Installation, Operating & Maintenance Instructions
Series 612 DN 40-50 (I.D. 1.5“ - 2”), Logic
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
289419EB
2011-12-12
48/60
Description
Required tool
12. Lubricate seal contact surface of
shaft with a slight film of vacuum
grease (0.0125 ml).
13. Slide both o-rings onto shaft till the
end.
14. Deposit 0.0375 ml vacuum grease
between the o-rings
15. Clean shaft from vacuum grease.
Mount
mechani
cal
uni
t to val
v
e
bod
y
16. Assemble mechanical unit in reverse
order as disassembled (steps 6 to
5).
17. Align pedestal parallel to valve body
and tighten the 2 mounting screws
with 2 Nm.
Allen Wrench
3mm
