VF-8 Series High Performance Triple Offset Butterfly Valves

VF-8 Series High Performance Triple Offset Butterfly Valves

Additional information


DN80 ~ DN1800


Size: 3”~72”(80 mm ~1800mm)
Temperature Range: -196℃~550℃ (320℉~1022℉)
Pressure Rating: ANSI 150/300/600/900LB

1. One-piece shaft and dust-proof seal design.
2. Life cycles may be up to 50,000 cycles with no jamming and packing adjustment.
3. Triple-Offset butterfly valve provides a laminated seat and solid metal seat as well. Stellite 21 harden overlay body seat is increasing hardness of sealing surface and a regular provides long service life.
4. The design of the heating jackets and flashing nozzles are available on customers’ requirements which apply to the temperature changes prevent fluid crystallization.
5. Full-range valves are suitable for high temperature, high pressure, fire, corrosion, and other harsh conditions.

– Body Style: Wafer type, Lug type, Flange type
– Body Shell Thickness: ASME B16.34
– Mounting: ISO 5211
– Design & Pressure: ASME B16.34

– Face to Face: API 609, ISO 5752
– Inspection and Testing: ISO 5208, API 598
– Fire Safe: API 607, ISO 10497


Additional information


DN80 ~ DN1800

One-time business is not our goal, we pursuit for long-term partner relationships.

We are not just providing simple quotes but experts in selection, calculation, and drawing. 


  • Air Separation
  • Amine Gas Treatment
  • Anti-surge
  • Cryogenics
  • Floating Storage & Regasification Unit
  • Liquefied Natural Gas (LNG)
  • LNG Liquefaction
  • LNG Regasification & Storage
  • Natural Gas Processing
  • Oxygen Service
  • SteamUrea
schematic of a basic distillation column

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