Hoffman Specialty 404210 FT015H-4 Float & Thermostatic Steam Trap (1 Inch NPT, 15 PSI Max)
Hoffman Specialty 404210 FT015H-4 Float & Thermostatic Steam Trap (1 Inch NPT, 15 PSI Max)
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Hoffman Specialty 404210 (FT015H-4) Float & Thermostatic Steam Trap
Engineered for continuous condensate evacuation and instant non-condensable gas venting in low-pressure steam heating systems, the Hoffman Specialty 404210 (Series FT015H-4) is a heavy-duty Float and Thermostatic (F&T) steam trap designed for commercial boiler rooms and industrial process networks. Featuring a 1" NPT female threaded body and a 15 PSI maximum operating pressure differential, this unit is engineered for steam main drips, unit heaters, blast coils, and heat exchangers.
The FT015H-4 utilizes an inline H-pattern body design with universal side piping ports, permitting flexible installation in straight-through or right-angle pipe arrangements. Its balanced thermostatic air element expels air fast during startup to prevent cold-air binding, while a precision stainless steel float and valve mechanism modulates continuously to release condensate without steam loss.
Key System Performance Baselines:
- H-Pattern Connection Versatility: Dual inlet/outlet side ports allow for simplified piping layouts and easy drop-in replacement.
- Continuous Modulated Drainage: Modulating lever and float automatically adjust discharge rates based on real-time condensate loading.
- Thermostatic Air Venting: Internal air vent element discharges non-condensable gases during cold system startups to optimize system heating efficiency.
- Cast Iron Body Trim: ASTM Class B cast iron housing housing all-stainless steel internal floats, levers, pins, and valve seats.
⚠️ Application Profile: Recommended for low-pressure steam main drips, commercial unit heaters, heat exchangers, air handling coils, and condensate recovery systems requiring up to 15 PSI differential capacity.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 404210 |
| Model Designation | FT015H-4 (Series H F&T Trap) |
| Pipe Connection Size | 1" NPT (Female Threaded) |
| Max Operating Pressure Differential | 15 PSI (1.0 bar) |
| Max Body Design Pressure / Temp | 250 PSIG @ 406°F (17.3 bar @ 208°C) |
| Body Construction | Cast Iron (ASTM A126 Class B) |
| Internal Trim & Float Material | Stainless Steel Valve Seat, Pin, Float & Lever |
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