Yarway 721 and 711 Unibody Thermodynamic Steam Trap

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.

Specs

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

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)

Size

NPS 3/8, 1/2, 3/4, and 1 / DN 10, 15, 20, and 25

Technology

Thermodynamic (Disk)

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