Series 44
Bimetal Snap Traps
A single curved bimetal disc gives a crisp on-off discharge of subcooled condensate at around 200 °F, regardless of inlet pressure, for winterization tracing.
- Max pressure
- 200 psi (14 bar)
- Max temperature
- 750 °F (400 °C)
- Body rating
- ANSI Class 300
- Sizes
- 3⁄8" and 1⁄2" NPT
Applications
Winterization applications with condensate discharge to atmosphere or open drain systems.
Operating principle
A single, curved bimetal disc senses the trap inlet temperature and provides an on-off discharge at around 200 °F (93 °C), regardless of inlet pressure.
Design features
- 100% thermal efficiency
- Subcooled on-off condensate discharge
- Self-draining and freeze-proof
- Resistance to corrosion and hydraulic shocks
- Excellent back pressure capability
- Venting of non-condensable air and gases
- Compact and light weight; easy installation
- All stainless steel trap
Capacities and seat orifices
Parts and materials
| Item | Part | Material |
|---|---|---|
| 1 | Inlet fitting | Stainless steel |
| 2 | Body housing | Stainless steel |
| 3 | Name plate | Aluminum |
| 4 | Body plate | Stainless steel |
| 5 | Outlet fitting | Stainless steel |
| 6 | Disc guide | Stainless steel |
| 7 | Bimetal disc | Corrosion resistant bimetal |
| 8 | Screen | Stainless steel |
| 9 | Compression spring | Stainless steel |
Dimensions and weights
| End connectionin (DN) | “W” Øin (mm) | “L”in (mm) | Weightlb (kg) |
|---|---|---|---|
| 3⁄8 (10) | 2 1⁄2 (64) | 2 3⁄4 (70) | 1.04 (0.47) |
| 1⁄2 (15) | 2 1⁄2 (64) | 2 3⁄4 (70) | 1.08 (0.49) |
| 3⁄4 (20) | 2 1⁄2 (64) | 2 3⁄4 (70) | 1.14 (0.52) |
Installation
Install trap vertically downward with a strainer at the trap inlet for optimum operation.