Butterfly valves

Series 42/43 Lined

Series 42/43 lined

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

Technical data

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

Our Solutions, in the various industrial sectors

Over the years, Hydroservice has developed projects aimed at solving problems in the field of hydraulics.
Take a look at the Business Units in which we operate, and discover all the achievements and projects.

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Hydroservice Staff

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