Series 42-43 Lined Butterfly Valve

Lined butterfly valve in wafer (Series 42) or lug (Series 43) pattern, with PTFE/silicone, PTFE/FKM, PFA/silicone, PFA/FKM or UHMWPE/FKM seats and a one-piece disc/stem in 316 SS, duplex stainless, PTFE, PFA or UHMWPE lined, or Halar® coated. The resilient seat energiser extends completely around the seat, including the disc hub area. Sized 2" to 24" (DN 50 to 600) and rated 150 PSIG (PN 10).

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 energiser 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)