NAPCO Certa-Set Field Installation Manual page 2

LATERAL PIPE ASSEMBLY & PREPARATION
Certa-Set 3" Lateral Pipe Assembly
General Notes:
• Certa-Set pipe is intended for pressure pipe applications
involving irrigation water systems. Please refer to the
Field Layout Best Practices for field options and
potential irrigation ideas.
• For instructions regarding pipe handling and additional
installation information, please visit napcopipe.com.
1. Install an O-Ring in the back groove of each female
end of the sled coupling.
Note: The front groove is the spline groove.
O-ring missing
2. Apply lubrication to the O-ring on one side of the sled coupling.
Lubricant
3. Lubricate the spigot end of the pipe.
Lubricant
napcopipe.com
1
O-ring misaligned
Properly installed O-ring
Applying lubricant
O-ring in spline grove
Applying lubricant
Notes:
1. Avoid getting lubricant in the spline grooves.
2. Do not use excess lubricant.
O-ring properly installed