1502 - Bypass Filter/Element | Royac

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8.00 LBS
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Fluid Type:
Lube, Hydraulic, Diesel
Service Sump Size::
0-30 Gallons
Oil Viscosity:
46, 68, 100, 150
Oil Weight:
SAE 20, SAE 30
Make-Up Oil Required (Quarts):
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1502 Harvard Depth Filter Element

Product Overview:

Elevate the purity of your oils with the Harvard Depth Filtration System Model 1502, engineered to meticulously eliminate particles and water contaminants down to 1 micron without stripping away essential additives.

This filtration unit showcases a compact design, with dimensions of 8.5 inches in height and a diameter of 5.5 inches, ensuring a seamless fit into your existing setup.


Designed for the high demands of lubrication management, the Model 1006 is your go-to solution for filtering:

  • Hydraulic Oil
  • Engine Oil
  • Transmission Oil
  • Transformer Oil
  • Cutting Oil
  • Diesel Fuel
  • Other low viscosity oil-based lubricants

Compatibility with Oil Viscosities:

For optimal performance, the Model 1502 is recommended for use with lubricants of the following viscosities:

  • Diesel Fuel
  • ISO: 46, 68, 100, 150
  • SAE: 20, 30, 40

Performance Capacity and Flow Rates:

This filtration system is designed for efficiency and capacity, requiring 4 Quarts (3.8 Liters) of make-up fluid to accommodate a broad range of sump sizes from 1 to 30 Gallons (5 to 113.6 Liters). It efficiently handles:

  • Lubrication systems: 1 to 30 Gallons
  • Hydraulic: 1 to 30 Gallons

 Technical Specifications:

  • Filtration efficiency: Beta3=250
  • Maximum operating pressure: 80 PSI


 The unit measures 8.5 inches in height and 5.5 inches in diameter, optimizing space and efficiency.

Important Considerations:

Please note that factors such as viscosity, operating temperature, and levels of contamination can influence the sizing and flow rates of this filtration equipment. For most applications, it is advised to replace the filtration elements every 500 to 1000 hours of operation, or when the pressure nears 50 PSI, to maintain optimal filtration performance.