Adsorbers
Accessories
Desiccants

MA-R 5M

Adsorbers of the all-aluminum MA-R series are particularly robust aeration dryers which, due to their high resistances, are also used when isocyanates, polyols, DOT4, SKYDROL, solvents or oils are to be protected against the entry of moisture. They are often used on 200l barrels and 1000l IBCs and are available with FKM or EPDM seals. They can also be used in accordance to ATEX product directive 2014/34/EU in zone II 2 G / D IIC T4.

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Product Description

Adsorbers of the all-aluminum MA-R series are particularly robust aeration dryers which, due to their high resistances, are also used when isocyanates, polyols, DOT4, SKYDROL, solvents or oils are to be protected against the entry of moisture. They are often used on 200l barrels and 1000l IBCs and are available with FKM or EPDM seals. They can also be used in accordance to ATEX product directive 2014/34/EU in zone II 2 G / D IIC T4.

Since the MA-R series are refillable adsorbers, the investment pays off after a short time. Desiccant and wear parts can be replaced at low cost. The increasing saturation of the desiccant can be observed through the viewing window by means of a color change from orange to green. If the desiccant is completely colored green, the silica gel must be replaced.

Volume hydraulic power packs

800-1800 ltr.

Volume gears

2400 ltr. & more

Power transformers

10-30 MVA

Application opjective

Drying incoming air

Use according to ATEX 2014 / NEC50

No

Operating environment

Indoor / below deck, Outdoor / on land

Substance in container

Class 1: Hydraulic oil, gear oil, biological oil, vegetable oil, transformer oil

Installation

Standing (Standard)

Handling

Rechargeable

Housing

Aluminium

Sealing

FKM

Valves

Yes (IN-OUT)

Connections

G1"m

Downloads

Product flyer
Atex Declaration
NEC505 Conformity
Customs information
EAC Template
Manual
REACH Compliant
IP Protection Class IP63
RoHS Compliant
Corrosivity Class C4
CE Conformity
Food Conformity Sample
CAD data and more files on request

Structure and added value

1Sustainability:
Refillable version ensures favorable operating costs

2Self-regeneration:
Increase in utilization times through the use of activated carbon

3Filter:
Clean supply air due to integrated 3μm filter

4Desiccant:
Efficient desiccant with harmless color indicator from orange to green

5Sloshing protection:
Prevents oil droplets from entering the desiccant

6Robust housing:
Housing completely made of aluminum. Can be used according to ATEX 2014/34/EU, Zone II 2 G/D IIC T4

Method of operation

Adsorption – drying of the supply air

  • The level in the system decreases
  • Humid air is sucked in
  • Air flows pressureless into adsorber
  • Uniform flow through the adsorber
  • Air is dried to 2%rH
  • Silica gel changes color
  • Air is filtered to 3μm

Dry and clean supply air

Desorption – Separation of oil particles

  • The level in the system increases
  • Dry, oily air is squeezed out
  • Activated carbon absorbs oil mist
  • Dry, oil-free air regenerates the silica gel
  • Silica gel partially recolors

Self-regeneration and oil-free exhaust air

Technical Data

Flowchart

The sucked-in air flows into the adsorber almost without pressure and distributes the air evenly over the cross-section. The pre-filter disc frees the air from coarse dirt particles.

When the desiccant silica gel flows through, the water molecules are reliably removed from the air. The gap volume of the granulate is optimally selected with 2 to 5 mm grains and guarantees a minimum pressure build-up with simultaneous very good drying efficiency. Thus, at the beginning of the drying process, a residual air humidity of max. 2 % rH and a dew point of -40 °C are achieved. Due to the water absorption, the silica gel in the standard changes color from orange to green. A complete green coloration indicates the end of the product life cycle. The 3 µm filter ensures that all dirt particles are separated from the ambient air and the silica gel and that the connected equipment is not contaminated.

When the air flows out, the two-stage slosh protection prevents larger oil droplets from penetrating the desiccant. The activated carbon also adsorbs the finest oil particles, thus enabling the adsorber to regenerate itself.

Adsorbers of the MA-R series consist of aluminum, silica gel orange, an FKM or EPDM seal and can be used for the aeration of all common hydraulic and gear oils, lubricants, fuels as well as isocyanates. In addition, SKYDROL, brake fluids and solvents, for example, can be aerated with this series.

Pressure ratio

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