Festo VZQA-C-M22U-6-GG-V4V4E-4 Manual

Festo Ikke kategoriseret VZQA-C-M22U-6-GG-V4V4E-4

Læs gratis den danske manual til Festo VZQA-C-M22U-6-GG-V4V4E-4 (3 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 15 personer og har en gennemsnitlig bedømmelse på 5.0 stjerner ud af 8 anmeldelser. Har du et spørgsmål om Festo VZQA-C-M22U-6-GG-V4V4E-4, eller vil du spørge andre brugere om produktet?

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Side 1/3
VZQA-C-M22U
Pinch valve
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Deutschland
+49 711 347-0
www.festo.com
Operating instruction
8179536
2022-09h
[8179538]
Translation of the original instructions
© 2022 all rights reserved to Festo SE & Co. KG
1 Applicable documents
All available documents for the product
è www.festo.com/sp.
Document Product Table of contents
Assembly instructions Seal cartridge VAVC-Q2-M22U Changing the seal cartridge
Tab. 1: Applicable documents
2 Safety
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.
–Take into account the ambient conditions at the location of use.
–Observe the specifications on the product labelling.
–Store the product in a cool, dry environment protected from UV and corrosion.
Keep storage times short. Storage temperature è 11 Technical data.
Media
–Use only media in accordance with the specifications
è 11 Technical data.
–Use only media to which the materials used for the seal cartridge and cover are
resistant. For evaluation of the media resistance
è www.festo.com.
–Use only media that will not cause dangerous reactions if mixed.
Piping
Depending on the flow medium and the operating conditions, pressure peaks that
exceed the permissible pressure range may develop in the system.
If the seal cartridge fails, the operating medium may enter the flow media circuit.
The pressure in the flow medium circuit may increase accordingly.
–Design the flow media circuit for at least the set operating pressure.
–It may be necessary to include a pressure-relief valve in the media line to
comply with the limit values.
The separation between the media spaces is no longer guaranteed if wear causes
the seal cartridge to leak. The flow medium may then enter into the pilot circuit
and escape, e.g. at a silencer.
–Use an appropriate check valve to protect the pilot circuit against ingress of the
flow medium.
–Secure possible outlet points of the medium in such a way that persons cannot
come into contact with the medium.
The service life of the seal cartridge depends on the medium used, the operating
pressure and the switching speed.
–Limit the switching speed with a suitable throttle valve or control valve.
Very high temperatures may damage the seal cartridge
è 11 Technical data.
–Do not weld piping in close proximity to the valve.
Return to Festo
Hazardous substances can endanger the health and safety of persons 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 pinch valve controls gaseous, dusty and solid media as well as mixtures of
substances in piping systems.
The pinch valve VZQA-C-M22U-...-...S1 can be used in the food zone.
2.3 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 knowledge
and experience in process automation.
3 Additional information
–Contact the regional Festo contact if you have technical problems
è www.festo.com.
–Accessories è www.festo.com/catalogue.
4 Product overview
4.1 Product design
1
2
3
4
Fig. 1: Product design
1 Housing cover
2 Housing
3 Threaded connection or clamp
ferrule for connecting media-car-
rying piping
4 Operating medium port
Inside the valve is a replaceable seal cartridge with a tubular shut-off element.
4.2 Function
The pinch valve is a pneumatically actuated 2/2-way valve. In its normal position
the valve is open (N/O).
Fig. 2: Circuit symbol
If the valve is pressurised with operating pressure, the tubular shut-off element
is pinched shut and the valve is closed. After removal of the operating pressure,
the shut-off element is opened by its intrinsic tension and the pressure of the
medium. The free passage when the valve is opened ensures minimum flow
resistance and prevents the valve becoming blocked or clogged.
5 Mounting
Requirements
–The piping system is unpressurised and medium is not flowing through it.
–The lines are clean.
–The pipe ends are mounted.
–All transport packaging has been removed. The material used in the packaging
has been specifically chosen for its recyclability.
–Protective measures are installed in the system, e.g. flow control valves or
control valve, check valve, pressure-relief valve.
VZQA-C-M22U -6 -15 -25 -50
Flow control
valve,
control valve
Recommended standard
nominal flow rate
[l/min] 10 40 40 40
Recommended nominal
width
[mm] 0.5 1 1 1
Tab. 2: Mounting
5.1 Cleaning the valve
• There may be traces of residual grease on the valve as a result of the produc-
tion process. Clean the valve immediately before mounting.
5.2 Connecting the flow medium pipe
NOTICE
To eliminate direct access to the valve opening during operation, connect a line to
both ports, even if the valve is located at the end of the piping.
For VZQA-C-M22U-...-G/-T with female thread:

Produkt Specifikationer

Mærke: Festo
Kategori: Ikke kategoriseret
Model: VZQA-C-M22U-6-GG-V4V4E-4

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