Operating Instructions
Disk type non-return valves
RV Solid series
Type: P740, P741, P745, P750 and P760
DN 010 – 150, OD 0.50” – 6.00”, ISO 008 – 125
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Copy of the original operating instructions
BAA RV Solid
en
14.6.2.
Disk type non-return valve, type P750
Valve disassembly
II.1.
Dismantle screws (11, 12) and remove disk type non-return valve (1) from piping system.
II.2.
Disassemble the clamp (2).
II.3.
Remove the housing lid (3).
Information/notice
Be aware of the spring tensioning pressure.
II.4.
Remove spring guide (4) and dismount O-rings (5, 6).
II.5.
Remove pressure springs (7).
II.6.
Remove valve disk (8).
II.7.
Dismount O-ring (9).
Valve assembly
II.8.
Prior to assembly, clean and grease the shafts and sliding surfaces.
Sealing ma-
terials
Lubricant type
EPDM
PARALIQ GTE 703 (P)
apply a thin layer at the perimeter with a
brush
FKM
PARALIQ GTE 703 (P)
apply a thin layer at the perimeter with a
brush
Information/notice
If a different grease is used
Corrosion of the sealing elements.
Do not use mineral greases and animal fats.
Do not use any petroleum-based fats.
