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MS9-SV-...-C

Soft start/quick exhaust valve

Festo SE & Co. KG

Ruiter Straße 82

73734 Esslingen

Deutschland

+49 711 347-0

www.festo.com

Operating instructions

8164018

2022-06a

[8164020]

Translation of the original instructions

© 2022 all rights reserved to Festo SE & Co. KG

1

About this document

This document describes the use of the soft start/quick exhaust valve.

The document contains additional information for use of the product in safety-

related systems (safety handbook in accordance with IEC 61508).

1.1Target group

The document is targeted towards individuals who mount and operate the

product. It is additionally targeted towards individuals who are entrusted with

the planning and application of the product in a safety-oriented system.

1.2Applicable documents

–

Assembly instructions for cover MS6/9-SV-C-MK/MH as tamper protection

All available documents for the product

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www.festo.com/sp.

1.3

Specified standards

Version

EN 60204-1:2016-10EN ISO 13849-2:2012-10

EN ISO 4414:2010-11EN ISO 14118:2018-02

EN ISO 13849-1:2015-12

Tab. 1:

Standards specified in the document

2Safety

2.1

Safety instructions

–

Only use the product in its original condition without unauthorised modifica-

tions.

–

Only use the product if it is in perfect technical condition.

–Observe the identifications on the product.

–

Take into account the ambient conditions at the location of use.

–Before working on the product, switch off the power supply and secure it

against being switched on again.

–Observe the tightening torques. Unless otherwise specified, the tolerance is

± 20%.

–

Only use compressed air as an operating medium in accordance with the speci-

fication

è

12 Technical data.

2.2Intended use

The product is intended for mounting in machines or automation systems and is

only to be used as follows:

–in an industrial environment

–

in its original condition, without unauthorised modifications

–in safety-related systems only with cover MS9-SV-MK as tamper protection

–

in perfect technical condition

2.3

Foreseeable misuse

Foreseeable misuse includes:

–outdoor operation

–

Bypassing of safety functions

–use in reversible operation with reversal of supply air and exhaust air

–

use in "Low Demand Mode" according to EN 61511

–vacuum operation

2.4Training of qualified personnel

Work on the product may only be carried out by qualified personnel who can

evaluate the work and detect dangers. The qualified personnel have skills and

experience in dealing with electropneumatic (open-loop) control technology.

3Additional information

–Contact the regional Festo contact if you have technical problems

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www.festo.com.

–Accessories

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www.festo.com/catalogue.

DesignationType

SilencerU-1-B

Cover, covers the manual overrideMS9-SV-MH

Cover, covers the adjustment elements for the pressure switching point, the

main flow control and the manual override

MS9-SV-MK

Tab. 2:Accessories

4Product overview

4.1

Structure

4.1.1Product design

1

2

3

4

5

6

7

8

9

Fig. 1:Operating elements and

connections

1

Pilot solenoid valve

2

Manual override at the soft-start/quick

exhaust valve

3

Pneumatic port 1 (compressed air

inlet)

4

Pneumatic port 3 (exhaust)

5

Silencer

6

Manual override at the pilot solenoid

valve

7

Flow control screw for setting the

filling time

8

Adjusting screw for setting the pres-

sure switch point

9

Pneumatic port 2 (compressed air

outlet port)

4.1.2Product variants

The following table lists selected product characteristics and codes that are

necessary for understanding the instruction manual. Complete type code

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www.festo.com/catalogue.

Key featuresCodeDescription

SeriesMSStandard service unit

Size9Grid dimension 90 mm

Function-SVSoft-start/quick exhaust valve

Port size-3/4Thread G 3/4

-1Thread G 1

-AGDSub-base G 1/2

-AGESub-base G 3/4

-AGFSub-base G 1

-AGGSub-base G 1 1/4

-AGHSub-base G 1 1/2

-N3/4Thread N 3/4

-N1Thread N 1

-AQRSub-base NPT 1/2

-AQSSub-base NPT 3/4

-AQTSub-base NPT 1

-AQUSub-base NPT 1 1/4

-AQVSub-base NPT 1 1/2

-GModule without connection thread, without sub-base

-NGModule without connection thread, without sub-base (port 3 in

NPT)

Performance Level-Cin accordance with EN ISO 13849-1

Supply voltage-V2424 V DC (plug pattern in accordance with EN 175301-803, type C)

-10V24P24 V DC (M12 in accordance with IEC 61076-2-101)

-V110110 V AC (plug pattern in accordance with EN 175301-803,

type C)

-V230230 V AC (plug pattern in accordance with EN 175301-803,

type C)

Options-SSilencer

Tamper protection-MHCover - manual override (HHB) only

-MKCover – pressure switching point (DUP) and main flow control

valve (HD) adjusting screws, manual override (HHB)

Tab. 3:

Product variants (selection)

4.2Function

The MS9-SV-...-C electro-pneumatic pressure soft-start/quick exhaust valve is

intended for rapid pressure reduction and pressurisation in pneumatic line sys-

tems and terminal equipment in industry.

Product specificaties