SCHUNK SDV-P User instructions

Translation of the original manual

Assembly and Operating Manual

SDV-P / SDV-P-E / SDV-P-E-P

Pressure maintenance valve

Imprint

06.00 | SDV-P / SDV-P-E / SDV-P-E-P | Assembly and Operating Manual | en | 389561

Imprint

This manual is protected by copyright. The author is SCHUNK GmbH & Co. KG. All rights

reserved. Any reproduction, processing, distribution (making available to third parties),

translation or other usage - even excerpts - of the manual is especially prohibited and

requires our written approval.

Technical changes:

We reserve the right to make alterations for the purpose of technical improvement.

Document number: 389561

Version: 06.00|02/04/2019|en

Dear Customer,

thank you for trusting our products and our family-owned company, the leading

technology supplier of robots and production machines.

Our team is always available to answer any questions on this product and other solutions.

Ask us questions and challenge us. We will find a solution!

Best regards,

Your SCHUNK team

SCHUNK GmbH & Co. KG

Spann- und Greiftechnik

Bahnhofstr. 106 – 134

D-74348 Lauffen/Neckar

Tel. +49-7133-103-0

Fax +49-7133-103-2399

[email protected]

schunk.com

Table of contents

06.00 | SDV-P / SDV-P-E / SDV-P-E-P | Assembly and Operating Manual | en | 389561

Table of contents

1 General.................................................................................................................... 4

1.1 About this manual ................................................................................................ 4

1.1.1 Presentation of Warning Labels ...............................................................4

1.1.2 Applicable documents ..............................................................................4

1.1.3 Variants.....................................................................................................5

1.2 Warranty .............................................................................................................. 5

1.3 Scope of delivery .................................................................................................. 5

2 Basic safety notes ................................................................................................... 6

2.1 Intended use......................................................................................................... 6

2.2 Ambient conditions and operating conditions .....................................................6

2.3 Product safety ...................................................................................................... 7

2.3.1 Protective equipment...............................................................................7

2.3.2 Constructional changes ............................................................................7

2.4 Personnel qualification......................................................................................... 7

2.5 Notes on particular risks....................................................................................... 8

3 Technical data.......................................................................................................... 9

4 Description .............................................................................................................10

5 Assembly ................................................................................................................11

5.1 Mechanical connection ...................................................................................... 11

5.2 Air connection .................................................................................................... 13

6 Operation ...............................................................................................................16

6.1 Manual air vent (SDV-P-E, SDV-P-E-P) ................................................................ 16

7 Troubleshooting .....................................................................................................17

8 Maintenance and care ............................................................................................18

General

06.00 | SDV-P / SDV-P-E / SDV-P-E-P | Assembly and Operating Manual | en | 389561

1 General

1.1 About this manual

This manual contains important information for a safe and

appropriate use of the product.

This manual is an integral part of the product and must be kept

accessible for the personnel at all times.

Before starting work, the personnel must have read and

understood this operating manual. Prerequisite for safe working is

the observance of all safety instructions in this manual.

Illustrations in this manual are provided for basic understanding

and may differ from the actual product design.

In addition to these instructions, the documents listed under

Applicable documents [}4] are applicable.

1.1.1 Presentation of Warning Labels

To make risks clear, the following signal words and symbols are

used for safety notes.

DANGER

Danger for persons!

Non-observance will inevitably cause irreversible injury or death.

WARNING

Dangers for persons!

Non-observance can lead to irreversible injury and even death.

CAUTION

Dangers for persons!

Non-observance can cause minor injuries.

NOTICE

Material damage!

Information about avoiding material damage.

1.1.2 Applicable documents

• General terms of business*

• Catalog data sheet of the purchased product *

The documents marked with an asterisk (*) can be downloaded on

our homepage schunk.com

General

06.00 | SDV-P / SDV-P-E / SDV-P-E-P | Assembly and Operating Manual | en | 389561

1.1.3 Variants

This operating manual applies to the following variations:

• Pressure maintenance valve SDV-P

• Pressure maintenance valve SDV-P-E

• Pressure maintenance valve SDV-P-E-P

1.2 Warranty

If the product is used as intended, the warranty is valid for 24

months from the ex-works delivery date under the following

conditions:

• Observe the applicable documents, Applicable documents [}4]

• Observe the ambient conditions and operating conditions,

Ambient conditions and operating conditions [}6]

1.3 Scope of delivery

The scope of delivery includes

• Pressure maintenance valve SDV-P / SDV-P-E / SDV-P-E-P in the

version ordered

Basic safety notes

06.00 | SDV-P / SDV-P-E / SDV-P-E-P | Assembly and Operating Manual | en | 389561

2 Basic safety notes

2.1 Intended use

The pressure maintenance valve was designed for installation in a

machine to temporarily prevent the venting of the pneumatic

consumer through the valve at a pressure failure of the supply

line. Thus, a temporary force- or position maintenance can be

realized at different actuators. Especially suited fo grippers, which

can not be equipped with a mechanical gripping force

maintenance.

The product is intended for installation in a machine/system. The

requirements of the applicable guidelines must be observed and

complied with.

The product may be used only in the context of its defined

application parameters Technical data [}9].

The product is designed for industrial use.

To use this unit as intended, it is also essential to observe the

technical data and installation and operation notes in this manual

and to comply with the maintenance intervals.

2.2 Ambient conditions and operating conditions

Required ambient conditions and operating conditions

Incorrect ambient and operating conditions can make the product

unsafe, leading to the risk of serious injuries, considerable material

damage and/or a significant reduction to the product's life span.

• Make sure that the product is used only in the context of its

defined application parameters, Technical data [}9].

• Make sure that the product is a sufficient size for the

application.

• Make sure that the environment is free from splash water and

vapors as well as from abrasion or processing dust. Exceptions

are products that are designed especially for contaminated

environments.

Basic safety notes

06.00 | SDV-P / SDV-P-E / SDV-P-E-P | Assembly and Operating Manual | en | 389561

2.3 Product safety

Dangers arise from the product, if:

• the product is not used in accordance with its intended

purpose.

• the product is not installed or maintained properly.

• the safety and installation notes are not observed.

Avoid any manner of working that may interfere with the function

and operational safety of the product.

Wear protective equipment.

NOTE

More information is contained in the relevant chapters.

2.3.1 Protective equipment

Provide protective equipment per EC Machinery Directive.

2.3.2 Constructional changes

Implementation of structural changes

By conversions, changes, and reworking, e.g. additional threads,

holes, or safety devices can impair the functioning or safety of the

product or damage it.

• Structural changes should only be made with the written

approval of SCHUNK.

2.4 Personnel qualification

Inadequate qualifications of the personnel

If the personnel working with the product is not sufficiently

qualified, the result may be serious injuries and significant

property damage.

• All work may only be performed by qualified personnel.

• Before working with the product, the personnel must have read

and understood the complete assembly and operating manual.

• Observe the national safety regulations and rules and general

safety instructions.

Basic safety notes

06.00 | SDV-P / SDV-P-E / SDV-P-E-P | Assembly and Operating Manual | en | 389561

The following personal qualifications are necessary for the various

activities related to the product:

Trained electrician Due to their technical training, knowledge and experience, trained

electricians are able to work on electrical systems, recognize and

avoid possible dangers and know the relevant standards and

regulations.

Qualified personnel Due to its technical training, knowledge and experience, qualified

personnel is able to perform the delegated tasks, recognize and

avoid possible dangers and knows the relevant standards and

regulations.

Instructed person Instructed persons were instructed by the operator about the

delegated tasks and possible dangers due to improper behaviour.

Service personnel of

the manufacturer

Due to its technical training, knowledge and experience, service

personnel of the manufacturer is able to perform the delegated

tasks and to recognize and avoid possible dangers.

2.5 Notes on particular risks

The general rule is:

• The pressure maintenance valve temporarily prevents the

venting of the pneumatic module if there is a loss of air

pressure in the supply line. For this reason it is always assumed

that residual energy is stored in the system.

• Therefore the product must be ventilated before carrying out

any assembly, conversion, maintenance or adjustment work.

Here, it must be checked which module and which function is

triggered by this -> It is necessary to ensure that no person can

be harmed.

• For all work, secure the product against accidental operation.

• Any hazards that arise for downstream consumers must be

identified separately and protected against by the operator

• Only qualified personnel may disassemble the product.

• Perform maintenance, modifications, and additions outside the

danger zone.

Technical data

06.00 | SDV-P / SDV-P-E / SDV-P-E-P | Assembly and Operating Manual | en | 389561

3 Technical data

Size

SDV-P

04 04-E 07 07-E 10-E

Ambient temperature [°C]

Min.

Max.

-10

Weight [kg] 0.1 0.1 0.2 0.2 0.4

Flow rate for hose Ø 6mm [l/

min]

200 200 350 350 400

Flow rate for hose Ø 8mm [l/

min]

250 250 500 500 1000

Flow rate for hose Ø 10mm [l/

min]

340 340 600 600 1400

Min. pressure [bar] 2 2 2 2 2

Max. pressure [bar] 10 10 10 10 10

Pressure loss /hrs [bar]* 0.1 0.1 0.1 0.1 0.1

Reference volume [cm³] 30 30 100 100 500

Switching time [s] 0.01 ±0.015 0.010 0.010 0.010

Pressure medium Compressed air, compressed air quality according to ISO

8573-1:7 4 4

Noise emission [dB(A)] ≤ 70

Size

SDV-P

64-E-P 80-E-P 100-E-P 125-E-P

Max. flow rate [l/min] 150 150 180 200

Ambient temperature [°C]

Min.

Max.

-10

Weight [kg] 0.12 0.16 0.23 0.33

Min. pressure [bar] 2 2 2 2

Max. pressure [bar] 9 9 9 9

Pressure loss /hrs [bar]* 0.1 0.1 0.1 0.1

Switching time [s] 0.01 0.02 0.02 0.03

Pressure medium Compressed air, compressed air quality according to ISO

8573-1:7 4 4

Noise emission [dB(A)] ≤ 70

* at a defined reference volume and constant temperature [20° C]

More technical data is included in the catalog data sheet.

Whichever is the latest version.

Description

06.00 | SDV-P / SDV-P-E / SDV-P-E-P | Assembly and Operating Manual | en | 389561

4 Description

The SDV-P consists of two check valves connected in parallel,

which open when pressure is applied and reciprocal vent the

return direction.

At a pressure failure of the supply line, the check valves close and

prevent a pressure drop.

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