1 About this manual
IMPORTANT
Read carefully before use.
Keep the manual for future consultation.
1.1 Validity
These operating instructions are for customers of Pfeiffer Vacuum. They describe the function of the
designated product and provide the most important information for safe usage of the product. The de-
scriptions comply with applicable directives. All information provided in these operating instructions refer
to the current development status of the product. The documentation remains valid as long as the cus-
tomer does not modify the product in any way.
1.1.1 Applicable documents
Designation
Document
Declaration of conformity
A component of these instructions
1.1.2 Product variants affected
These instructions apply for roots pumps of the following versions:
Pump type
Pump designs
Standard version
Standard version:
● Standard motor
● Housing and all parts forming the suction chamber are made of GGG
● Connection flanges are designed as ISO, DIN or ANSI flanges
● Connections for sealing gas inlet
● Shaft sealed with radial shaft seal ring (RSSR)
● Version with magnetic coupling (M series only)
Special versions
Changes to the standard design:
● Shaft sealed with an axial face seal
● Version with gas cooler
● Special seal materials which are resistant to aggressive media
● Special housing and piston materials (e.g. stainless steel)
● Pressure test carried out on the pump housing
1.2 Target group
This operating instructions are aimed at all persons performing the following activities on the product:
● transport,
● setup (installation),
● usage and operation,
● decommissioning,
● maintenance and cleaning,
● storage or disposal.
The work described in this document is only permitted to be performed by persons with the appropriate
technical qualifications (expert personnel) or who have received the relevant training from Pfeiffer Vac-
uum.
About this manual
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