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7.6.2.
Pneum. SVP aseptic change-over valve spring to open - air to close - diaphragm – O-ring
Avoid damages to metallic valve disc surfaces and valve disc seal.
Caution
Disassembling the valve
II.1.
Disconnect the electrical and pneumatic leads.
II.2.
Disassemble clamp (2) (Tools: Double open ended wrench (wrench size) 17)
II.3.
Remove upper part of valve (1)
II.4.
Attach the pneumatic supply line (auxiliary assembly air) onto the connection L.
Preload the actuator spring ⇒ control air pressure min. 5 bar (auxiliary assembly air) to connection L.
II.5.
Danger
II.6.
Disassemble the spindle (3) with the valve disk (5) and the diaphragm (4) by loosening the threaded connection
GV
(Tools: Double open ended wrench (wrench size) 17).
1
Release the actuator spring ⇒ control air pressure 0 bar (auxiliary assembly air) on connection L.
II.7.
II.8.
Disconnect the pneumatic supply line (auxiliary assembly air) from connection L.
II.9.
Disassemble the spindle (3) from the valve disk (5) by loosening the threaded connection GV
open ended wrench (wrench size) 17 and 12).
II.10.
Remove the diaphragm (4) from the valve disk (5).
II.11.
Remove O-rings (6, 7, 8) (take note: chapter 7.7. "Fitting O-ring" – tools: punch).
BAA A390-D.03
Select
Version 5.04
created on/by
22.03.2017
reviewed on/by
22.03.2017
SVP aseptic change-over valve, pneum. operated
DN 010 – 020, OD 0.50" – 0.75"; ISO 008 – 015
⇒
Do not reach into the openings of the SVP control unit.
risk of accidents
limbs may be crushed or severed.
⇒
Avoid damage to the spindle (3), diaphragm (4) and the valve disk (5).
Graf H.
Operating instructions
diaphragm – O-ring
en
(Tools: Double
2
Copy of original operating instructions
23
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