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ALUP Authorized German Engineered Air Purification

ALUP Industrial Compressed Air Line Filters

Engineered with next-generation deep-pleated media to safeguard pneumatic equipment, eliminate oil mist, moisture, and particulate contaminants, achieving certified ISO 8573-1:2010 purity with minimal saturated differential pressure (<125 mbar).

Official ALUP Line Filters Technical Leaflet (PDF)

Complete engineering specifications, dimensional blueprints, correction factors, and order codes (5.6 MB)

Download Leaflet (PDF, 5.6 MB)
ALUP Line Filters Family

Superior Equipment Protection with 40% Lower Pressure Drop

  • Ultra-Low Saturated Differential Pressure: Differential pressure <0.125 bar across all coalescing grades.
  • Heavy-Duty Operating Range: Rated up to 120°C (248°F) operating temperature & 20.7 bar (300 psig) pressure.
  • Push-Fit Elements with Color Coding: Effortless maintenance with color-coded end caps for instant grade identification.
  • Corrosion Protected Die-Cast Body: Durable electrophoretic cathodic coating tested for 1000h salt spray (ISO 9227).

Available Filtration Grades for High-Purity Applications

Select the exact grade required for your facility from coarse pre-filtration to ultra-pure food and pharma standards.

Grade P ISO: 4 / 3

Particulate Pre-Filter

Protection against coarse particles and bulk contamination before fine filtration.

Particle Removal: 5 μm
Oil Carryover: 1 mg/m³
Grade G ISO: - / 3

General Coalescing Filter

Coalescing filter for general industrial applications, removes liquid water and oil aerosols.

Particle Removal: 1 μm
Oil Carryover: 0.3 mg/m³
Grade C ISO: - / 2

High Efficiency Oil Coalescing

Ultra-fine coalescing filtration for critical instrumentation, painting, and sensitive machinery.

Particle Removal: 0.01 μm
Oil Carryover: 0.01 mg/m³
Grade V ISO: - / 1

Activated Carbon Vapor Adsorption

Oil vapor and odor removal for food, pharmaceutical, and high-purity air standards.

Particle Removal: -
Oil Carryover: 0.003 mg/m³
Grade S ISO: 3 / -

Particulate Dust Filter

Dry particulate filtration installed downstream of desiccant dryers.

Particle Removal: 1 μm
Oil Carryover: -
Grade D ISO: 1 / -

High Efficiency Dust Filter

Sub-micron particulate filter guaranteeing Class 1 solid particulate purity.

Particle Removal: 0.01 μm
Oil Carryover: -

Technical Specifications & Flow Capacities across All 18 Sizes

All flow rates referenced to 7 bar(g) (100 psig) operating pressure at 20°C ambient.

Filter Connection:
Size Thread Connection Flow (l/min) Flow (m³/h) Flow (cfm) Dims (A×B×C mm) Weight (kg) Elements Inquire
1 G 1/8" 168 10 6 50 × 17 × 157 0.25 kg F (Grade) 1
2 G 1/4" 414 25 15 50 × 17 × 157 0.25 kg F (Grade) 2
3 G 1/4" 702 42 25 70 × 24 × 231 0.6 kg F (Grade) 3
4 G 3/8" 900 54 32 70 × 24 × 231 0.6 kg F (Grade) 4
5 G 1/2" 1,416 85 50 70 × 24 × 231 0.6 kg F (Grade) 5
6 G 1/2" 1,986 119 70 127 × 32 × 285 1.7 kg F (Grade) 6
7 G 3/4" 2,400 144 85 127 × 32 × 285 1.7 kg F (Grade) 7
8 G 1" 2,964 178 105 127 × 32 × 285 1.7 kg F (Grade) 8
9 G 3/4" 3,534 212 125 127 × 32 × 371 2 kg F (Grade) 9
10 G 1" 4,950 297 175 127 × 32 × 371 2 kg F (Grade) 10
11 G 1 1/4" 7,932 476 280 140 × 40 × 475 3 kg F (Grade) 11
12 G 1 1/2" 9,084 545 321 140 × 40 × 475 3 kg F (Grade) 12
13 G 2" 12,750 765 450 170 × 53 × 508 4.9 kg F (Grade) 13
14 G 2" 19,818 1,189 700 170 × 53 × 708 5.5 kg F (Grade) 14
15 G 2 1/2" 24,066 1,444 850 220 × 70 × 736 10.5 kg F (Grade) 15
16 G 3" 25,482 1,529 900 220 × 70 × 736 10.5 kg F (Grade) 16
17 G 3" 35,418 2,125 1250 220 × 70 × 857 11.5 kg F (Grade) 17
18 G 3" 42,498 2,550 1500 220 × 70 × 1005 12.5 kg F (Grade) 18

Centrifugal Water Separators

WS Series

Removes up to 99% of bulk liquid water from compressed air before dryers and fine filters.

Model Thread Flow (m³/h) Weight (kg)
WS 1 G 1/8" 10 0.25
WS 2 G 1/4" 25 0.25
WS 3 G 1/4" 42 0.6
WS 4 G 3/8" 59 0.6
WS 5 G 1/2" 85 0.6
WS 6 G 1/2" 119 1.7
WS 7 G 3/4" 212 1.7
WS 8 G 1" 297 1.7
WS 9 G 1 1/4" 476 3
WS 10 G 1 1/2" 545 3
WS 11 G 2" 1189 4.9
WS 12 G 2 1/2" 1444 8
WS 13 G 3" 2550 8

Operating Pressure Sizing Factors

Correction Multiplier

Calculate required filter size at pressures other than 7 bar: Corrected Flow = Required Flow ÷ Factor.

Pressure (bar) Pressure (psig) Correction Factor
4 bar 58 psig 0.76
5 bar 72 psig 0.84
6 bar 87 psig 0.92
7 bar 100 psig 1.00
8 bar 115 psig 1.07
10 bar 145 psig 1.19
12 bar 174 psig 1.31
14 bar 203 psig 1.41
16 bar 232 psig 1.51
20 bar 290 psig 1.60
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