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12'' 600LB CF8M metal seat triple offset butterfly valve handle wheel with worm gear operator RF connection butterfly valve

12'' 600LB CF8M metal seat triple offset butterfly valve handle wheel with worm gear operator RF connection butterfly valve

  • Valve type: Butterfly valve
  • Port size:12''
  • Pressure:600LB
  • Material: ASTM A351 CF8M
  • End: RF
  • Operation: Worm gear
  • Application: Water, oil, gas, chemical pipeline
  • Medium : Steam
  • Working temperature: 350℃
Product description:
Design standard: API609
Flange design and manufacture standard:ANSI B16.5
Test and inspection: API598

Body material: ASTM A351 CF8M
Disc: ASTM A351 CF8M
Gland:CF8M

Packing: Flexible graphite
The triple off set geometry
Offset 1:The shaft is offset behind the seat axis to allow complete sealing contact around the entire seat.
Offset 2:The shaft centerline is offset from the pipe and valve which provides interference free opening and closing of the valve.
Offset 3:The seat cone axis is offset from the shaft centerline to eliminate friction during closing and opening and to achieve uniform compressive sealing around the entire seat.

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