Ajax Pumps and Motors

Positive displacement pumps for high-pressure fluid transfer applications

We are an authorized manufacturer of Ajax Vertical Plunger Pumps. These leading industrial pumps are ideal for heavy-duty, maintenance-free, continuous pumping duty in industrial, production, and chemical processing facilities around the world.

Product Overview

Ajax Vertical Plunger Pumps are continuous-duty pumps designed for demanding industrial and processing applications. These pumps have been an industry standard since 1952, known for their reliability and minimal maintenance requirements.

Technical Specifications

Power Range Models:

T125: 125 HP (93 kW)
T150: 150 HP (112 kW)

Operating Parameters:

Stroke Length: 5-6 inches (127-152 mm)
Flow Rates:
- Minimum: 11-58 GPM (43-220 LPM)
- Maximum: 225-469 GPM (852-1775 LPM)
Pressure Range:
- Minimum: 1030-1975 PSI (72-139 kg/cm²)
- Maximum: 4920-5150 PSI (346-362 kg/cm²)

Key Features

Outstanding durability with anti-friction bearings rated for 150,000+ hours of operation
Compact vertical design ideal for high-pressure, high-volume applications in space-constrained environments
Advanced three-way lubrication system ensuring reliable operation
Self-adjusting packing system that eliminates manual maintenance
Versatile fluid end options including aluminum-bronze, ferrous, and combination configurations
Innovative Synchro-Load™ Control system for smooth operation
Flow rates up to 469 GPM and pressures up to 5,150 PSI
Pre-tested at the factory to ensure performance

Options

Material Combinations

Aluminum-Bronze Configuration:

Aluminum-bronze cylinder blocks, manifolds, stuffing boxes
Stainless steel valve springs
Delrin valve discs

Ferrous Configuration:

Forged steel cylinder blocks
Ductile iron/steel stuffing boxes
Stainless steel valve components
Delrin valve discs

Combination Configuration:

Aluminum-bronze cylinder blocks and components
Ductile iron discharge manifolds
Cast iron suction manifolds

Other Options

Synchro-Load™ Control System for smooth loading/unloading
Plunger Options:
- Ceramic plungers (3+ year life expectancy)
- Colmonoy and Tungsten Carbide surfaces
Stuffing Box Packing Options
- Self-adjusting Y-Lip type
- Kevlar spiral-wound packing
- Non-adjustable non-crushable type

Applications

Oil and gas production/transfer
Pipeline service
Chemical injection
High-pressure water flooding for enhanced oil recovery
Industrial cleaning operations

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