Maintenance & Repairs; Maintenance Procedures - VAT 615 Series Installation, Operating, & Maintenance Instructions
Butterfly control & isolation valve with extended control range with rs232 interface
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5
Maintenance & repairs
Under clean operating conditions, the valve does not require any maintenance during the specified cycle life.
Contamination from the process may influence the function and requires more frequent maintenance.
Before carrying out any maintenance or repairs, please contact VAT. It has to be individually decided whether the
maintenance/repair can be performed by the customer or has to be carried out by VAT. The fabrication number on the
valve
made in Switzerland
Fabrication No.:
. . . . – . . . . – . . . . / . . . .
A – . . . . . .
has always to be specified.
All supplies (e. g. compressed air, electrical power) must be disconnected for removal/installation of the valve from/into
the system.
Even with disconnected supply, loaded springs and/or air cushions in cylinders can be potential hazards.
Keep fingers and objects away from the valve opening!
Products returned to VAT must be free of harmful substances such as e.g. toxical, caustic or micro-biological ones. If
products are radioactively contaminated, fill in the VAT form «Contamination and Radiation Report» and send it with the
product. The form is available at VAT. The maximum values indicated in the form must not be exceeded.
5.1
Maintenance procedures
Keep fingers out of the valve during maintenance work.
Use cleanroom gloves during maintenance work.
Two preventive maintenance procedures are defined for this valve. This are:
•
Replacement of plate o-ring (without controller and valve separation).
Refer to chapter: «Replacement of plate o-ring».
•
Replacement of shaft feedthrough seals and plate o-ring. Refer to chapter: «Replacement of shaft feedtrough seals
and plate o-ring».
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
Installation, Operating & Maintenance Instructions
Series 615 DN 40 (I.D. 1.5"), RS232
Fabrication number
289112EA
72/95
2011-07-07
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