Yarway™ 741 and 731 Unibody Thermodynamic Steam Trap

Thermodynamic piston steam traps that provide consistent performance in less than perfect conditions.

Yarway 741 and 731 Unibody steam traps are designed for applications such as rotating cylinders, submerged coils, and jacket kettles.

Specs

Back Pressure

Up to 40% of inlet pressure, psia/bar

Capacity

Up to 3900 lb/hr (1772 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 731/741 - 20 to 300 psig (1.4 to 21 bar)
Type 731H/741H - 40 to 600 psig (21 to 41 bar)

Size

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

Technology

Thermodynamic (Piston)

Simple, In-line repair using quick change capsule
Freeze Proof
Unaffected by water hammer
Hardened stainless steel construction provides exceptional corrosion resistance
Open failure mode prevents water hammer in steam distribution mains
Easily switch to disk or thermostatic technology with a simple capsule changeout
Withstands superheat
Self-draining (vertical mount)
Single moving part
Constant bleed for applications such as rotating cylinders, submerged coils, and jacket kettles