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459 Series
Zirconia Ceramic
Lined Ball Valves

Brochure

459 Series Overview

Tough Valve For Tough Services!

  • Corrosion Resistant
  • Strong as Steel
  • 1/2 the weight of Steel

The PureFlex 459 Series ceramic-lined composite ball valve is a superior quality, ANSI Class 150 valve engineered with features not yet available in any other ceramic valve. The valve body is manufactured from strong, light weight advanced premium E-Plus™ epoxy resin reinforced with carbon graphite. The ceramic liner / seats and ball are partially stabilized zirconia (PSZ) which provides unmatched impact resistance. The valve is able to withstand abrasion, cavitation, wear, thermal cycling, and severe corrosive media and environments up to 275°F. The 459 Series ball valve exceeds Class IV shut-off and its stem seal will meet your routine or most rigid service requirements. The massive one piece body meets ANSI B16.10 dimensions and its ISO 5211 universal mounting pad and flange mounting makes automation simple even with the in service. The 459 series valves are 1/2 the weight of competitors ceramic valves, offer maximum corrosion resistance, and the elimination of product entrapment, and provide the ultimate in flexibility and value.

Flow Control Options

  • Full CvFull Cv
  • 60 Degree60 Degree
  • 30 Degree30 Degree
  • 15 Degree15 Degree

Knoop Hardness Comparison

Knoop Hardness Comparison

Features

  • Locking wrench manufactured from Durcor®-62™ vinyl ester that is virtually unbreakable
  • Independent locking wrench-stop and ISO-5211 universal mounting pad for
    actuation

Industries Served

  • Coal-Fired Power
  • Pulp & Paper
  • Steel
  • Mining
  • Chemical Processing
  • Pollution Abatement
  • Hastelloy C276 Hardware
  • Durcor®-62™ Live-Load™ (patent pending) packing gland
  • Stem Bearing - Graphite / PTFE
  • Stem Sealing - PTFE Chevron type
  • Thrust Bearing - Graphite / PTFE
  • Ball - Yttria-Partially Stabilized (Y-TZP) Zirconia
  • Seats / Liner - Full cavity filled Yttria-Partially Stabilized (Y-TZP) Zirconia
  • End Cap Seal - PTFE coated Viton

Applications

  • Desulfurization
  • Corrosive Pulps
  • Iron Ore Tailings
  • Titanium Dioxide Slurry
  • Fly Ash
  • Lime Slurry
  • Calcium Chloride Brine
  • Scrubber Liquor
  • Fume Scrubber
  • Sand Slurry
  • Pump Cavitation
  • Valve Throttling

Technical Data

Pressure/Temperature Curve

Pressure/Temperature Curve
Cv DATA
 
Valve Size Full Open Cv
1" 45
1 1/2" 120
2" 165
3" 350
4" 550
6" 1245
8" 2150
10" 2500
Actuator Sizing
 
Valve Size Torque @
Max. Diff. PSI
1" 70 in.-lbs
1 1/2" 160 in.-lbs
2" 180 in.-lbs
3" 440 in.-lbs
4" 920 in.-lbs
6" 1745 in.-lbs
8" 2650 in.-lbs
10" 3900 in.-lbs

459 Valve Data

  • Sizes Range: 1" to 10"
  • Ceramic: Yttria-Partially Stabilized (Y-TZP) Zirconia)
  • Pressure Range: Full Vacuum to 275psi
  • Maximum Shock: Instantaneous Thermal = 200°F
  • Temperature Rating:
    -50°F to +275°F(Process fliud may effect temperature limit, please consult PureFlex Chemical Guide)
  • Flow: Bi-Directional
  • Conformance: Conforms to all Applicable Standards ANSI / ASME B16.10, API-598, MSS-SP72 and ISO-5211
  • Flange Adaptability: ANSI B16.5 Class 150 (STD) DIN, JIS and BS availability
  • Shut Off: Exceeds ANSI/FCI 70-2 Class IV