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HPX Series Triple Offset Low Emission Butterfly Valves

Wafer & Lugged 150#, 300#, and 600# Butterfly Valves (3" to 48")
Manual and Actuated Triple Offset Low Emission Butterfly Valves

 

Description

Assured Automation’s HPX Triple Offset Low Emission Butterfly Valves are an ideal solution for positive shut-off or modulating control applications in erosive, corrosive and critical applications under ambient heat, high heat, and cryogenic temperatures. The HPX is dependable in severe service and comes with field maintainable bolt-in seats and seals, which help increase a plants efficiency as well as reduce the overall cost of ownership.

Rather than the concentric bore design of standard valves, the HPX sealing geometry is an ellipse, which provides a friction-free design with low-torque seating. Since the valve's bore and disc are not a perfect circle, the sealing mechanism is allowed to unseat itself with less torque, resulting in a lower dynamic torque. The sealing components are inherently fire-safe with metal-to-metal seating while maintaining a bidirectional, zero-leakage, bubble-tight shut-off.

 

Triple Offset Valve Design Principle

Triple Offset Low Emission Butterfly Valve Design

Superior Sealing System

Triple Offset Sealing Design

Features & Benefits

  • High-temperature graphite stem packing to prevent fugitive emissions and fire hazards
  • Easily field-repairable body and disc seats without special tooling
  • Internal keyed and pinned connection to align disc seal to body seat
  • One-piece shaft for resistance to full bi-directional pressure/vacuum service
  • API-certified fire-safe design for zero leakage before/during/after a fire
  • Tight shut off: ISO 5208 Rating - A
  • Low Torque and Seat Friction
  • Lightweight compared to ball, plug, globe, and gate valves of the same size
  • Good for throttling which makes them a good alternative to globe and gate valves
  • Bidirectional flow with positive shut-off in both directions for gasses and liquids

Specifications

Materials
  • Body: Carbon Steel or Stainless Steel
  • Disc:Carbon Steel or Stainless Steel
  • Disc Seal: Stainless Steel 316
  • Body Seats: Laminated Stainless Steel 316/ Graphite
  • Seat Retainer: Steel
  • Body Seat Gasket: Graphite
  • Disc Seal Gasket: Graphite
End Connections
  • ANSI 150# Lugged and Wafer: 3" to 48"
  • ANSI 300# Lugged and Wafer: 3" to 48"
  • ANSI 600# Lugged and Wafer: 4" to 24"
  • Long Pattern Flanged, Buttweld also available
Temperature Range:
  • 800°F (standard)
  • -425°F to 1500°F with special materials
    see P/T curve
Pressure Range:
  • ANSI 150#: 285 PSIG
  • ANSI 300#: 740 PSIG
  • ANSI 600#: 1,400 PSIG
  • up to 1500 PSIG with special materials
    see P/T curve

Available Actuators

  • Electric
  • Pneumatic (spring return)
  • Pneumatic (double acting)
  • Manual Handle Lever
  • Manual Geared Hand Wheel
  • Geared Hand Wheel with Chain Wheel

Typical Applications

  • Oil and gas processing
  • Refinery
  • High and low temperature service
  • Oxygen service
  • Hydrogen
  • Saturated steam
  • Chemical plants
  • Power plants
  • Pulp and paper
  • Custom Butterfly Valve Assemblies

Certifications & Approvals

  • Compliant to ANSI 150/300/600 standards
  • Compliant to API 598/607/609 standards
  • Compliance to API 641, ISO 15848-1 & ISO 15848-2 available upon request

buy a Triple Offset Low Emission butterfly valve

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