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MA-RV 5M

Adsorbers of the MA-RV series have an aluminum housing with a valve section, making them perfectly suited for aerating aggressive substances and for use in harsh environments. The adsorber optimally protects your systems from water ingress. It is used on hydraulic systems, gearboxes and storage tanks worldwide. MA-RV series adsorbers can be used in zone II 2 G / D IIC T4 according to ATEX product directive 2014/34/EU.

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Product Description

Adsorbers of the MA-RV series have an aluminum housing with a valve section, making them perfectly suited for aerating aggressive substances and for use in harsh environments. The adsorber optimally protects your systems from water ingress. It is used on hydraulic systems, gearboxes and storage tanks worldwide. MA-RV series adsorbers can be used in zone II 2 G / D IIC T4 according to ATEX product directive 2014/34/EU.

They are available with both FKM and EPDM seals, making them suitable for aeration of SKYDROL, DOT4 brake fluids and other hydraulic fluids. In addition to effective air drying, particle separation to 3µm is achieved.

The saturation of the desiccant is indicated via the viewing window. If the color of the silica gel changes completely from orange to green, the desiccant must be replaced. Silica gel as well as all wear components of the adsorber are also available from us. This allows you to maintain your refillable adsorber easily and cost-effectively.

Volume hydraulic power packs

800-1800 ltr.

Volume gears

1200-2400 ltr.

Application opjective

Drying incoming air

Use according to ATEX 2014 / NEC50

Yes

Operating environment

Indoor / below deck, Outdoor / on land

Substance in container

Class 1: Hydraulic oil, gear oil, biological oil, vegetable oil, transformer oil, Class 2: Gasoline, kerosene, acetic acid, polyethylene glycol, isopropyl alcohol, Class 3: Brake fluid, SKYDROL, HyJet IV & V, acetone, butyl acetate, ethanol

Installation

Standing (Standard)

Handling

Rechargeable

Housing

Aluminium

Sealing

FKM, EPDM

Valves

Yes (IN-OUT)

Connections

G1"m

Downloads

Product flyer
Atex Declaration
NEC505 Conformity
Customs information
EAC Template
Manual
REACH Compliant
IP Protection Class IP66
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

7Valves:
Protection against unnecessary loading ensures long periods of use

Method of operation

Adsorption – drying of the supply air

  • The level in the system decreases
  • Humid air is sucked in
  • Valves open at approx. 5 mbar
  • 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 opens the valves in the lower part of the adsorber already at approx. 5 mbar. After flowing into the adsorber, the air is distributed evenly over the cross-section. The pre-filter disk 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.

In the case of outgoing air, the two-stage sloshing 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-RV series are made of aluminum, silica gel orange, FKM or EPDM seals and can be used for aeration of all common hydraulic and gear oils and 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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