Double Eccentric Soft-Seated Butterfly Valve with Electric Actuator

Double Eccentric Soft-Seated Butterfly Valve with Electric Actuator — Suzhou Yueda Valve Co., Ltd

Double Eccentric Soft-Seated Butterfly Valve with Electric Actuator

This motorized double-eccentric butterfly valve combines a two-offset disc geometry with a resilient soft seat.

Typical specifications of Double Eccentric Soft-Seated Butterfly Valve with Electric Actuator
Nominal SizeDN80 – DN2000
Pressure RatingPN10 / PN16 / PN25
Body MaterialDuctile iron GGG50
DiscDuctile iron, SS316 or bronze
SeatEPDM / NBR replaceable
ActuatorElectric, 220 V / 380 V, IP67 / IP68
Temperature-10 °C to +120 °C
MediumWater, wastewater, HVAC, low-pressure gas
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Product Description

This motorized double-eccentric butterfly valve combines a two-offset disc geometry with a resilient soft seat. The double eccentric design lifts the disc away from the seat immediately after opening begins, which reduces seat friction, lowers operating torque and dramatically extends seal life. Fitted with a reliable quarter-turn electric actuator, the valve supports local control, remote control and full automation through PLC or SCADA systems, making it ideal for unmanned pumping stations and automated water networks.

Key Features & Advantages

  • Double eccentric geometry — low torque, long seat life, bubble-tight shut-off
  • Quarter-turn electric actuator with manual override handwheel
  • Open/close limit and torque protection; position feedback available
  • Optional Modbus / Profibus / 4-20 mA intelligent control
  • Drop-tight sealing suitable for isolation duty
  • Epoxy coated ductile iron body for buried and above-ground service

Applications

The Double Eccentric Soft-Seated Butterfly Valve with Electric Actuator is widely applied in municipal water supply and drainage networks, water treatment plants, petrochemical and coal-chemical plants, power stations, heating and gas supply systems, HVAC and building services, sewage renovation projects and waste recycling integrated systems. It is also suited to demanding sectors such as floating production storage units, onshore exploration & production, deep-sea extraction, LNG terminals, oil & gas pipeline transmission, and loading & storage systems.

Quality & Certification

Every valve is manufactured under our ISO 9001:2015 quality management system. Products carry UK WRAS hygiene approval and European EN1074 certification, and all processes — casting, machining, spraying, assembly, testing, inspection and packaging — are controlled and traceable. Custom materials, pressure classes and actuation packages are available on request.

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