Vickers | HF3P1SB4RKB4C03
HF3P1SB4RKB4C03
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The HF3P1SB4RKB4C03 filter assembly is produced by Vickers within the Vickers Hydraulic Accessories series and is intended to remove particulate contamination from high-pressure fluid circuits in hydraulic automation. The assembly length is 414 mm (16.3 in), allowing installation in medium-height manifolds. A ductile iron head provides structural integrity under repeated load, while a carbon steel bowl offers impact resistance and pressure containment. The port uses a 1.312-12 UN SAE-16 straight thread so it mates with standard SAE adapters in power units. Maximum operating pressure is 410 bar (6000 psi) to match common pump ratings, and the same figure is accepted as fatigue pressure for long duty cycles. A bypass cracking pressure of 2.9 bar (43 psi) opens the internal bypass only when differential pressure rises, protecting the element. Buna-N seals tolerate petroleum-based fluids, and a temperature range from −26 °C to +121 °C (−15 °F to +250 °F) covers typical mobile and industrial environments.
The element uses C-Pak construction to present a large filtration surface inside the housing. An element length of 330 mm (13 in) increases dirt holding capacity so service intervals are extended. The rated flow for a length-4 element is 344 L/min (91 US gpm), permitting use on main pressure lines without excessive pressure drop. An element collapse rating of 17 bar (250 psi) resists deformation if the bypass fails to open. A clogging indicator is set at 2 bar (30 psi) differential to trigger maintenance before bypass occurs, and the electrical Hirschmann 115 V indicator type simplifies connection to control panels. Filtration aims for a target cleanliness level of 16/14/12 per ISO 4406, matching servo valve requirements. These characteristics align the HF3P1SB4RKB4C03 with high-duty hydraulic circuits that demand reliable contamination control.
Technical Specifications
Assembly Length
414 mm (16.3 in)
Bowl Material
Carbon Steel
Bypass Cracking Pressure
2.9 bar (43 psi)
Clogging Indicator Setting
2 bar (30 psi)
Element Collapse Rating
17 bar (250 psi)
Element Construction
C-Pak
Element Length
330 mm (13 in)
Fatigue Pressure
410 bar (6000 psi)
Head Material
Ductile Iron
Indicator Type
Electrical, Hirschmann 115 V
Max Operating Pressure
410 bar (6000 psi)
Port Type
1.312-12 UN SAE-16 Straight Thd.
Rated Flow (length 4)
344 L/min (91 USgpm)
Seal Material
Buna-N
Target Cleanliness Level
16/14/12 (ISO 4406)
Temperature Range
-26°C to +121°C (-15°F to +250°F)
1620 Old Apex Road
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