Small-Diameter Access Risers (RR, RA)
Orenco Small-Diameter Access Risers are used as valve enclosures, inspection ports, and service connection risers. For 12in (300mm) Ultra Rib™ access risers, see “Ultra Rib Access Risers.”
- Class 63 IPS construction on 8in nominal diameter (200mm DN) access risers
- Plastic irrigation pipe (PIP) construction on 15in nominal diameter (375mm DN) access risers
- Riser heights available in 3in (76mm) increments