DelVal Series 42/43

Lined Butterfly Valves

Body Style Series 42 – Wafer

Series 43 – Lug

Body DI, CS, SS
Disc/Stem 316 SS

Duplex SS

PTFE Lined

PFA Lined

UHMWPE Lined

Halar® Coated

Seat PTFE/Silicone, PTFE/FKM

PFA/Silicone, PFA/FKM

UHMWPE/FKM

Size Range 2″ to 24“ (DN 50 to 600)
Pressure Rating 150 PSIG (PN 10)
Design Standard API 609, BS EN 593
Testing Standard API 598, BS EN 12266-1

FEATURES

  • ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears
  • Resilient seat energizer extends completely around seat, including disc hub area
  • One piece disc/stem in high strength design – available in SS316 thin profile with hand polished edge and hubs, or PTFE/PFA encapsulated (min. 3mm thick)
  • Heavy duty acetal bushing
  • Bi-directional U-cup stem seal
  • Heavy duty, two piece epoxy coated body with extended neck and locating holes
  • Precision machined PTFE/PFA seat (min. 3mm thick)
  • Live-loaded stem seal system by a set of Belleville spring washers on the upper and lower stem
For Additional Information or for Application Assistance contact us at 1-877-705-9864 or info@wtmi-usa.com