Steam Trap Cross Reference Charts and Y Strainers

LEAKY TRAPS ARE HUGE ENERGY WASTERS! Early replacement gives FAST payback

Thermostatic Steam Trap Cross-Reference Chart

These are the most popular type of traps for buildings heated by steam radiators. The models shown are the most popular sizes for some of the best known brands. This chart will assist you in quickly selecting the size and brand you want to replace.

Part # Manu Size Pattern  
122A Barnes & Jones 1/2" Angle Call... Add to Order
122S Barnes & Jones 1/2" Straight Call... Add to Order
134A Barnes & Jones 3/4" Angle Call... Add to Order
147A Barnes & Jones 1" Angle Call... Add to Order
1E-AP Dunham-Bush 1/2" Angle Call... Add to Order
1E-SW Dunham-Bush 1/2" Straight Call... Add to Order
2E-AP Dunham-Bush 3/4" Angle Call... Add to Order
3C-AP Dunham-Bush 1" Angle Call... Add to Order
401536 Hoffman 1/2" Angle Call... Add to Order
401551 Hoffman 1/2" Straight Call... Add to Order
402003 Hoffman 3/4" Angle Call... Add to Order
402005 Hoffman 1" Angle Call... Add to Order
TH-25 Sarco 1/2" Straight Call... Add to Order
HMM-RTU-D-N-ETH-MC Sarco 1/2" Angle Call... Add to Order
HMM-RTU-D-N-ETH Sarco 3/4" Angle Call... Add to Order
HMM-RTU-D-N Sarco 1" Angle Call... Add to Order

Float and Thermostatic Traps

Used with steam equipment to release condensate and air simultaneously. Provides extra capacity on start-up.

Part # MFG Size  
30-8AS Dunham-Bush 2 Call... Add to Order
40-215 Dunham-Bush 3/4 Call... Add to Order
40-415 Dunham-Bush 1 Call... Add to Order
40-515 Dunham-Bush 1-1/4 Call... Add to Order
40-715 Dunham-Bush 1-1/2 Call... Add to Order
401626 Hoffman 1-1/2 Call... Add to Order
401629 Hoffman 2 Call... Add to Order
404200 Hoffman 3/4 Call... Add to Order
404210 Hoffman 1 Call... Add to Order
404220 Hoffman 1-1/4 Call... Add to Order
HMPS-100-12-SCS Sarco 3/4 Call... Add to Order
HMMU-8 Sarco 1 Call... Add to Order
HMMU-24 Sarco 1-1/4 Call... Add to Order
HMMU-16 Sarco 1-1/2 Call... Add to Order
HMM-RTU-Y-N-MC Sarco 2 Call... Add to Order

Thermodisc Steam Trap Cross-Reference Chart

All stainless Thermodisc steam traps are designed for applications having light to moderate condensate loads. Thermodisc traps are excellent for high pressure drip and steam tracing applications.

Part # Mfr Size  
405151 Hoffman 3/8" Call... Add to Order
405152 Hoffman 1/2" Call... Add to Order
405153 Hoffman 3/4" Call... Add to Order
405154 Hoffman 1" Call... Add to Order
DTA-3 Dunham-Bush 3/8" Call... Add to Order
MD-4 Dunham-Bush 1/2" Call... Add to Order
MD-6 Dunham-Bush 3/4" Call... Add to Order
MD-8 Dunham-Bush 1" Call... Add to Order
HMM-RTU-Y-N-ETH-MC Sarco 3/8" Call... Add to Order
HMM-RTU-Y-N-ETH Sarco 1/2" Call... Add to Order
HMM-RTU-Y-N Sarco 3/4" Call... Add to Order
HMM-RTU-D-N-MC Sarco 1" Call... Add to Order

Pipeline “Y” Strainers

The two biggest causes of failure of steam traps are oversizing and dirt. Be sure to inspect, blow-down and repair your strainers regularly. Install strainers in front of all your traps and control valves, especially temperature regulating and/or pressure reducing valves and steam traps to protect their moving parts. Protect working parts from damage caused by dirt, scale, and impurities. “Y” strainers are designed for steam, oil or water lines.

ORDERING INFORMATION
Pipeline Strainer Cross Reference Chart
Type Construction Size Range Stem Pressure
IT Cast Iron Threaded 1/4'' to 3'' 250
BT Bronze Threaded
CT Cast Steel Threaded 1/2'' to 2'' 600
CI-125 Cast Iron Flanged 2'' to 8'' 125
F-125 10'' to 18''
CI-250 2'' to 4'' 250
F-250 5'' to 16''