API 609 High Performance Double Offset Butterfly Valve

Technical Features

• Type:

  • High Performance Butterfly Valve
  • Double Offset/Eccentric Pattern

• Size:

  • DN50(2"), DN80(3"), DN100(4"), DN125(5"), DN150(6"), DN200 (8"), DN250(10"), DN300(12")

• Material:

  • Cast Stainless Steel ASME A351 Gr. CF8M
  • Cast Carbon Steel ASME A216 Gr. WCB

• Face to Face:

  • Length to API 609 Cat. B

• Pressure Rating:

  • Class 150/300/600

• Connection:

  • Double raised flange
  • Lugged
  • Wafer

• Trim:

  • Seat: Soft Goods (EPDM/NBR/PTFE/RPTFE) / Stainless Steel Gr. CF8/M (304/316)
  • Disc: Stainless Steel Gr. CF8M

• Operation:

  • Actuator (Electric/Pneumatic/Hydraulic)
  • Gearbox
  • Lever

• Mounting:

  • ISO 5211 mount pad

• Design Standard:

  • API 609 Cat. B, BS 5155, ISO 5752

• Testing and Acceptance:

  • Pressure test: API 598
  • Fugitive emissions: ISO 15848-1
  • Fire test: ISO 607 (ISO 10497)

• Design Feastures:

  • Double offset design
  • Single piece anti-browout stem
  • Fire safe design
  • Tight shut-off design