Types of laying

Technical solutions

Ductile cast iron pipelines are suitable for all soil types. Saint-Gobain PAM offers a comprehensive network that can adapt to any environmental or soil conditions.

Recommanded self-anchoring solutions for different locations and pipe-laying techniques
Pipeline
location
Laying techniqueInsert type anchoringBead type anchoring
BuriedOpen trenchSTANDARD Vi, UNIVERSAL Vi,
EXPRESS Vi and STANDARD V+i
UNIVERSAL Ve, PAMLOCK
and STANDARD Ve
Directional
drilling
Cannot be usedUNIVERSAL Ve
Underwater
laying
Cannot be usedUNIVERSAL Ve, PAMLOCK,
STANDARD Ve
CasingSTANDARD Vi et UNIVERSAL Vi
Usable for short, straight sleeves
UNIVERSAL Ve, PAMLOCK,
STANDARD Ve
Above groundBridgeSTANDARD Vi, EXPRESS Vi
and UNIVERSAL Vi
For short-span bridges only
UNIVERSAL Ve, STANDARD Ve
All types of bridges, including long-span
Tunnels
and technical
areas
STANDARD Vi, EXPRESS Vi,
UNIVERSAL Vi and STANDARD V+i
Hydraulic thrust forces compensated
by suitable support devices
UNIVERSAL Ve, STANDARD Ve
Hydraulic thrust forces compensated
by suitable support devices
Buried or
above ground
Steep inclineSTANDARD Vi, EXPRESS Vi,
UNIVERSAL Vi and STANDARD V+i
Compensate sliding loads at top of slope
and, if slope is long, at several points
along the slope
UNIVERSAL Ve, STANDARD Ve
and PAMLOCK
Compensate sliding loads at top of slope
and, if slope is long, at several points
along the slope