Tsunami Pure-7 – Pure Series Regenerative Air Dryer, 7.5 HP / 25 CFM, 120 V, PN: 21999-1140 & 21999-1140-MM

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Tsunami Pure-7 – Pure Series Regenerative Air Dryer, 7.5 HP / 25 CFM, 120 V, PN: 21999-1140 & 21999-1140-MM

Description:
The Tsunami Pure-7 Regenerative Air Dryer, available from Compressed Air Advisors Online – America’s choice for compressed air solutions, delivers powerful moisture removal and superior air quality for systems up to 25 CFM (7.5 HP).
Engineered for demanding industrial and shop environments, the Pure-7 achieves dew points as low as –80°F and relative humidity down to 0.01% RH, ensuring your compressed air system remains free from damaging water, oil, and particulates.

Each dryer includes two-stage pre-filtration, molecular sieve desiccant towers, automatic drains, purge mufflers, and a solenoid-controlled regeneration cycle for dependable, low-maintenance performance. With an average annual upkeep cost under $100, the Tsunami Pure-7 is a compact, efficient solution that delivers maximum uptime and reliability.

Available Variants

  • Model 21999-1140 (Standard): Equipped with a mechanical float drain for automatic moisture removal — simple, reliable, and maintenance-free.

  • Model 21999-1140-MM (Pneumatic): Includes pneumatic Moisture Minder™ drains, ideal for facilities where electrical components are limited or where C1D1 hazardous ratings apply.

Both models deliver identical drying performance — choose your preferred drain configuration for your specific installation needs.

Key Features

  • 2-Stage Pre-Filtration:

    • Stage 1 – Water Separator: Removes liquid water & particulates down to 10 microns.

    • Stage 2 – Oil Coalescing Filter: Removes oils, aerosols & particulates down to 0.01 microns.

  • Molecular Sieve Desiccant: Achieves dew points to –80°F and RH to 0.01%.

  • Automatic Drains & Purge Mufflers: Quiet, self-purging operation for consistent performance.

  • Solenoid Valve Timer: Manages regeneration cycles for reliable drying.

  • Compact Wall-Mount Design: Space-saving layout with mounting brackets included.

  • Optional Upgrades:

    • C1D1-compatible for hazardous environments (MM variant).

    • Heater pads for cold-temperature operation.

  • Low Maintenance Cost: Under $100 per year average.

Performance Specifications

  • Air Capacity: 25 CFM (7.5 HP system)

  • Power Requirement: 120 V

  • Operating Pressure: Up to 175 PSI

  • Inlet / Outlet Ports: ½″ NPT In / 1″ NPT Out

  • Max Inlet Temperature: 150 °F

  • Cycle Time: 2 minutes

  • Dimensions: 27″ H × 21″ W × 12″ D

  • Mounting: Wall brackets included

Replacement & Service Parts

Why Buy from Compressed Air Advisors Online

At Compressed Air Advisors Online, we make it easy to get the right Tsunami dryer for your application.
With free freight, factory-trained expertise, and nationwide support, we’re your trusted partner for complete compressed air solutions.