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
24 / 34
Copy of the original operating instructions
BAA RV Solid
en
I.3.
Remove the housing lid (3).
Information/notice
Be aware of the spring tensioning pressure.
I.4.
Remove spring guide (4) and dismount O-rings (5, 6).
I.5.
Remove pressure springs (7).
I.6.
Remove valve disk (8).
I.7.
Dismount O-ring (9).
Valve assembly
I.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.
I.9.
Mount O-ring (9) on to valve disk (8).
I.10.
Position valve disk (8) in the valve body (10).
I.11.
Mount pressure springs (7) on to valve disk (8).
I.12.
Mount O-rings (5, 6) on to spring guide (4).
I.13.
Mount spring guide (4) on to valve body (10).
I.14.
Position housing lid (3) on to valve body (10).
I.15.
Assemble and fasten clamp (2) - tightening torque 8 Nm.
I.16.
Mount disk type non-return valve (1) on to piping system.
