Ball valve
VZBA-...-63-T-22-...-V4V4T
Festo AG & Co. KG
Postfach
73726 Esslingen
Germany
+49 711 347-0
www.festo.com
Operating instructions
8059958
1602d
[8059959]
Original: de
Ball valve VZBA-...-63-T-22-...-V4V4T
English
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
Operating elements and connections
1
2
3
4
5
6
a)
7
1
Flange to ISO 5211
2
Anti-blow-out switching shaft; slot
direction = flow direction
3
Three-part housing; one middle
part, two connecting flanges
4
Tie rod
5
Pipe connection (here a)
a) with female thread or
b) with weld end (not illustrated)
6
Inside the housing: seals, ball
7
Gland nut
Fig. 1
2
Design
The 2/2-way stainless steel ball valves of the VZBA series consist of:
– a three-part housing comprising a middle part and two connecting flanges with
piping connectors - connected via tie rods
– a soft-sealed ball as a sealing body in the middle part,
– an anti-blow-out switching shaft with spindle washer and position indicator. The
slot direction on the shaft corresponds to the flow direction.
The product is available in various designs. Thse operating instructions describe
the following product variants:
Key features
Type codes
Description
Type
VZBA
Ball valve for process automation
Size
(nominal diameter
DN)
¼
",
y
",
½
",
¾
", 1", 1
¼
", 1
½
",
2", 2
½
", 3", 4"
DN8, DN10, DN15,
DN20, DN25, DN32, DN40,
DN50, DN65, DN80, DN100
Connection type 1
and 2
GG
WW
Pipe thread in accordance with EN 10226 (Rp
¼
… Rp4)
Weld end
Nominal pressure
of valve PN
63
PN 63
Design
T
three-piece
Valve function
22
2/2-way
Flanged connec
tion to ISO 5211
F0304
F0405
F0507
F0710
F10
2 pitch circle diameters with
@
36 and 42 mm
2 pitch circle diameters with
@
42 and 50 mm
2 pitch circle diameters with
@
50 and 70 mm
2 pitch circle diameters with
@
70 and 102 mm
1 pitch circle with
@
102 mm
Housing material
V4
Stainless steel
Material for
shut-off element
V4
Stainless steel
Sealing material
T
PTFE reinforced
Fig. 2
Please select appropriate actuating elements (hand lever, semi-rotary drive) from
the catalogue (
è
www.festo.com/catalogue).
Product identification
1)
†‡
VZBA - *
1686625
* Complete type code
è
Packaging
Part number - example
1)
Features of the product
è
additional markings on the product
Fig. 3
Rating plate – example
3
Function
The rotation of the mounted semi-rotary drive or hand lever is transmitted to the
switching shaft of the ball valve.
The switching shaft transmits the rotation to the soft-
sealed ball. Depending on the switching position the
ball blocks or enables the flow. The ball valves VZBA
can be switched by 90° to the two positions “OPEN”
and “CLOSED”.
Fig. 4
4
Application
As intended, the ball valves of the VZBA series serve as a process valve for the flow
control of neutral, liquid and gaseous fluids in piping systems. The products are
tailored to the requirements of factory and process automation (
è
catalogue
www.festo.com/catalogue). They are suitable for use in the chemical and petro
chemical industries.
For special ambient conditions:
Please observe the specifications on the product certificate
è
Support portal at
www.festo.com. When the device is used in dust-laden environments, surfaces
and actuators must be cleaned at regular intervals. The cleaning intervals
depend on the amount of dust present and on the surface temperature
generated by the fluid.
The ball valves can be operated with an appropriate semi-rotary drive (flange to
ISO 5211) or hand lever.
– Operation with abrasive media and solids is impermissible.
– Before using the product, test the compatibility of the medium with the materi
als of the product in order to avoid damage to the medium (
è
Technical Data).
– The VZBA ball valves can be used for fluids of Group 1 in accordance with EU
Pressure Equipment Directive.
– The ball valves VZBA are inappropriate for permanent intermediate positions
and for controlling the flow rate.
– For product variants with a 'G' connection type (pipe thread): Welding in tubing
is impermissible! Use appropriate fittings to bolt the product to the tubing.
5
Transport and storage
– Take the product's weight into account. Depending on the design, the product
weighs over 22 kg.
– For delivery of used products: Comply with all of the legal requirements for the
handling of hazardous substances and the transport of dangerous goods. For
return to Festo
è
chapter 6.
– Ensure storage conditions as follows: Storage locations should be cool, dry and
shady to prevent corrosion.
6
Safety conditions
Note
Fitting and commissioning is to be carried out only by qualified personnel in
accordance with the operating instructions.
– Compare the limit values specified in these operating instructions with your
actual application (e.g. medium, pressures, temperatures, masses, flow rates).
– Take into consideration the ambient conditions at the location of use.
– Operate the product only in combination with neutral, liquid and gaseous fluids.
– Unauthorised product modification is not permitted.
– Only use the product if it is in perfect technical condition.
– All applicable national and international regulations must be complied with.
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 retur
ned upon explicit request by Festo.
– Please consult your regional Festo contact.
– Complete the declaration of contamination and attach it to the outside of the
packaging.
– Comply with all of the legal requirements for the handling of hazardous substan
ces and the transport of dangerous goods.
