VYKB
Media separated solenoid valve
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Deutschland
+49 711 347-0
www.festo.com
Operating instructions
8169635
2022-02a
[8169637]
Translation of the original instructions
© 2022 all rights reserved to Festo SE & Co. KG
1
Applicable documents
Document
Product
Table of contents
Application note
–
Constraints for liquid handling, including media
resistance
Tab. 1
All available documents for the product
2
Safety
2.1
Safety instructions
2.1.1
General 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.
–
Do not subject the product to mechanical stress.
–
Before working on the product: switch off the power supply and medium supply
and secure it against being switched on again.
–
Always grasp the plug by the housing. Do not pull on the cable.
–
Comply with the handling specifications for electrostatically sensitive devices.
–
The product can become hot during continuous operation, during operation in
block assembly and in the event of individual faults. Take suitable protective
measures when using and handling the product.
–
Do not operate the product in the vicinity of highly flammable media and
substances.
–
Use the product indoors only.
–
Use the product in a dry environment only.
–
The product may generate high frequency interference, which may require
interference suppression measures in residential areas.
–
Do not exceed the maximum permissible pressure of the medium. Also take
potential pressure peaks in the system into account.
–
Store the product in a cool, dry environment protected from UV and corrosion.
Keep storage times short.
2.1.2
Media
–
Media may escape in the event of leakage. Take suitable protective measures
for use and handling of the product.
–
When using crystallising media, plan appropriate rinsing routines for the
product.
–
Use only media that will not cause dangerous reactions if mixed.
–
Use only media to which the materials used for the product are resistant.
Materials in contact with the medium
–
For evaluation of the media resistance
2.1.3
Return to Festo
Hazardous substances can endanger the health and safety of personnel and
cause damage to the environment. To prevent hazards, the product should only be
returned if explicitly requested by Festo.
–
Consult your regional Festo contact.
–
Complete the declaration of contamination and attach it to the outside of the
packaging.
–
Comply with all legal requirements for the handling of hazardous substances
and the transport of dangerous goods.
2.2
Intended use
The solenoid valve VYKB is intended for installation in laboratory devices. The
product is used to control gaseous and liquid media within the limits of the
technical data. The chemical resistance of the materials of the product in contact
with the media must be tested for every application. The user is responsible for
validating the application.
–
Operate the product only with a suitable sub-base. Observe the product label-
ling on the sub-base.
2.3
Foreseeable misuse
–
Do not bring the product into direct contact with foods or their ingredients.
–
Do not use the product in medical equipment used to maintain or monitor
human life.
–
Do not operate the product in reverse.
2.4
Training 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 electrical (open-loop) control technology.
3
Additional information
–
Contact the regional Festo contact if you have technical problems
–
4
Product overview
4.1
Function
The product is a directly actuated directional control valve with solenoid coil. If
the solenoid coil is supplied with power, the LED on the electrical sub-base lights.
Product
Circuit symbol Function
VYKB-...-M22C-...
2/2-way valve, normally closed (2)
è
(1)
VYKB-...-M32-...
3/2-way valve, normally closed (2)
è
(1) and opened
(2)
è
(3)
Tab. 2: Circuit symbols
4.2
Configuration
The product is a modular design. The connecting cable, the seal and the sub-base
are available as accessories. The seal is included in the scope of delivery.
1
1
2
2
3
3
4
4
Fig. 1: Product design
1
Sub-base VABS-K2-...
2
Seal VAVC-K2-...
3
Connecting cable NEBV-HPG2-...
4
Solenoid valve VYKB
5
Assembly
5.1
Valve mounting
Requirements
–
The medium lines are unpressurised and do not carry any medium.
–
The medium lines are free of particles and fibres.
–
The medium line ends are mounted.
–
Dirt filters are installed in the medium line upstream from the product. Max.
particle size: 5 µm.
–
The power supply is switched off.
