Low Fugitive Emission Valve
Selection Guide

• Fire Safe Certified to API 607 4th Edition
• Three piece design with swing out body for easy access to internal components
• Dual body seals are fully contained and protected
• Anti-static grounding device
• Blow-out-proof stem with superior seal design
• High-strength stem with parallel head for positive ball position indication
• Secure body bolting: bolts are fully encapsulated and secure directly into tapped holes in the body
• ISO 5211 actuator mounting pad
• Weld-in-place: heat sink construction allows welding of fully assembled valve without damaging the seats
• Vented Ball: 1/8" hole drilled into stem slot to prevent excessive pressure build-up in cavity while valve is in open position

Materials

• Body: Carbon Steel or Stainless Steel
• Seat: TFM or 50/50 SS/PTFE

End Connections

• NPT: 1/2" to 4"
• Socket Weld: 1/2" to 4"

Temperature and Pressure

• Max. Temperature:
  TFM: 450°F
  50/50: 550°F
• Max. Pressure:
  1/2" & 3/4": 3000 PSIG
  1" to 4": 2250 PSIG
• see Pressure/Temperature curve

• Floating ball and protected seat design
• Spiral wound body gasket with secondary metal to metal seal
• O-ring reinforced stem packing; live loaded, 3 stages
• Vented ball
• Pressure equalizing seat design

Materials

• Body: Carbon Steel or Stainless Steel
• Seats: TFM or 50/50

End Connections

• 150# ANSI Flange: 1/2" to 8"
• 300# ANSI Flange: 1/2" to 8"

Temperature and Pressure

• Max. Temperature:
  TFM: 475°F
  50/50: 525°F
• Max. Pressure:
  150#: 275 PSI
  300#: 700 PSI
• see Pressure/Temperature curve
  
  

• Best in Class Fugitive Emission Containment
• ISO 15848-1 BH CO3 392°F / 200°C SSA 0
• Rugged construction
• Easy turning without lubrication

Materials

• Body: Stainless Steel or Carbon Steel
• Sleeve & Seals: PTFE, RPTFE, PFA, or special

End Connections

• ANSI 150#: 1/2" to 12"
• ANSI 300#: 1/2" to 12"

Temperature and Pressure

• Max. Temperature:400°F
• Max. Pressure: 740 PSIG
• see pressure/temperature curve

• Petroleum refining
• Chemical processing
• Power generation
• Applications that require manufacturers to be on an approved manufacturer list (AML)
  
  

• Low Emission: < 100 ppm
• Stem straightness and roundness
• Stem surface finish to max. 32 Ra
• Stuffing box surface finish to max. 125 Ra
• Stuffing box and gland cylindricity
• Self centering gland design
• Gland packing: Die-formed graphite rings with braided graphite top and bottom rings
• Corrugated SS and graphite bonnet gaskets
  
  

Materials

• Body & Bonnet: Carbon Steel (A216 WCB)
• Seat Ring: RPTFE

End Connections

• ANSI RF 150# Flange: 2" to 36"
• other ANSI classes available

Temperature and Pressure

• Max. Tempurature: 1000°F
• Max. Pressure:
  150#: 285 PSIG
  
• see Pressure/Temperature curve

• 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
  

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 and Pressure

• Temperature:
  800°F (standard)
  -425°F to 1500°F with special materials
  see Pressure/Temperature curve
  
  
• Max. Pressure:
  ANSI 150#: 285 PSIG
  ANSI 600#: 800 PSIG
  up to 1500 PSIG with special materials
  see Presure/Temperature curve