Progruebers MS Food En

Compressed air quality

ensures good quality food!

The quick and clean way

for safe food production:

Service unit combinations

ex stock, consisting of

MS-series modules

Systematically modular: MS series

Systematically more modular

the MS-series

Consistent modularity and a

winning design put the MS-series

in a class of its own. Combined

with a wealth of functionalities

and air qualities, the only thing

for you to define is the desired

compressed air quality.

However, Festo offers far more

than just quality components.

Festo means all-round support

with Industrial Services.

For example, for all those users

who cannot find a suitable

combination here because their

requirements are too specific:

the configurator in our electronic

catalogue:

http://www.festo.com/catalogue

Different systems require

different compressed air

qualities and flow rates.

Special functions and a design-

optimised environment are the

ideal application area for the

MS-series. Flow values of 700

to 5100 l/min meet virtually

any challenge.

MS or D-series:

This depends on the task in hand!

Mo

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Sturdy design;

standardisation

New:

MS-series

D-series

Dirt and rust particles:

Solid particles occur in the form

of dust (carbon, rust particles )

and are present at build-up

points. Coastal areas are

generally less dusty, but instead

are subject to salt particles from

evaporated sea water droplets.

Dust is divided into the following

categories:

Coarse dust (> 10 m),

fine dust (1 10 m)

and superfine dust (< 1 m).

Oil contamination:

Even if oil-free compressors are

used, oil particles are drawn in

from the ambient air. Since this

oil is generally not specifically

intended for the lubrication of

pneumatic components, there

is a risk of damage to delicate

components and in a worst case

scenario the contamination of

food.

Air humidity and condensation:

The maximum water absorption

capacity of air greatly depends

on temperature, irrespective of

pressure. The volume of air

absorbed is specified in g per m3.

With increasing temperature,

the quantity of water absorbed

increases. Conversely, large

quantities of water are released

if the temperature cools down.

This leads to corrosion and

damage in the compressed air

system and on the components

connected. The use of compres-

sed air dryers eliminates such

problems from the outset. In

addition to this, the use of a

compressed air dryer is recom-

mended for the processing of

dried food.

Air is not always as clean as it

appears to be! Particularly when

used in the food and packaging

industry, a further important

point needs to be considered

since, as part of an HACCP audit,

compressed air also comes under

the scrutinity of the certificating

authority!

Why the need for compressed air preparation?

The following applications have

particularly high requirements

regarding compressed air in the

food and packaging industry:

Non dried foods

Compressed air comes into

direct contact with non dried

foods (e.g. drinks, meat,

vegetables etc.)

Compressed air is used for

transporting, mixing or for the

production of food in general

and is therefore in direct contact

with food.

Compressed air quality is

generally categorised into the

following quality classes in

accordance with DIN ISO 8573-1:

1. Quality class of solid

contamination

2. Quality class for water content

3. Quality class for overall

oil content

Packaging machines

Compressed air comes into

direct contact with packaging

materials which are subsequently

filled with food. The packaging

material therefore becomes part

of the food zone.

For both instances the following

classification applies for

compressed air quality in

accordance with DIN ISO 8573-1:

Dust: Class 1

Water: Class 4

Oil: Class 1

Compressed air qualities to DIN ISO 8573-1:

Class Residual dust Residual water Residual oil

m mg/m3 DTP g/m3 mg/m3

1 0.1 0.1 70 0.003 0.01

2 1 1 40 0.12 0.1

3 5 5 20 0.88 1

4 15 8 + 3 6.0 5

5 40 10 + 7 7.8 25

6 + 10 9.4

7 not not

specified specified

This recommendation applies to all air compressors, regardless of com-

pression method or mechanical design.

A simple rule of thumb applies

for the definition of compressed

air quality in the food and packa-

ging industry:

The compressed air must

be so clean as to damage neither

the product or in the worst case

scenario, the consumer.

Compressed air qualities in the food

and packaging industry

If compressed air quality 1.2.1

is required, we recommend the

use of compressed air quality

1.4.1 generated with the aid of

one of the combinations of

devices described here, using

the Festo adsorption dryer

type LDF for drying. The dryer

should be interconnected down-

stream of the filter regulator LFR

or branching module FRM and

upstream of the microfilters.

A typical service unit combi-

nation for the processing of

non dried foodstuffs:

LFR: Filter regulating valve

5 m grade of filtration

FRM: Branching module

Branching option for standard

compressed air

LFM: Microfilter (fine filter)


LFM: Microfilter (finest filter)

0.01 m grade of filtration

Classification in accordance

with ISO 8573-1:

Dust: Class 1

Water: Class 4

Oil: Class 1

Examples of predefined service units ex stock

Maximum possible safety

Compliance with the compressed

air qualities listed here is

imperative in order to ensure

the maximum possible safety of

food and to protect the health of

the consumer true to the motto

of food producers: Protecting

the brand!

Dried foods

Compressed air comes into direct

contact with dried foods

Compressed air is used for the

transporting, mixing or for the

production of food in general

and therefore comes into direct

contact with foodstuffs. However,

in this case even more stringent

requirements apply since air

humidity plays a major role!

For such applications the

following classifications in

accordance with DIN ISO 8573-1

should be considered:

Dust: Class 1

Water: Class 2

Oil: Class 1

LFR FRM LFM LFM

Compressed air quality: 1.4.1 Smallest combination

for decentralised compressed air preparation

Connection size: G 1/4

Mounting type: Wall mounting WP

Position 1: LFR: Filter regulator valve

Pressure range of 0.5 to 12 bar


Position 2: LFM-B: Microfilter


Position 3: LFM-A: Microfilter


Flow rate: qnN ~ 100 l/min [p = 70 mbar]

qmax = 360 l/min

Part No.: 531029

Order code: MSB4-1/4:J4:I1:I3-WP

Assortment of service units combinations

for the food industry: MS4

MS4A typical service unit combi-

nation for the processing of

dried foodstuffs:

LFR: Filter regulating valve



Branching option for standard

compressed air

LFM: Microfilter (fine filter)


LDF: Adsorption dryer

(with integrated microfilter

0.01 m at input and microfilter

1 m at output)

LFM: Microfilter (finest filter)



Branching option: compressed

air for applications with

demanded compressed air

quality 1.2.1

LFX: Active carbon filter

Odourless

Classification in accordance

with ISO 8573-1:

Dust: Class 1

Water: Class 2

Oil: Class 1

LFR FRM LFM

LFM

LDF

FRM LFX

MS4Compressed air quality: 1.4.1 Branching option

for standard compressed air and electrical on/off valve



Position 1: EE: Electrical on/off valve, 24 V DC

Position 2: LFR: Filter regulating valve

Pressure range 0.5 to 12 bar


Position 3: FRM: Branching module






qmax = 360 l/min

Flow rate downstream of branching module:

qnN ~ 1100 l/min [p = 1 bar]

Part No.: 531029

Order code: MSB4-1/4:D1:J4:F1:I1:I3-WP

Compressed air quality: 1.4.1 Branching option

for standard compressed air and manual on/off valve



Position 1: EM: Manual on/off valve










qmax = 360 l/min


qnN ~ 1100 l/min [p = 1 bar]

Part No.: 531029

Order code: MSB4-1/4:C1:J4:F1:I1:I3-WP

MS4

MS4Compressed air quality: 1.4.1 Odourless

with manual on/off valve











Position 5: LFX: Active carbon filter


qmax = 360 l/min

Part No.: 531029

Order code: MSB4-1/4:C1:J4:I1:I3:L1-WP













qmax = 360 l/min

Part No.: 531029

Order code: MSB4-1/4:J4:I1:I3:L1-WP

Assortment of service units combinations

for the food industry: MS6

MS6Compressed air quality: 1.4.1 Smallest combination

for decentralised compressed air preparation











qmax = 900 l/min

Part No.: 531030

Order code: MSB6-3/8:J4:I1:I3-WP


with electrical on/off valve



Position 1: EE: Electrical on/off valve, 24 V DC






Platz 4: LFM-A: Microfilter


Platz 5: LFX: Active carbon filter


qmax = 360 l/min

Part No.: 531029

Order code: MSB4-1/4:D1:J4:I1:I3:L1-WP













qmax = 900 l/min

Part No.: 531030

Order code: MSB6-3/8:J4:I1:I3:L1-WP

MS6Compressed air quality: 1.4.1 With membrane dryer










Position 4: LDM: Membrane dryer, cartridge 3


qmax = 900 l/min

Part No: 531030

Order code: MSB6-3/8:J4:I1:I3:G1-WP


with manual on/off valve













qmax = 900 l/min

Part No.: 531030

Order code: MSB6-3/8:C1:J4:I1:I3:L1-WP


with membrane dryer










Position 4: LDM: Membrane dryer, cartridge 3



qmax = 900 l/min

Part No.: 531030

Order code: MSB6-3/8:J4:I1:I3:G1:L1-WP

MS6Compressed air quality: 1.4.1 Branching option

for standard compressed air and manual on/off valve













qmax = 900 l/min


qnN ~ 3300 l/min [p = 1 bar]

Part No.: 531030

Order code: MSB6-3/8:C1:J4:F1:I1:I3-WP


with electrical on/off valve



Position 1: EE: Electrical on/off valve 24 V DC










qmax = 900 l/min

Part No.: 531030

Order code: MSB6-3/8:D1:J4:I1:I3:L1-WP

MS-series: Single components

electrical EE

Electrical on/off valves for use

wherever manual access is difficult.

These permit maximum flexibility

for positioning. Integrated manual

override ensures safety in the event

of an emergency. 3/2-way valve

for exhausting to atmosphere. An

optional silencer is also available.

Actuation with 24 V, 110 V or 230 V.

manual EM

Manual on/off valves for use

wherever problem-free access to

a service unit is possible. With

integrated lockability as standard.

3/2-way valve for exhausting to

atmosphere, with optional silencer.

On-Off valve MS6Compressed air quality: 1.4.1 Branching option

for standard compressed air and electrical on/off valve



Position 1: EE: Electrical on/off valve 24 V DC










qmax = 900 l/min


qnN ~ 3300 l/min [p = 1 bar]

Part No.: 531030

Order code: MSB6-3/8:D1:J4:F1:I1:I3-WP

LFR

Functional integration of filter and

regulator tasks. A combination of

the LR and LF offering the advan-

tages of both of these devices.

It is also space saving since the

units are integrated into one.

Particularly suitable for prefiltration.

Equipped with a manual or

fully automatic condensate drain.

Filter

regulator

LF

5 different grades of filtration: Filter

LF with 40 m or 5 m. Fine filter

LFM with 1 m, micro filter LFM

with 0.01 m and the active carbon

filter LFX for a residual oil content

of 0.003 mg/m3. With manual or

fully automatic condensate drain.

The latching mechanism of the

filter bowl reduces the risk of

accidents.

Filter

LF, LFM, LFX

Branching

module FRM

Tapping of pre-filtered and

regulated compressed air possible

in all four directions. Connection

of pressure sensors (PEV/SDE1) for

precision monitoring of secondary

pressure.

Wall mountings

Wall mountings in various dimen-

sions wide or narrow dimensions

for module by module attachment.

Alternatively, all modules can

be built together and then mounted

as a service unit.

Mountings

MA--RG

Standard pressure gauge housing-

Diameters: 40, 50 and 63 mm.

Especially designed for TPM

measures. Scale with printed on

green segment. Two adjustable

tolerance segments (red).

R/G pressure

gauge

LDM

Less humidity thanks to pressure

dew point reduction by 13 Kelvin.

Maintenance-free, since no wearing

parts.

Membrane

dryer

Festo AG & Co. KG

PO Box

73726 Esslingen

Germany

Internet www.festo.com

Telefon +49 (0) 7 11/347-0

Fax +49 (0) 7 11/347-21 44

E-mail service_international

@festo.com 50

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