Ancillary Equipment
Lower your maintenance cost with Johnston's durable designs to customize each system to maximize your savings. Every System is designed to save you money.
Deaerator
- Maximum 02 of .005 cc/l and zero C02
- Designed, constructed, and stamped for Section VIII, Division I, Unfired Pressure Vessel
- Ten year warranty on pressure vessel and internals
- 1/16″ Corrosion allowance is designed into each pressure vessel
- All undeaerated sections are constructed using stainless steel internals
- Stainless steel tray bundles incorporate riveted design allowing for thermal expansion
Series 200
Two Stage Spray Type Deaerator
- 20:1 turndown
- Reduces corrosion in boilers, pumps, and pipes
Series 240 & 250
Two Stage Tray Type Deaerator
- Suitable for high pressure returns
- Minimal steam requirements over 100:1 turndown
Series 285
Tray Type Deaerator and High Pressure Condensation Return
- High pressure condensate is returned directly to the boiler.
- Deaerator section is only used as make-up water is needed.
Series 550
Continuous Blowoff Heat Recovery
- Uses continuous blowoff from the boiler to preheat make-up water
- Returns flash steam back to the deaerator
Series 557
Intermittent Blowoff Tank
- Pre-cools condensate prior to drain
- Mixes stored condensate with blowdown to minimize cooling water requirements
Series 285
Tray Type Deaerator and High Pressure Condensation Return
- Maintains BTU value of high pressure returns
- Feed condensate to the boiler directly
- Lower Delta T between condensate return and boiler operating temperature
- Suitable for high pressure returns