Butterfly valves

Series 50/52 Resilient Seated

Series 50/52 resilient seated

Features:

  • Top plate double drilled to ISO 5211 and standard secondary bolt circle dimensions designed for directing mounting of a wide range of actuators, handles, and gears
  • Heavy duty acetal bushing
  • High strength disc with hand polished disc edge and hubs
  • One piece stem with internal Double D drive eliminates disc pins and screws
  • Blowout proof stem retention offers easy assembly and disassembly
  • Bi-directional U-cup stem seal
  • Heavy duty, one piece epoxy coated body with extended neck for 2” of insulation and locating holes
  • Center-LOK® peroxide cured seat
  • Double molded O-rings provide upper and lower secondary seals

Technical data

Body Style

Series 50 – Wafer
Series 52 – Lug
Series 5A – Wafer (Alternate stem size)
Series 5B – Lug (Alternate stem size)
Body

CI, DI, CS
Disc

Nylon coated Ductile Iron
Aroxy Ductile Iron
CF8M
Stem

410 SS, 17-4 PH
Seat

EPDM, White EPDM
Buna-N, White Buna-N
FKM, Silicone
Size Range

2" to 24“ (DN 50 to 600)
Pressure Rating

2" to 12" – Class 125, 175 PSIG (PN 12)
14” to 24” – 150 psi (PN 10)
Optional: 2” to 24” – 230 (PN 16) 
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.
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