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The 4193 Series™ internal gear pump is the ideal solution for compressor lubrication, fuels, and lube oils due to its high speed operation and ability to withstand high working pressures. It can handle flows up to 75 GPM (17 m³/h).
Features & Benefits
- Close coupled to fit tight space constraints with vertical mount options for reduced unit footprint
- High speed operation for economical steel pump offering
- High working pressures for compressor lubrication applications
- Class 300 flanges standard on all sizes and models
Videos
Lube Oil (Machinery Lubrication)
Machinery lubrication pumps are used in everything from small backup generators to naval ships. Lube oils, as the name implies, are the liquids used to lubricate rotating and reciprocating machinery. Lube oils may be handled at higher pressures to ensure their penetration of the equipment.
Refined Fuels
Refined fuels would include petroleum based fuel oils and some Jet Fuels. Their viscosity and temperature handled can vary greatly. Normally these are handled in bulk transfer operations.
Biofuels
Biofuels include Biodiesel and Ethanol. These are fuels made from renewable resources and typically blended with refined fuels as additives.
Technical Service Manuals
Catalog Sections
Product Flyers
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REPAIR RESOURCES
Exploded Diagram for Series 493/4193 (Steel) - 495/4195 (iron) - and 4197 (SS) … 
Exploded Diagram for Series 493/4193 (Steel) - 495/4195 (iron) - 4197 (SS) - Si…
Quick Tip #01 - Setting End Clearance on a Viking Pump Universal Seal Pump 
Complete Repair of Small Size (G-AL) Motor Speed Pumps
Viking Pump Motor Speed Series 493, 495, 4193, 4195, 4197 Pump Repair Kit Installation
How to Use a Thrust Bearing Locknut Tool
Viking Pump Universal Seal Series with Stuffing Box Component Seals Repair Kit Installation
Quick Tip #02 - Install Mechanical Seal into Stuffing Box in Viking Pump Universal Seal Pump
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DRAWINGS
AK4193 with Plain Head - 3" Class 300
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AK4193 with Relief Valve - 3" Class 300
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AL4193 with Plain Head - 3" Class 300
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AL4193 with Relief Valve - 3" Class 300
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AS4193 with Plain Head - 3" Class 300
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AS4193 with Relief Valve - 3" Class 300
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GG4193 with Plain Head - 1" Class 300 ANSI Opposite
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GG4193 with Relief Valve - 1" Class 300 ANSI Opposite
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HJ4193 with Plain Head - 1.5" Class 300 ANSI Opposite
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HJ4193 with Relief Valve - 1.5" Class 300 ANSI Opposite
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HL4193 with Plain Head - 1.5" Class 300 ANSI Opposite
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HL4193 with Relief Valve - 1.5" Class 300 ANSI Opposite
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