Pentair SUDMO P740 - Assembling the O-Rings; Dismantling the O-Rings; Installing the O-Rings; Replacement of the Seals in Contact with the Product

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
14.5. Assembling the O-rings
14.5.1. Dismantling the O-rings
 O-ring is installed in positive contact under pretension.
 Disassemble as shown.
Information/notice
 Do not damage the seal groove (edges of the
groove).
Caution
 Do not slip off with the punch.
 Risk of injury.
14.5.2. Installing the O-rings
 Fasten O-ring in a crosswise sequence (in the order 1 - 2, 3 - 4
etc.) in four positions in the groove.
 Roll the O-ring (section by section 1 - 6, 5 - 2 etc.) into the
groove with light rolling movements on a clean surface.
 Use a plastic surface for the assembly (if possible, avoid sur-
faces made of wood or metal).
Information/notice
 Avoid twisting and damaging the O-ring.
14.6. Replacement of the seals in contact with the product
14.6.1. Disk type non-return valve, type P740, P741, P745 and P760
Valve disassembly
I.1. Disconnect the disk type non-return valve (1).
I.2. Disassemble the clamp (2).
O-ring
Valve disk