Vickers | HF3P1SB4JNB2
HF3P1SB4JNB2
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The HF3P1SB4JNB2 filter assembly is manufactured by Vickers and is part of the Vickers Hydraulic Accessories series for hydraulic automation. Its assembly length of 293 mm (11.5 in) keeps the unit compact for crowded power units. A ductile iron head provides the tensile strength needed for repeated pressure cycles, while a carbon-steel bowl resists impact and abrasion from circulating fluid. The SAE-16 1.312-12 UN port accommodates a 1-in tube connection so the housing can be inserted directly into standard pressure lines. An operating pressure rating of 410 bar (6000 psi) allows the filter to remain in service on high-pressure circuits, and an identical fatigue pressure rating of 410 bar ensures the same limit can be applied to cyclic loading without life reduction. At length code 2 it supports 208 L/min (55 US gpm) to match medium-flow actuators, and Buna-N seals retain petroleum-based fluids without swelling or leakage.
The internal element measures 203 mm (8 in) long, giving sufficient media area to trap contaminants over extended intervals. An element collapse rating of 17 bar (250 psi) keeps the pleats intact during cold-start restrictions or downstream blockages. A beta ratio of βx(c) = 1000 corresponds to 99.9 percent efficiency at the tested micron size, which limits solid loading in precision valves. The bypass valve cracks at 2.9 bar (43 psi) so oil flow continues if differential pressure rises as the element loads with debris. Service temperatures from −26 to +121 °C permit operation in outdoor equipment that sees both winter starts and elevated reservoir temperatures. A dry weight of 22.5 kg (49.5 lb) guides bracket sizing during installation, and a plug in place of an indicator means maintenance intervals must be scheduled rather than triggered by a visual or electrical signal.
Technical Specifications
Assembly Length
293 mm (11.5 in)
Beta Ratio
βx(c) = 1000
Bowl Material
Carbon Steel
Bypass Cracking Pressure
2.9 bar (43 psi)
Dry Weight (length 2)
22.5 kg (49.5 lb)
Element Collapse Rating
17 bar (250 psi)
Element Length
203 mm (8 in)
Fatigue Pressure
410 bar (6000 psi)
Head Material
Ductile Iron
Indicator Type
None (Plug)
Port Size
SAE-16 1.312-12 UN (1 in tube)
Pressure Rating (operating)
410 bar (6000 psi)
Rated Flow (length 2)
208 L/min (55 USgpm)
Seal Material
Buna-N
Temp Range
-26 to +121 C
1620 Old Apex Road
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