 34.5 bar Flow: 50 gpm / 190 lpm (Return Line) Our small-port HFK08 is ideal for dedicated off-line circuits (kidney loops) for fluid conditioning. HFK08-0087 Kidney Loop specs
	HRK10 – Low pressure Working Pressures to 150 psi / 10.3 bar Rated Static Pressure to 500 psi / 34.5 bar Flow Range to 300 gpm / 1135 lpm Combines best features: ANSI inlet port options, top cover element servicing for ease of maintenance, and a selection of service indicators. Six standard grades of media are offered. The HRK10 all-steel housing design provides a strong, durable, and dependable unit. HRK10 specs