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Gas Turbine Air intake Filter 3

Turbo Dropl Series: Advanced Moisture Coalescing & Marine Intake Filtration

In coastal and offshore environments, the greatest threat to turbomachinery isn’t just dust—it’s moisture-born salt. The Turbo Dropl Series is a high-performance range of Gas Turbine Pocket Filters (Bag Filters) specifically engineered for extreme droplet retention. Designed to operate as an advanced coalescer, the Turbo Dropl Series captures fog, mist, and salt spray, preventing liquid-phase contaminants from migrating into the high-pressure compressor sections of your gas turbine.

Marine-Grade Defense: The Coalescing Advantage

an offshore turbine doesn’t just breathe air; it breathes a ‘soup’ of salt and water. If you use a standard bag filter, you are just letting that soup soak through. The Turbo Dropl Series is a Coalescer. It uses the air’s own velocity to ‘grow’ the water droplets until they are too heavy to stay in the air. We aren’t just filtering; we are drying the air before it hits the engine.”

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Marine-Grade Defense: The Coalescing Advantage

The Turbo Dropl Series is defined by its ability to manage high-moisture flux across all climates:

Active Coalescing Technology: Our high-quality synthetic media is engineered to “coalesce” fine mist and fog into larger droplets. These droplets then drain away from the air stream, ensuring that salt crystals and moisture never reach the downstream sensitive filters.

Salt & Snow Barrier: Whether facing the high-humidity “Shamal” winds of the Arabian Gulf or sub-zero sea spray, the Turbo Dropl Series provides a robust barrier against airborne salt, preventing the “hot corrosion” that destroys turbine buckets and vanes.

Fouling & Erosion Prevention: By removing dirt and fine particles at the intake stage, our pocket filters prevent the “sand-blasting” effect on compressor blades, maintaining stable airflow and optimal thermal efficiency.

Synthetic Durability: Constructed from 100% moisture-resistant synthetic fibers, the Turbo Dropl Series will not “collapse” or lose its structural integrity when saturated, a common failure point in standard commercial bag filters.

Technical Specifications: Turbo Dropl Series

FeatureTurbo Dropl Series (Coalescing Pocket Filter)
Media TypeHigh-Quality Synthetic (Multi-Layer Matrix)
Primary FunctionMoisture Coalescing & Droplet Retention
Efficiency ClassISO 16890 ePM10 to ePM1 (G4 to F9)
Burst StrengthReinforced Pocket Design (>3000 Pa)
Salt RetentionHigh Efficiency for Dry & Liquid Salt Phase
Climate RangeOffshore, Coastal, Tropical, and Arctic
  • High Efficiency arctic and desert environments
  • Wet and mist condition special filter media
  • Prevent downstream migration water droplet and salt
  • Fine particle capture
  • Plastic configuration frame
  • Applicable most challenging environment
  • Reliable and extended service life
  • High cooling passages efficiency
  • Prevent blades erosion, corrosion and fouling
  • Aerodynamic wedge shape ultrasonic sealing
  • High burst strength
  • Filter media: Synthetic fine media
  • Filter class: ISO 16890 coarse 65%,85%
  • Micron rating: >10
  • Particulate matter: ePM10
  • Bag length: 330 mm, 620mm
  • Frame: Plastic
  • Recommended final pressure drop:250pa
  • Temperature: <70 0 C
  • Air flow:3400 m 2/ h
  • Maximum operating final pressure drop: >6000Pa

Application

  • 3 stage Static air inlet for GT
  • 2 stage Maine and Offshore for GT
  • Compressor and diesel generator

FAQ: Turbo Dropl Series for Offshore & Coastal GTs

1. How does a “Coalescing” filter work differently than a standard bag filter?

A standard filter just traps dust. A Coalescing Turbo Dropl filter is designed to catch tiny water droplets (fog/mist) and merge them into larger drops. Because the media is hydrophobic, these drops then run down the pockets and drain out of the filter house, preventing salt from being “pushed” through the filter in liquid form.

2. Why is salt retention so critical for Gas Turbines?

Salt is the primary cause of Sulfidation (Hot Corrosion). If salt reaches the combustion chamber, it reacts with the fuel to eat away the protective coatings on the turbine blades. The Turbo Dropl Series is your “insurance policy” against this multi-million dollar repair.

3. Can the Turbo Dropl handle heavy sand and desert dust?

Yes. While its specialty is moisture, the Turbo Dropl Series has a high dust-holding capacity (DHC). It is often used as a high-performance pre-filter in desert coastal areas (like Mesaieed or Ras Laffan) where both sand and high humidity are present simultaneously.

4. Will these filters sag or restrict airflow when they get wet?

No. We use High-Strength Synthetic Media and aerodynamic pocket spacers. Unlike glass-fiber bags that can “slump” when saturated, the Turbo Dropl maintains its open-pocket shape, ensuring a stable pressure drop (ΔP) even during heavy fog or rain.

5. Is this compatible with my existing Filter House?

Absolutely. The Turbo Dropl Series comes in standard header sizes (e.g., 24×24 inches) and varying pocket lengths (12″, 20″, or 30″). It is a direct “drop-in” replacement for all major GT intake systems.

Comparative Performance: Turbo Dropl Coalescer vs. Standard Synthetic Bag Filters

Performance MetricK Filter Turbo Dropl SeriesStandard Synthetic Bag FilterThe K Filter Advantage
Primary MechanismActive Coalescing & Phase SeparationSimple Mechanical SievingMoisture Control: Converts fog/mist into drainable droplets; stops salt-water bypass.
Wet StrengthHigh-Tenacity Reinforced RibbingStandard Non-Reinforced PocketsStructural Integrity: Pockets stay open and aerodynamic even when 100% saturated.
Media TreatmentHydrophobic & Oleophobic CoatingUntreated or Generic SyntheticSalt-Wicking Defense: Prevents salt-laden water from “soaking through” to the turbine.
Pressure Drop (ΔP)Stable & Linear in High HumidityRapid Spikes During Fog/RainOperational Stability: Prevents “High ΔP” alarms and emergency turbine trips.
Salt Phase CaptureDry & Liquid (Brine) PhaseDry Phase OnlyMetallurgical Safety: Stops “Liquid Salt” which is the #1 cause of blade sulfidation.
Drainage CapacityIntegrated Vertical Drainage PathMoisture “Puddling” in PocketsReduced “Mudding”: Rapidly sheds water to prevent dust from turning into a sticky paste.
AvailabilityLocal Qatar Production (2-3 Weeks)International Import (12-16 Weeks)Response Speed: Rapid deployment for seasonal humidity spikes or offshore emergencies.
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