88 & 89 Series Triple Offset High Performance Butterfly Valve

Available as a cryogenic valve

-330°F liquid nitrogen to +1000°F

Certifications: API 607, ISO 10417, ISO 15848-1, API 641, TALUFT, CRN, ABS, PED, SIL, TS6

Fugitive emission

Zero leakage, metal seated

Tight shutoff for thousands of cycles

  • FEATURES & BENEFITS
  • TECHNICAL
  • DOCUMENTATION
  • OPTIONS
  • APPROVALS
  • APPLICATIONS
  • Tight shutoff design
  • One-piece body materials are either Cast Steel or Stainless Steel for excellent corrosion resistance
  • High strength one-piece stem in A182 F6A or A182 F304 materials
  • ISO 5211 mounting pad
  • Triple off-set configuration with conical angled disc design. Maximize flow and minimize resistance providing high Cv.
  • Multi-layer disc seal ring – CF8M with flexible graphite or PTFE. Meets flexible emergency seal to assure fire safe performance
  • Gland flange preventing uneven load distribution against packing
  • Design standard: API609

SIZE

  • 3″ – 48″

BODY MATERIAL

  • A350LF2/LCB
  • WCB/A105
  • 316 CF8M
  • Alloy 20

TRIM MATERIAL

  • CF8M
  • Alloy Material

END CONNECTIONS

  • Flanged
  • ANSI 150, 300, 600, 900, 1500, 2500
  • Ring Type Joint

TEMPERATURE

  • -330°F to +1000°F

OPTIONS

  • Gear Operator
  • Stem extension

  • Gear operator
  • Stem Extension

  • SIL Compliance Approval
  • API 607
  • ISO 10417
  • ISO 15848-1
  • API 641
  • TALUFT
  • CRN
  • ABS
  • PED
  • TS6

  • Where a tight bubble shut-off is required
  • High temperature is expected
  • Hard sealing surfaces are required with zero leakage (soft seat) or rated leakage (metal seat)