Udor BKC 21/25 GR Plunger Pump Gear Reduction Drive W/ SAE J609-B Flange 2.2:1 Gear Reduction, 5.5 GPM, 3625 PSI

Udor BKC 21/25 GR Plunger Pump Gear Reduction Drive W/ SAE J609-B Flange 2.2:1 Gear Reduction, 5.5 GPM, 3625 PSI

The Udor BKC 21/25 GR Plunger Pump is a super-duty gear reduction model designed for gas engine applications requiring high pressure and durability. Delivering a maximum flow of 5.5 GPM and a pressure rating of 3625 PSI, this pump operates at 1450 RPM with a 2.2:1 gear reduction drive and SAE J609-B flange for efficient power transfer. Built with a heavy-duty brass manifold, reinforced inlet and discharge ports, and high-strength connecting rods, it ensures reliable performance under demanding conditions. Ideal for pressure cleaning, sewer jetting, vehicle wash systems, and UHP fire fighting, the BKC Series combines strength, precision, and efficiency for industrial-grade results.

Industries: Pressure Washing, Truck Wash, Car Wash, Food Processing, In Plant Cleaning Systems, Graffiti Removal, Fire Fighting, Sewer Jetting, Hydro Excavating, Reverse Osmosis, Desalination Process, De-Mucking, Misting/Fogging/Cooling, Air Conditioning Cleaning, Ground and Sod Aeration, Machine Tool Coolant, Tree Debarking, Directional Boring and Drilling, Hydrostatic Testing, Soft Wash

Features

• Gear Reduction Drive: 2.2:1 ratio for gas engine compatibility and optimal torque.
• Heavy-Duty Brass Manifold: External and internal bracing for superior strength.
• Durable Components: Bronze or aluminum alloy connecting rods for extended service life.
• Enhanced Valve Design: Large diameter brass valve caps with increased thread depth.
• Efficient Lubrication System: 15.4 oz vented oil bath crankcase for optimal lubrication.

Specifications

• Bar: 250
• Crankshaft Stroke/Code: 19.0mm/Y
• GPM: 5.5
• Inlet: 1/2 in. BSP-F
• Lubrication: 15.4 oz Udor Lube
• Max Fluid Temp: 160°F
• Max Flow: 5.5 GPM / 21.0 L/min
• Max Pressure: 3625 PSI
• Model: BKC 21/25 GR
• Outlet: 3/8 in. BSP-F
• Plunger Dia.: 18mm
• Power Requirement: 18.0 HP Gas
• Rated Pump Speed: 1450 RPM
• Seal Kit: 6061.28
• Shaft: SAE J609-B Flange, 1 in. Hollow Shaft
• Valve Kit: 6061.30

Downloads

Specification Sheet (PDF Download)