
Yarway Series 129YB, 129YIII/YF, 129YH Disc Steam Traps
A disk-type steam trap with excellent performance to achieve optimal drain discharge.
129YB - High performance disc type steam trap with integrated bypass mechanism
129Y-III/YF - Disc type steam trap with excellent performance and optimal drain discharge
129YH - Versatile disc type steam trap for drain discharge
GENERAL APPLICATION
Cleaning and food equipment, steam piping,
headers, tracing, high pressure steam main drip.
FEATURES
Series 129YB
• Rapid equipment startup with built in
bypass system.
• Stainless steel body, for a long life expectancy
and high level of reliability.
• Simplified maintenance through simple
design, providing high cost-performance.
Series 129Y-III/YF
• Versatile disc type design.
• Stainless steel body for a longer life and
greater reliability.
Series 129YH
• Wide pressure range (0.03 MPa/4.35 psi to
5.0M Pa/725 psi).
• Stainless steel body for a longer life and
greater of reliability.
• Weather cap offered as standard equipment
for energy conservation.
TECHNICAL DATA
Size: DN 10-25 (NPS ⅜ - 1)
Temperature: Up to 450 °C (842 °F)
Connection: Socket weld (ASME, JIS) Screwed end (ISO 7-1) Flanged (ASME, JIS, JPE)
Pressure: Up to 5 MPa (725 psi)
Back pressure: Up to 80%
Materials: Stainless steel
Data Sheets: Yarway Disc Steam Traps Series 129YB, 129Y-III/YF, 129YH,

