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Donaldson heavy-duty high-pressure filters sit behind pumps and other prime movers to protect critical hydraulic components such as cylinders, motors and valves. All contain our SYNTEQ® synthetic filter media, specially developed by Donaldson for high efficiency liquid filtration. Working pressures range from 2000 psi up to 6090 psi; static pressures from 4500 psi up to 12000 psi.

	HPK02 – High Pressure, Low Flow Working Pressures to 2000 psi / 13,790 kPa / 137.9 bar Rated Static Burst to 4500 psi / 31,030 kPa / 310.3 bar Flow Range to 20 gpm / 0-75 lpm Aluminum Head and Housing HPK02 Details (PDF)
	HPK03 – High Pressure, Moderate Flow Working Pressures to 3000 psi / 20,700 kPa / 206.9 bar Rated Static Burst to 6000 psi / 41,400 kPa / 413.8 bar Flow Range 60 gpm / 0-227 lpm HPK03 Details (PDF)
	HPK05 Series – High Pressure, High Flow Working Pressures to 3000 psi / 20,700 kPa / 206.9 bar Rated Static Burst to 6000 psi / 41,400 kPa / 413.8 bar Flow Range to 200 gpm / 0-757 lpm HPK05 Details (PDF)
	W322 - High Pressure Duplex Filter Working Pressures to 3000 psi / 20,700 kPa / 206.9 bar Rated Static Burst to 7500 psi / 51,710 kPa / 517 bar Flow range to 50 gpm / 189 lpm Continuous Duty Duplex, 4” and 8” lengths available W322 specs
	W331 - High Pressure, Low Flow Working Pressures to 3000 psi / 20,700 kPa / 206.9 bar Rated Static Burst to 7500 psi / 51,710 kPa / 517 bar Flow Range to 6 gpm / 23 lpm Aluminum Head and Body, 4” length available W331 specs
	W341 - High Pressure, Low Flow Working Pressures to 3000 psi / 20,700 kPa / 206.9 bar Rated Static Burst to 7500 psi / 51,710 kPa / 517 bar Flow range to 20 gpm / 76 lpm Aluminum Head and Body, 5” and 8” lengths available W341 specs
	W350 - In-Line Hydraulic Filter Working Pressures to 3000 psi / 210 bar Rated Static Burst to 7500 psi max / 517 bar Flow Range to 50 gpm / 189 lpm W350 specs
	W440 - In-Line Hydraulic Filter Working Pressures to 4000 psi / 276 bar Rated Static Burst to 10000 psi max / 690 bar Flow Range to 20 gpm / 91 lpm W440 specs
	FPK04 – High Pressure, Moderate Flow Working Pressures to 4350 psi / 30,000 kPa / 300 bar Rated Static Burst to 9135 psi / 69,300 kPa / 6930 bar Flow Range to 100 gpm / 379 lpm FPK04 specs
	W451 - In-Line Hydraulic Filter Working Pressures to 4500 psi / 310 bar Rated Static Burst to 13500 psi max / 931 bar Flow Range to 150 gpm / 568 lpm Meets HF4 Standard W451 specs
	HPK04 – High Pressure, High Flow Working pressures to 6000 psi / 41,400 kPa / 413.8 bar Rated Static Burst to 12000 psi / 82800 kPa / 827.6 bar Flow Range to 120 gpm / 456 l/min) This versatile filter is offered in 2 lengths and has an optional reverse flow check valve. HPK04 Details (PDF)
	FPK02 - High Pressure, Low Flow Working Pressures to 6090 psi / 42 MPa / 420 bar Rated Static Burst to 9135 psi / 63 MPa / 630 bar Flow Range to 25 gpm / 95 lpm FPK02 is perfect for high pressure, low flow applications. FPK02 Details (PDF)
	W610 – High Pressure, Moderate Flow Working Pressures to 6000 psi / 41,370 kPa / 420 bar Rated Static Burst to 20,000 psi / 137,895 kPa / 1379 bar Flow Range to 55 gpm / 208 lpm Cast Iron Head, Steel Housing; L porting or Manifold Mount W610 specs
	WS610 – High Pressure, Moderate Flow Working Pressures to 6000 psi / 41,370 kPa / 420 bar Rated Static Burst to 15,000 psi / 103,421 kPa / 1034 bar Flow Range to 55 gpm / 208 lpm Cast Iron Head, Steel Housing; Manifold Mount WS610 specs
	W613 – High Pressure, Moderate Flow Working Pressures to 6500 psi / 44,815 kPa / 448 bar Rated Static Burst to 20,000 psi / 137,895 kPa / 1379 bar Flow range to 55 gpm / 208 lpm Cast Iron Head, Steel Housing; T Porting W613 specs
	W620 – High Pressure, High Flow Working Pressures to 6000 psi / 41,370 kPa / 420 bar Rated Static Burst to 15,000 psi / 103,421 kPa / 1034 bar Flow Range to 150 gpm / 568 lpm Cast Iron Head, Steel Housing; L Porting W620 specs
	WS620 – High Pressure, High Flow Working Pressures to 6000 psi / 41,370 kPa / 420 bar Rated Static Burst to 15,000 psi / 103,421 kPa / 1034 bar Flow Range to 150 gpm / 568 lpm Cast Iron Head, Steel Housing; Manifold Mount WS620 specs
	W621 – High Pressure, High Flow Working Pressures to 6000 psi / 41,370 kPa / 420 bar Rated Static Burst to 15,000 psi / 103,421 kPa / 1034 bar Flow Range to 120 gpm / 379 lpm Cast Iron Head, Steel Housing; T Porting W621 specs

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