Disk-type non-return valve
12012, 12013, 12024, 12033 / 12017 / 12019
BA_012013.10_EN
2018-11-14 Albert Handtmann Armaturenfabrik GmbH & Co. KG 6 / 8
Type 12017
Replacing the sealing rings:
• Loosen the outer screws (1) on the housing flanges.
• Take out the intermediate housing (2).
• Loosen the inner screws (3) on the intermediate housing (2).
• Change the outer O-rings (4) and inner O-rings (5, 6).
Fig. 2: Schematic representation
1 Screws
2 Intermediate housing
3 Inner screws
4 O-ring
5 O-ring
6 O-ring
7 Pressure spring
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