KCL’s KT Denison-Type Double Pumps combine two independent vane pumping elements into a single housing, giving system designers a compact, efficient way to power two separate hydraulic circuits from a single drive shaft. Built to the same rigorous standards as our single pump line, these double-cartridge configurations are engineered to match Denison’s T6C and T7 double-pump specifications, giving you verified interchangeability without redesigning your existing system.

Why Double Pumps Make Sense for Multi-Circuit Systems

Many industrial hydraulic systems don’t just need one flow rate at one pressure — they need two. A machine tool might need a high-pressure, low-flow circuit for clamping while simultaneously running a higher-flow, lower-pressure circuit for a secondary function like tool changing or material feed. Rather than installing two completely separate pumps, each with its own mounting, drive coupling, and inlet plumbing, a double pump combines both pumping elements into one integrated unit driven by a single shaft.

This approach reduces the mechanical footprint of your hydraulic power unit, simplifies drive coupling requirements (you only need one motor connection instead of two), and can reduce overall system cost compared to sourcing and integrating two standalone pumps.

Flexible Displacement Combinations

KT Denison-Type Double Pumps are available in a range of displacement combinations, allowing you to pair a higher-displacement cartridge with a lower-displacement cartridge (or two matched cartridges, depending on your circuit requirements) within the same housing. This flexibility means you can match each half of the pump precisely to the flow and pressure demands of the specific circuit it feeds, rather than compromising with a single-displacement pump that over-serves one circuit and under-serves the other.

Frame size options span from compact configurations suited to smaller machine tools through larger frames capable of higher combined flow output for heavier industrial applications, with maximum pressure ratings that vary by frame and displacement combination — generally in the 210 to 240 bar range, consistent with our single pump line.

Same Reliability Engineering, Doubled Up

Every pumping element within a KT Double Pump benefits from the same intra-vane mechanism used across our single pump line — the design that balances hydraulic loading on the rotor to minimize pressure ripple, reduce internal leakage, and keep operating noise low. Running two pumping elements in one housing doesn’t mean compromising on the engineering that makes each individual element reliable.

The modular cartridge design also carries over to the double pump configuration, meaning maintenance teams can service one pumping element without necessarily disturbing the other, minimizing downtime when only one circuit needs attention.

Configuration Options

Like our single pump line, KT Denison-Type Double Pumps are available across multiple shaft configurations, porting combinations, rotation directions, and seal classes (standard mineral oil or fire-resistant fluid compatible). This means the double pump platform can be specified into a wide range of existing hydraulic circuit designs without requiring custom engineering for basic configuration differences.

Typical Applications

Double pump configurations are especially well suited to:

• Injection molding machines that require separate circuits for clamping and injection functions
• Machine tools with multiple simultaneous hydraulic functions, such as fixturing and material handling
• Industrial power units feeding two distinct downstream circuits with different pressure and flow requirements
• Mobile equipment where space and weight constraints make a single integrated double pump preferable to two separate units

Why Choose KCL’s KT Denison-Type Double Pump

Specifying a double pump instead of two single pumps isn’t just about saving space — it’s about reducing the number of components in your system that can fail, simplifying your maintenance parts inventory, and often reducing your total installed cost. KCL’s KT Denison-Type Double Pumps are manufactured under the same ISO 9001:2015 certified processes as our entire product range, with the same intra-vane engineering and cartridge-based serviceability that has made our single pump line a trusted choice for OEMs worldwide.

Not sure which displacement combination fits your two-circuit application? Share your flow and pressure requirements for each circuit with our technical sales team, and we’ll help you specify the right configuration.