Pfeiffer Vacuum EVB 063 PA Instruction Sheet

A P A S S I O N
F O R P E R F E C T I O N
EVB 063 ... 160 PA/X
Angle valve, pneumatically actuated, bellows sealed,
with position indicator and control valve, normally open
Instruction Sheet

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.
Pfeiffer Vacuum, D-35614 Asslar
Typ:
No:
F-No:
Nominal voltage

Validity

This document applies to products with the following part
numbers:
Aluminum housing:
PF B18 202 (DN 63 ISO-K)
PF B28 202
(DN 100 ISO-K)
PF B38 202 (DN 160 ISO-K)
Stainless steel housing:
PF B18 232 (DN 63 ISO-K)
PF B28 232
(DN 100 ISO-K)
The part number (No) can be taken from the product
nameplate.
If not indicated otherwise in the legends, the illustrations in
this document correspond to valves with the DN 100 ISO-K
Vacuum Connection. They apply to valves with other vacuum
connection by analogy.
We reserve the right to make technical changes without prior
notice.
All dimensions in mm.

Intended Use

The Angle Valves are used as shut-off and venting devices
for vacuum applications.

Description

Compressed air
outlet with silencer Compressed Air Inlet
Visual position indicator
Instant push-in
fitting for educting
the compressed air
(enclosed)
Connector for electrical
position indicator and
pilot valve (enclosed)
Functional Principle
When the pilot valve is activated, the angle valve is closed by
the pressure spring. The position indicator is invisible.
When the pilot valve is deactivated, the angle valve is
opened by the pneumatic actuator. The green position indi-
cator becomes visible.
The final positions can be polled by the electrical position
indicator.

Safety

Symbols Used
DANGER
Information on preventing any kind of physical injury.
WARNING
Information on preventing extensive equipment and en-
vironmental damage.
Caution
Vacuum Connection
Information on correct handling or use. Disregard can lead
DN 63 ... 160 ISO-K
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 and
the process media.
• 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-
gulations and take the necessary precautions when hand-
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 end-users or third parties
• disregard the information in this document
• use the product in a non-conforming manner
• make any kind of changes (modifications, alterations etc.)
to 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.
Failures due to contamination or wear and tear, as well as
expendable parts (e.g. seals), are not covered by the
warranty.