- Operation Animations
- Steam Traps
- Free Float® Steam Traps for Main Lines: SS series
- Free Float® Steam Traps (Low Pressure): JX/JHX series
- Disc-Type Steam Traps: ThermoDyne®
- Disc-Type Steam Traps: PowerDyne®
- Thermostatic Steam Traps: L-Series
- Temperature Control Traps: LEX-3N TZ
- Condensate Recovery
- PowerTrap® (Mechanical Pump with Built-in Trap): GT-10
- PowerTrap® (Mechanical Pump): GP-10
- Pressure Reducing Valves
- Pressure Reducing Valves (Direct Acting for Steam and Air): DR20
- Cyclone Separators
- Cyclone Separators for Steam (with Built-in Trap): DC series
- Strainers, Sight Glasses and Other
- Automatic Non-freeze Valves: NF6
- Air Vents
- Automatic Air Vents: VS1C
- Rapid Initial Air Vents: VA series
- Air Vents for Steam: LA series
- Air and Drain Traps
- Air Traps for High Viscosity Condensate: TATSU2
- Packaged Systems
- Heat Exchanger Systems: SR series
NF6 Automatic Non-freeze Valve
When the system is operating and steam pressure is acting inside the steam trap, the non-freeze valve remains closed.
Once steam supply has ceased and pressure within the trap falls to about 0.02MPaG, the reduced pressure acting on the internal spring causes the non-freeze valve to open.
Condensate that has accumulated in the trap is then discharged through the opening.
Once steam supply is restored, the pressure inside the trap begins to rise again. After reaching approximately 0.03MPaG, the pressure begins to act on the spring, causing the non-freeze valve to close. At pressures of 0.03MPaG and above, the valve will continue to remain shut.