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Simplex VS Duplex Marine Oil Filter: Complete Selection Guide For Ship Engineers
Choosing between simplex and duplex marine oil filter determines marine oil system stability and maintenance efficiency for vessel projects. A marine simplex oil filter owns one independent filter chamber, merits low price, small footprint and simple structure, suitable for intermittent oil pipelines, standby machinery, small vessel auxiliary oil systems where regular stop cleaning is allowed. A marine duplex oil filter adopts dual parallel filter chambers with reversing valve, supporting online backwash and mesh replacement without cutting off oil flow, ideal for main engine critical oil loops requiring zero-stop operation. In terms of performance, duplex oil filters feature higher pressure resistance, stronger anti-impact capacity and longer continuous working time, fit for ocean-going cargo ships and FPSO units. Simplex models are optimal for inland vessels, fishing boats and yacht auxiliary oil circuits to control procurement budget. Both types follow CB/T3025 marine manufacturing standard, support customized DN25-DN150 caliber, and adopt stainless steel filter mesh. Ship buyers can select models based on pipeline continuity demand, vessel type, oil medium and budget to match onboard fuel and lube filtration systems perfectly.
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