Pfeiffer Vacuum EVI 005 MI Operating Instructions

A P A S S I O N
F O R P E R F E C T I O N
EVI 005 MI
Insert Valve, electromagnetically actuated
Operating Instructions
Product Identification
In all communications with Pfeiffer Vacuum, please specify
the information on the product nameplate. For convenient
reference copy that information into the space provided
below.
D-35614 Asslar
Berliner Strasse 43
V=, W
Validity
This document applies to products with part number
PF H13 241.
The part number (No.) can be taken from the product name-
plate.
We reserve the right to make technical changes without prior
notice.
Intended Use
The insert valve is predominantly used in fast-cycling vacuum
systems, for example, for gas analysis and coating proc-
esses.
Functional Principle
The EVI 005 MI is opened by the solenoid coil and closed by
the prestressed pressure spring. It will close, or remain
closed, on power loss.
Safety
Symbols Used
DANGER
Information on preventing any kind of physical injury.
Information on preventing extensive equipment and en-
vironmental damage.
Information on correct handling or use. Disregard can lead
to malfunctions or minor equipment damage.
Personnel Qualifications
Skilled personnel
All work described in this document may only be carried
out by persons who have suitable technical training and
the necessary experience or who have been instructed by
the end-user of the product.
General Safety Instructions
• Adhere to the applicable regulations and take the neces-
sary precautions for the process media used.
Consider possible reactions between the materials
(→ "Technical Data") and the process media.
Consider possible reactions of the process media due to
the heat generated by the product.
• Adhere to the applicable regulations and take the neces-
sary precautions for all work you are going to do and con-
sider the safety instructions in this document.
• Before beginning to work, find out whether any vacuum
components are contaminated. Adhere to the relevant re-
Pfeiffer Vacuum, D-35614 Asslar
gulations and take the necessary precautions when hand-
F-No:
ling contaminated parts.
Communicate the safety instructions to all other users.
Liability and Warranty
Pfeiffer Vacuum assumes no liability and the warranty be-
comes null and void if the 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 not listed in the corres-
ponding product documentation.
The end-user assumes the responsibility in conjunction with
the process media used.
Failures due to contamination or wear and tear, as well as
expendable parts (e.g. seals), are not covered by the
warranty.
WARNING
Caution
Technical Data
Version normally closed
Nominal diameter 5 mm
Threaded connection M20 × 1
Power specifications
Nominal voltage
24 VDC ±10%
Nominal power
10 W
Duty cycle 100%
(i.e. continuous duty possible)
Degree of protection IP 65
Mounting orientation any
1)
Switching frequency max. 300 / min
Cycles to first main-
tenance 2'000'000
>
-9
Tightness 1×10 mbar l/s
-8
Resistance to pressure 1×10 mbar ... 10 bar (absolute)
-8
Operating pressure 1×10 mbar ... 1 bar
Pressure difference Δ p
In closing direction 5 bar
In opening direction 1.5 bar
Opens against a pressure
difference Δp 1 bar (with 24 VDC)
1)
Closing time 7 ms
1)
Opening time 30 ms
Temperature
3)
Ambiance 5 °C ... 40 °C
Heat generation 60 °C (after 1¼ hours on con-
tinuous duty and at an ambient
temperature of 25 °C)
Bakeout 120 °C with idle solenoid coil
(
150 °C without solenoid coil
(
Materials
Bellows, connection
nut stainless steel 1.4301
Actuator stainless steel 1.4105
Seals FPM
Weight 0.2 kg
1)
With pressure difference Δp = 0 bar.
2)
Under clean operating conditions.
If the valve is operated under harsh or dirty conditions, it
should be cleaned / maintained before the specified service
time to maintenance has been reached.
3)
–15 °C, if the ambiance is free of condensable gases.
Dimensions [mm]
300 32
0.38 mm
2
(AWG 22)
M20×1
Recommended flow direction
Electrical connection
Protective lid (vacuum connection)
2)
)
)