Disk Type Non-Return Valve, Type P750 - Pentair SUDMO P740 Operating Instructions Manual

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).
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
EPDM
FKM
Type: P740, P741, P745, P750 and P760
DN 010 – 150, OD 0.50" – 6.00", ISO 008 – 125
Information/notice

Be aware of the spring tensioning pressure.
Lubricant type
PARALIQ GTE 703 (P)
apply a thin layer at the perimeter with a
brush
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.
Operating Instructions
Disk type non-return valves
RV Solid series
Copy of the original operating instructions
en
25 / 34
BAA RV Solid