Drier Filter for Excavator and HVAC Systems Moisture Protection That Matters
Our high-efficiency drier filters are designed to remove moisture, acid, and solid contaminants from refrigeration, hydraulic, and air conditioning circuits. Ideal for excavators, compressors, and HVAC systems, these filters ensure system reliability, prevent corrosion, and extend the lifespan of key components under harsh operating conditions.
| Type | Drier Filter |
|---|---|
| Filtration Efficiency | More Than 99.9 % |
| Material | Paper, Iron, Fiber Glass, Stainless Steel |
| MOQ | 12 Pieces |
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Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
The drier filter, also known as a receiver-drier or moisture separator, plays a critical role in closed-loop systems by capturing water vapor, acid residues, and debris before they damage valves, compressors, or cylinders. In excavator air conditioning systems, the drier filter maintains refrigerant purity and ensures cooling performance even in high-temperature, high-humidity job sites.
Key Features & Benefits
- High Moisture Absorption: Utilizes high-grade desiccants (e.g., molecular sieve) to trap water molecules before they can cause corrosion or freeze blockages.
- Acid Neutralization: Absorbs harmful acids formed during refrigerant breakdown or contamination, protecting system internals.
- Particle Filtration: Integrated mesh layers capture rust, metal shavings, and debris down to 20 microns.
- Durable Shell: Seamless steel or aluminum casing with anti-corrosion coating, built to withstand vibration and pressure.
- OEM Compatibility: Available in multiple sizes, port configurations, and bracket options for quick replacement across popular brands.
Working Principle
As refrigerant or compressed fluid flows into the drier filter, it passes through desiccant media which absorbs moisture. Simultaneously, the integrated mesh or fiber layers filter out solid contaminants. Clean, dry refrigerant or fluid exits the outlet, ensuring optimal performance of the connected system—whether it's a cooling unit or a hydraulic loop.
Construction & Materials
| Component | Description |
|---|---|
| Shell | Steel or aluminum, corrosion-resistant coating |
| Desiccant Media | High-porosity molecular sieve or activated alumina |
| Filter Core | Non-woven fiber or sintered metal |
| End Caps | Epoxy-sealed steel or plastic (depending on type) |
| Inlet/Outlet | Standard or customized threaded connectors |
Optional: sight glass, pressure switch port, or mounting brackets.
Technical Specifications
| Parameter | Value |
|---|---|
| Working Pressure | Up to 3.5 MPa / 35 bar |
| Operating Temperature | -30°C to +80°C |
| Desiccant Capacity | ≥ 20% of internal volume (varies by size) |
| Filtration Accuracy | ≥ 95% of particles ≥ 20 microns |
| Connection Types | Male/Female Thread, Flare, O-ring Seal |
Application Scenarios
- Excavator air conditioning systems
- Refrigeration units (HVAC, cold chain)
- Compressor units and receiver tanks
- Hydraulic systems with moisture-sensitive components
- Truck or heavy equipment climate control systems
OEM Fitment & Compatibility
Our drier filters are available as direct-fit replacements for brands such as:
- Caterpillar, Hitachi, Komatsu, Sanden, Doosan, Sullair, Carrier, Thermo King
Please provide OEM number or equipment model for accurate matching.
| Part Numbers | ||||
|---|---|---|---|---|
| 4324102227 | 4324102412 | 4324102442 | 7422991713 | A0004300969 |
Maintenance & Replacement Tips
- Replace the drier filter every 12–18 months, or when the system is opened or recharged.
- A saturated drier will reduce cooling performance and increase the risk of corrosion or compressor failure.
- Check for external signs of wear, rust, or moisture leakage regularly.
- Always evacuate and recharge the system properly after replacement to avoid trapping air or moisture.
Packaging & Shipping
Each unit is individually sealed in moisture-proof packaging, labeled with part number, production batch, and manufacturing date. Bulk shipments are securely palletized with foam or cardboard dividers to prevent damage during transport.
Purchasing Guide
- Verify the thread size, flow direction, and overall dimensions before ordering.
- If used in an excavator or mobile HVAC unit, confirm mounting bracket style and port configuration.
- For OEM replacement, send us the original part number or equipment model for fast matching.
SHIPPING & DELIVERY
At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.
All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.
Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.
We offer flexible global shipping options, including:
- International sea freight for cost-effective bulk transport
- Air freight for urgent orders
- Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments
Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.
Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.
FAQ
Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.
Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.
Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.
Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.
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Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
