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Semi-Lugged Butterfly Valve

Working Pressure: PN10/PN16

Size: From DN40-DN1200

Operator: bare shaft with ISO 5211 top flange, handlever and gearbox,actuators

Body material:CI,DI,Alu-bronze,CS and others



Shaft:SS, Inconel

About material, it can be customized, please contact us if any further requirements.

Area of application

Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems


  • Design and Manufacture Conform to EN 593, API609,  JIS
  • Flange dimensions Conform to EN 1092-2 PN10, PN16, JIS5K, JIS10K
  • Face to Face dimensions Conform to EN558 series
  • Topwork’s dimensions Conform to ISO5211
  • Testing Conform to API598、EN12266-1



  • Hand lever
  • Worm-gear/hand-wheel
  • Electric-actuator
  • Pneumatic-actuator
  • Hydraulic-actuator

Wafer type butterfly valve features

  • Simple structure and easy operation
  • Easy installation and good sealing
  • Long service life and high reliability
  • Good interchangeability of parts and cost saving
  • Wafer type butterfly valve with concentric design
  • Using backless structure, Rubber fusion bonded on valve body
  • Replaceable, resilient seat
  • Streamlined disc, one-piece stem
  • Approved and registered by VdS, DVGW

Related types of butterfly valves:

We have other types of butterfly valvesLug type butterfly valveU flange butterfly valvedouble flange butterfly valvefluorine lined PTFE butterfly valvedouble eccentric butterfly valve and triple eccentric butterfly valves  used in Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, with Nominal Diameter of DN50 to DN1200, NBR/EPDM/VITON, Certificates & Approvals: DNV-GL, Lloyds, DNV, BV, API, ABS, CCS. Standards: EN 593, API609, API6D,