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Yarway 721 and 711 Unibody Thermodynamic Steam Trap
Yarway 711
Yarway 721
Yarway 711
Thermodynamic disk steam traps that provide consistent performance in less than perfect conditions.
Yarway 721 and 711 Unibody steam traps are designed for applications such as steam tracing and drip.
Yarway 721 and 711 Unibody Thermodynamic Steam Trap

Specs

Technology
Thermodynamic (Disk)
Size
NPS 3/8, 1/2, 3/4, and 1 / DN 10, 15, 20, and 25
Maximum Temperature
750°F (400°C)
Operating Pressure
Type 711/721 - 4 to 450 psig (0.3 to 31 bar)
Type 711HP/721HP - 150 to 650 psig (10.3 to 45 bar)
Back Pressure
Low carbon (0.15% max.) chrome moly body and stainless steel trim
Capacity
Up to 3500 lb/hr (1587.5 kg/hr)
Connections
NPT, Socket weld
Materials
Low carbon (0.15% max.) chrome moly body and stainless steel trim

Features

  • Simple, In-line repair using quick change capsule
  • Freeze Proof
  • Unaffected by water hammer
  • Discharge temperature follows saturation curve
  • Hardened stainless steel construction provides exceptional corrosion resistance
  • Open failure mode prevents water hammer in steam distribution mains
  • Easily switch to piston or thermostatic technology with a simple capsule changeout
  • Withstands superheat