47 series & Epoxy Retained Seat

The L2 series has an epoxy- retained seat configuration for KFlo large diameter butterfly valves. The seat provides full port flow equal to or greater than all major leading valve designs.

47 Series Overview
Nominal Inside Diameter 24″-168″ Sizes Available
Construction Materials Body: Ductile Iron (ATM A536, Grade 65-45-12)
Seat: Buna-N standard
EPDM Optional
Shaft: Stainless Steel
Disc: Ductile Iron (ASTM A536, Grade 65-45-12) w/ 316 Stainless Steel Edge
Bearings: TFE Lined with Fiberglass backing
Pressure Rating Class 150 and Class 250


Crispin Valve offers a wide variety of special materials for butterfly valves that may not be listed. If your project may need such materials please feel free to contact our Sales/ Customer Service team for any inquiries you may have!