QD70+ (2901200504) Air Filter

Model : QD70+ (2901200504)

Type : Air Filters

Replacement for : QD70+ (2901200504)

Automotive electrostatic painting workshops, precision electronic assembly, pharmaceutical sterile production, medical dental air supply, food sterile packaging, laboratory analytical instruments, laser cutting & marking equipment.

Part numbers marked "replacement" are not affiliated with the original manufacture.

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Description

Core Technical Specifications

Operating Pressure Range: 0.4 ~ 1.6 MPa

Operating Temperature Range: 2°C ~ +50°C

Composite Media: Outer hydrophobic borosilicate glass fiber coalescing pre-layer + inner high-purity granular activated carbon core. Hydrolysis-resistant, compatible with all Atlas

Clean indoor workshop: 4,000–6,000 working hours or 12 months

Differential pressure ΔP ≥ 0.05 MPa or obvious oily odor detected in downstream air pipelines

Differential Pressure Thresholds

Initial pressure drop of new element: ≤0.013 MPa

Blockage alarm differential pressure: ≥0.05 MPa

Key Product Advantages

High-capacity activated carbon for stable long-term adsorption

Uniform large-pore carbon granules deliver huge vapor storage capacity. Pressure rises slowly throughout the service life without sharp resistance surge under continuous heavy-duty operation.

Double-layer pre-filter structure extends carbon service life

The outer glass fiber layer intercepts residual liquid oil mist and fine dust before air enters carbon core, preventing carbon pore clogging and effectively doubling the adsorption cycle.

Dual O-ring integrated sealing to eliminate air bypass

Fully epoxy-sealed end caps with built-in double O-rings block short-circuit unfiltered airflow, ensuring all compressed air passes through activated carbon for complete vapor removal.

Working Principle

Pre-treated compressed air (processed by DD and PD filters) flows from outside to inside through the glass fiber pre-layer.

Trace residual liquid oil droplets and micro solid dust are captured by the outer coalescing media and drain down to the filter bowl by gravity.

Liquid-free clean air enters the activated carbon core; oil vapor, hydrocarbon gas and odor molecules are physically adsorbed into carbon micropores.

Odorless, ultra-dry Class 1 clean compressed air is delivered to terminal production equipment.

Activated carbon will reach adsorption saturation after long-term use. This filter element cannot be cleaned or regenerated and must be fully replaced once saturated.

Application Scope

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Air Filters