Adsorption Dryer Omega Air A-DRY 60 BM — 60 Nm³/h, Dew Point −40°C, Breathing Air, G 3/4″ | Buy in Moldova | Acvatron

What Is the Omega Air A-DRY 60 BM and How Does It Work

A-DRY 60 BM is a heatless regeneration adsorption dryer manufactured by Omega Air d.o.o. (Ljubljana, Slovenia, founded 1992). The BM (Breathing air Medical) variant is a specialised version for producing breathing air, medical air, and air for critical industrial applications.

A-DRY 60 BM model designation decoded:

Operating principle. The dryer contains two columns packed with molecular sieve desiccant. Wet compressed air enters the first column where the molecular sieve adsorbs water vapour — the dew point drops to −40°C. Simultaneously the second column regenerates: a small portion of already dried air (15–20%) expands to atmospheric pressure, becoming extremely dry, and purges the saturated desiccant, removing moisture from it. After 5 minutes the columns swap roles.

A timer controller manages the switching cycle: 5 min adsorption + 4 min regeneration + 1 min pressure equalisation = 10-minute cycle. With a dew point sensor connected (option) the adsorption phase extends based on actual desiccant saturation, reducing average purge losses to below 3–5%.

BM series differences from standard A-DRY:

• Desiccant — medical-grade 13X molecular sieve (enhanced performance at low moisture concentrations)
• Body and seal construction meets breathing air contact requirements
• Standard configuration includes coalescing pre-filter (0.01 mg/m³ oil) and particulate after-filter (ISO 8573-1 class 1)
• Documentation and certification compatible with EN 12021, ISO 8573-1 class 1-2-1

Technical Specifications

💡 Expert tip: the nominal capacity of 60 Nm³/h is stated for the following conditions: 7 bar, inlet temperature 35°C, outlet pressure dew point −40°C. At deviations from these conditions apply correction factors: at 6 bar pressure — factor 0.93 (actual capacity 55.8 Nm³/h); at inlet temperature 40°C — factor 0.90 (54 Nm³/h). If your compressor delivers air hotter than 35°C — install an aftercooler or refrigeration pre-dryer upstream of the A-DRY 60 BM; otherwise desiccant service life will be reduced 2–3 times.

Cross-Reference by Brand

⚠️ Important: when selecting an alternative for BM-category applications (breathing air), confirm that the alternative is certified for that use. Standard adsorption dryer versions do not always comply with EN 12021 regarding seal materials and desiccant type.

5 mandatory parameters for selecting an adsorption dryer:

1. Corrected capacity. Calculate actual air demand, add 15–20% purge losses, and compare against nominal capacity at your operating conditions.
2. Required dew point. −40°C — standard for most industrial applications. −70°C — for electronics, pharmaceutical, laser optics.
3. System working pressure. A-DRY 60 BM: 4–16 bar.
4. Inlet air temperature. Must not exceed 50°C. If higher — install an aftercooler.
5. Application class. Standard industrial applications → base A-DRY series. Breathing air, medical, fire safety → BM series.

Why Acvatron SRL — 5 Solid Reasons

Authorised Omega Air Partner in Moldova

Acvatron SRL is an authorised partner of Omega Air d.o.o. (Slovenia) in Moldova. Equipment is supplied with original manufacturer documentation: data sheet, CE declaration, operating manual in Russian.

Technical Expertise and Selection

An adsorption dryer requires precise sizing with correction factors, air quality class, and application conditions. Our engineers calculate actual requirements and confirm that A-DRY 60 BM covers your needs.

Documentation for Special Applications

For BM-category applications (breathing air, medical, fire safety) Acvatron provides a complete documentation package for technical authorities: CE, EN 12021, ISO 8573-1, PED 2014/68/EU.

Service Kits and Desiccant Available

Omega Air offers scheduled service kits: 1-year KIT (purge silencers) and 2-year KIT (control valves, check valves). Desiccant cartridges are supplied separately. All available from Acvatron on stock or to order.

Complete Air Treatment Solution Selection

A-DRY 60 BM works together with Omega Air AAF series filters (coalescing, adsorption, activated carbon). We select the complete air treatment system — from compressor to end user.

Applications

Breathing Air and Medical Air

• Filling cylinders for firefighter self-contained breathing apparatus (EN 12021)
• Medical compressed air systems in hospitals and clinics
• Dental units with air purity requirements

Pharmaceutical Manufacturing

• Process air preparation to GMP standard
• Pneumatics in cleanroom environments
• Drying and conveying of pharmaceutical substances

Electronics and Semiconductor Industry

• Air for soldering and SMD component assembly
• Protection of equipment from condensation in variable-temperature zones
• Precision assembly line pneumatics

Laser and Plasma Cutting

• Dry air supply to cutting heads (−40°C dew point prevents condensate on lenses)
• Protection of laser complex optics from moisture

Laboratory and Analytical Equipment

• Supply to chromatographs, mass spectrometers, and gas analysers
• Pneumatic lines of analytical instruments requiring class 1 air purity

Food Industry (Air+ category)

• Direct product contact in packaging and filling lines
• Air for pneumatic conveying of food powders

Expert Opinion

“A-DRY 60 BM is not just a dryer — it is a compressed air quality assurance system for critical applications. The key differentiator of the BM series is not only the dew point; it is the entire quality confirmation cycle: documentation to EN 12021, materials in contact with breathing air, specialist desiccant. When someone comes to me with a breathing air drying requirement and reaches for the standard A-DRY series — that’s an error. The standard series physically achieves the same dew point, but it is not certified for that application. The difference lies in the details: desiccant type, seals, documentation. In critical applications, details determine everything.”

Vitalie Bolucevski, Chief Engineer, Acvatron SRL — 15 years in the industry

Applicable standards:

• ISO 8573-1:2010 — compressed air quality (particulates, moisture, oil)
• EN 12021 — breathing air for self-contained apparatus
• PED 2014/68/EU — pressure equipment (Category I, Module A)
• ISO 7183 — compressed air dryers, test methods
• Omega Air CE Declaration of Conformity

How to Select the Right Adsorption Dryer: 6-Step Guide

1. Determine the required dew point. −40°C — standard for most industrial processes, preventing condensate at −30°C ambient. −70°C — for electronics, laser optics, pharmaceuticals.
2. Calculate actual air demand. Sum consumption of all users + safety factor 1.25. Add 15–20% purge losses: for a demand of 48 Nm³/h a dryer rated minimum 58 Nm³/h is required.
3. Determine working pressure. A-DRY 60 BM: 4–16 bar. If system pressure differs from 7 bar — apply the capacity correction factor.
4. Check inlet air temperature. Must be ≤50°C. If the compressor delivers hot air — install an aftercooler or refrigeration pre-dryer.
5. Determine the application class. Standard industrial applications → base A-DRY series. Breathing air, medical, fire safety → BM series.
6. Plan maintenance. Scheduled replacement: purge silencers — every 12 months, control valves — every 24 months, desiccant — every 3–5 years depending on inlet air quality.

FAQ

❓ What is the difference between the A-DRY BM series and the standard A-DRY series?

Both series use the same operating principle and have similar technical characteristics regarding dew point. The key BM differences: medical-grade desiccant (13X molecular sieve), body and seal materials suitable for breathing air contact, documentation and certification to EN 12021. For standard industrial applications — the base A-DRY series. For breathing air, medical, and fire safety applications — BM only.

❓ How often does the desiccant need replacing in the Omega Air A-DRY 60 BM?

Under correct operation (working pressure ≥4 bar, inlet air temperature ≤50°C, coalescing pre-filter installed) the calculated desiccant service life is 3–5 years. Signs that replacement is required: rising outlet dew point above the acceptable level (if a sensor is connected). Desiccant is replaced in cartridges without pouring loose material and without specialist tools.

❓ Where can I buy the Omega Air A-DRY 60 BM in Moldova?

The adsorption dryer Omega Air A-DRY 60 BM (60 Nm³/h, pressure dew point −40°C, working pressure 4–16 bar, G 3/4″, breathing air version to EN 12021) is available from Acvatron SRL, Chisinau — authorised Omega Air partner in Moldova. CE, ISO 8573-1 and EN 12021 documentation included. Contact us at acvatron.md or WhatsApp.

The Problem You’ve Already Faced

• A refrigeration dryer can’t reach the required dew point. Refrigeration dryers achieve a pressure dew point no lower than +3°C. Processes requiring −40°C or below (laser cutting, pharmaceuticals, breathing air, electronics) need an adsorption dryer.
• Breathing air doesn’t comply with EN 12021. EN 12021 for breathing air used in self-contained breathing apparatus, medical systems, and firefighting equipment requires residual moisture content significantly below ISO 8573-1 class 1. Only the Omega Air BM series is certified for these requirements.
• Condensate destroys pneumatic tools and equipment. Working outdoors in winter or in cold workshops, even a +3°C dew point means condensation — tools freeze, valves seize. A-DRY 60 BM delivers −40°C — condensation is eliminated even at −30°C ambient temperature.
• Unclear how large the actual purge losses are. A-DRY 60 BM operates in timer or sensor-controlled mode; with a dew point sensor (option) average purge losses drop below 10%. Without a sensor — 15–20%.
• Desiccant replacement is lengthy and complicated. Omega Air A-DRY uses desiccant in replaceable cartridges — replacement without pouring loose material, without specialist tools.

A correctly selected adsorption dryer guarantees air quality throughout the service life of your equipment, not only at rated conditions.