Products
Steam Trap Solutions for Power Plant High Pressure Superheat Applications
Flowserve Gestra offers a complete line of bimetallic thermostatic steam traps specifically designed for severe service power plant applications.
Features and Benefits

- Zero steam loss thermostatic technology offers the highest degree of energy savings
- Robust bimetallic regulator for superheated operating conditions not affected by waterhammer or ambient conditions
- Normally open function allows for automatic air-venting and high ratio startup to hot load capacities for improved startup
- Installation in any position as the operation is unaffected by orientation of pipeline
- Staged nozzle design provides non-return check valve action
- Inline repairable with internal components made of corrosion resistant stainless steels
- Complete series of products for services up to 3,625 psi ΔP
- Factory repair and spare parts available with guaranteed 48 hour turnaround
| Model | Size | MaxΔP | Material | End Connections |
| BK45 | 1/2" - 1" | 320 psi | A105 | SW / NPT / FLG |
| BK46 | 1/2" - 1" | 465 psi | A182 F1 | SW / NPT / FLG |
| BK37 | 1/2" - 1" | 650 psi | A182 F12 | SW / BW / NPT / FLG |
| BK28 | 1/2" - 1" | 1,230 psi | A182 F12 | SW / BW / NPT / FLG |
| BK29 | 1/2" - 1" | 1,600 psi | A182 F12 | SW / BW / FLG |
| BK212 | 1/2" - 1" | 3,625 psi | F22 | SW / BW / FLG |
| BK212HT | 1/2" - 1" | 3,625 psi | F22 w/ DIN Bolting | SW |
| BK212EX | 1/2" - 1" | 3,625 psi | F91 | SW |

Additional Flowserve Gestra products designed specifically for power plant applications include:
- Boiler conductivity transmitters
- Boiler level switches and transmitters
- Continuous blowdown valves & systems
- Intermittent blowoff valves & systems
- Feedwater recirculation valves
- Spray attemperators
- Spray attemperator valves
- Soot blower pressure regulating valves
- Handheld steam trap testing equipment
- Steam trap surveying and management
For more information about Gestra products, you can send us an email or call us at 1-502-267-2205.

