Pfeiffer Vacuum DVB 016 SX Manuale utente
Operating Manual
incl. Manufacturer’s Declaration
BP 805 235 BE (0104) 1
Inline-Valve
manually actuated
bellows sealed
with step drive
DVB 016–040 SX
2BP 805 235 BE (0104) Inline-Valve
In all communications with Pfeiffer Vacuum, please specify the information on the
product nameplate. For convenient reference copy that information into the
nameplate replica below.
Typ:
No:
F-No:
Pfeiffer Vacuum, D - 35614 Asslar
This document applies to products with the following part numbers:
PFD31032 (DN 16 ISO-KF)
PFD41032 (DN 25 ISO-KF)
PFD51032 (DN 40 ISO-KF)
The part number can be taken from the product nameplate.
If not indicated otherwise in the legends, the illustrations in this document
correspond to the valve with the nominal diameter DN25 ISO-KF. They apply to
valves with other nominal diameters by analogy.
We reserve the right to make technical changes without prior notice.
All dimensions are indicated in mm.
The inline valves are used as shut-off, dosing and venting devices for vacuum
applications.
Product Identification
Validity
Intended Use
BP 805 235 BE (0104) DVB 016–040 SX.bet 3
Contents
Product Identification 2
Validity 2
Intended Use 2
1 Description 4
2 Safety 5
2.1 Symbols Used 5
2.2 General Safety Instructions 5
2.3 Liability and Warranty 5
3 Technical Data 6
4 Installation 8
5 Operation 10
6 Deinstallation 12
7 Maintenance / Repair 13
8 Spare Parts 17
9 Returning the Product 18
10 Disposal 18
Declaration of Contamination 19
4BP 805 235 BE (0104) Inline-Valve
1 Description
Rotary knob
Vacuum connection
DN 16–40 ISO-KF
Visual position
indicator
Valve positions
(steps)
The valve is manually opened or closed with 3/8 turns of the rotary knob. Four
additional valve positions are used for dosing gas flows.
The visual position indicator shows the current valve position.
Valve
closed
Valve
open
4 valve positions in the
lower opening range
0% 10% 20% 30%
100%
50%
Position indicator
Valve positions (steps)
BP 805 235 BE (0104) DVB 016–040 SX.bet 5
2 Safety
DANGER
Information on preventing any kind of physical injury.
WARNING
Information on preventing extensive equipment and environmental damage.
Caution
Information on correct handling or use. Disregard can lead to malfunctions or
minor equipment damage.
→See page ...
•=Adhere to the applicable regulations and take the necessary precautions for the
process media used.
Consider possible reactions between the materials (→6 ) and the process
media.
•=Adhere to the applicable regulations and take the necessary precautions for all
work you are going to do and consider the safety instructions in this document.
•=Before beginning to work, find out whether any vacuum components are con-
taminated. Adhere to the relevant regulations and take the necessary precau-
tions when handling contaminated parts.
Communicate the safety instructions to all other users.
Pfeiffer Vacuum assumes no liability and the warranty becomes null and void if
end-user or third parties
•=disregard the information in this document
•=use the product in a non-conforming manner
•=make any kind of interventions (modifications, alterations etc.) on the product
•=use the product with accessories and options not listed in the corresponding
product documentation.
The end-user assumes the responsibility in conjunction with the process media
used.
2.1 Symbols Used
2.2 General Safety
Instructions
2.3 Liability and Warranty
6BP 805 235 BE (0104) Inline-Valve
3 Technical Data
Connection flange DN 16
ISO-KF DN 25
ISO-KF DN 40
ISO-KF
Actuation manual with 6 positions (steps)
Stroke of the valve plate 5.5 mm 10 mm 12 mm
Conductance1) 2.5 l/s 8 l/s 20 l/s
Valve positions
1
2
3
4
5
6
valve closed
10% open
20% open
30% open
50% open
100% open
Service life 2) 10,000 cycles
Tightness 1×10-9mbar l/s
Pressure range 1×10-8mbar ... 6 bar (absolute)
Pressure difference ∆p
in closing direction 2 bar
Pressure difference ∆p
in opening direction 2 bar 1.5 bar
Opens to a pressure
difference ∆p2 bar 3 bar 4 bar
Temperatures
ambiance
bakeout
housing
aluminum
stainless steel
actuator
0 °C ... 50 °C
80 °C
150 °C
50 °C
Installation angle
Flow direction any; ensure swift access
any; preferably in closing direction
Materials
housing
bellows / valve plate
pressure spring
DN 16+25 ISO-KF
DN 40 ISO-KF
seals
actuator
rotary knob
protective lids
packing material
1.4301
1.4541 / 1.4301
1.4301
1.1200
FPM
PBT with glass fiber
PBT with glass fiber
PE
carton box, PE, PU
Weight 0.48 kg 0.7 kg 1.4 kg
1) For air with molecular flow
2) Cycles without expendable parts (seals) and under clean operating
conditions
BP 805 235 BE (0104) DVB 016–040 SX.bet 7
DN 16 ISO-KF
DN 25 ISO-KF
DN 40 ISO-KF
Dimensions
DN 16 ISO-KF
DN 25 ISO-KF
DN 40 ISO-KF
8BP 805 235 BE (0104) Inline-Valve
4 Installation
Skilled personnel
The vacuum connection may only be established by persons who have
suitable technical training and the necessary experience or who have
been instructed by the end-user of the product.
DANGER
Caution: overpressure in the vacuum system >1 bar
Injury caused by released parts and harm caused by escaping process
gases can result if clamps are opened while the vacuum system is
pressurized.
Do not open any clamps while the vacuum system is pressurized. Use
the type clamps which are suited to overpressure.
DANGER
Caution: movement of the valve plate
When the valve is in operation, the valve plate can catch parts of the
body and thus cause injuries.
Take appropriate measures (e.g. protective grid) to prevent access to
the inside of the installed valve.
Caution
Caution: dirt sensitive area
Touching the product or parts thereof with one's bare hands increases
the desorption rate.
Always wear clean, lint-free gloves and use clean tools when working
in this area.
Caution
Caution: vacuum component
Dirt and damages impair the function of the vacuum component.
When handling vacuum components, take appropriate measures to
ensure cleanliness and prevent damages.
Personnel qualifications
Overpressure
Movement of the valve plate
Dirt sensitive area
Handling of vacuum components
BP 805 235 BE (0104) DVB 016–040 SX.bet 9
Keep the lids.
Remove the protective lids and install the valve to the vacuum system by means of
the small flange fittings.
Any installation angle and flow direction may be chosen.
Seal with
centering ring
ISO-KF connection
flange Protective lid
Clamp
Protective lids
10 BP 805 235 BE (0104) Inline-Valve
5 Operation
The product is ready for operation as soon as it has been installed.
Valve
closed
Valve
open
4 valve positions in the
lower opening range
0% 10% 20% 30%
100%
50%
Position indicator
1×10-8mbar ... 6 bar (absolute)
Caution
Caution: pressure difference ∆p
bar
p
Closing direction
p
p+∆p
∆p
bar VACUUM
At ∆p >2 bar the seal of the valve plate can get damaged.
Avoid pressure differences ∆p >2 bar.
Caution
Caution: pressure difference ∆p
p
bar
p
p+∆p
∆p
bar
Opening direction
VACUUM
At ∆p >2 bar DN 16+25 ISO-KF
∆p >1.5 bar DN 40 ISO-KF
the valve is opened.
Avoid pressure differences
∆p >2 bar DN 16+25 ISO-KF
∆p >1.5 bar DN 40 ISO-KF
Pressure range
Pressure difference ∆p in closing
direction
Pressure difference ∆p in
opening direction
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