Feedwater Valves

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Feedwater Valves

Our precision-engineered boiler feedwater valves ensure consistent, regulated water flow for safe, stable steam generation.

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These feedwater valves are compatible with most OEM boilers.

  • 50FWCV
    1/2" Direct Drive - Linkageless - 135 Ohm Signal
  • 75FWCV
    3/4" Direct Drive - Linkageless - 135 Ohm Signal
  • 100FWCV
    1" Direct Drive - Linkageless - 135 Ohm Signal
  • 125FWCV
    1-1/4" Direct Drive - Linkageless - 135 Ohm Signal
  • 150FWCV
    1-1/2- Direct Drive - Linkageless - 135 Ohm Signal
  • 2FWCV
    2" Direct Drive - Linkageless - 135 Ohm Signal
  • 50FWCV-A
    1/2" Direct Drive - Linkageless - 4-20 mA Signal
  • 75FWCV-A
    3/4" Direct Drive - Linkageless - 4-20 mA Signal
  • 100FWCV-A
    1" Direct Drive - Linkageless - 4-20 mA Signal
  • 125FWCV-A
    1-1/4" Direct Drive - Linkageless - 4-20 mA Signal
  • 150FWCV-A
    1-1/2- Direct Drive - Linkageless - 4-20 mA Signal
  • 2FWCV-A
    2" Direct Drive - Linkageless - 4-20 mA Signal
  • 1/2-FNW320A/ABZ-005L-XMA108
    1/2" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 135 Ohm Signal
  • 3/4-FNW320A/ABZ-005L-XMA108
    3/4" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 135 Ohm Signal
  • 1-FNW320A/ABZ-005L-XMA108
    1" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 135 Ohm Signal
  • 1-1/4-FNW320A/ABZ-005L-XMA108
    1-1/4" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 135 Ohm Signal
  • 1-1/2-FNW320A/ABZ-005L-XMA108
    1-1/2- Direct Drive - Linkageless - Open Close Indicator & Manual Override - 135 Ohm Signal
  • 2-FNW320A/ABZ-005L-XMA108
    2" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 135 Ohm Signal
  • 1/2-FNW320A/ABZ-005L
    1/2" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 4-20 mA Signal
  • 3/4-FNW320A/ABZ-005L
    3/4" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 4-20 mA Signal
  • 1-FNW320A/ABZ-005L
    1" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 4-20 mA Signal
  • 1-1/4-FNW320A/ABZ-005L
    1-1/4" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 4-20 mA Signal
  • 1-1/2-FNW320A/ABZ-005L
    1-1/2- Direct Drive - Linkageless - Open Close Indicator & Manual Override - 4-20 mA Signal
  • 2-FNW320A/ABZ-005L
    2" Direct Drive - Linkageless - Open Close Indicator & Manual Override - 4-20 mA Signal

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Frequently Asked Questions About Blower Motors

A boiler feedwater valve acts as a vital regulator, controlling the volume of water entering the boiler to maintain consistent, safe steam drum levels. By precisely metering this flow, the valve ensures the boiler avoids dangerous low-water conditions, which can lead to overheating and catastrophic vessel damage, while also preventing overfilling that could result in water carryover into steam lines. Proper operation of these valves is essential for maintaining steam quality and protecting the longevity of your boiler’s internal components.

Because feedwater valves are subject to constant fluid pressure and mechanical wear, they can develop issues over time that directly impact system stability. Watch for warning signs such as erratic water level fluctuations in the sight glass, persistent “hunting” where the valve opens and closes rapidly without stabilizing, or visible leakage around the valve stem packing. If you observe these symptoms, it often indicates seat erosion, diaphragm failure, or debris blockage within the valve, requiring immediate inspection and replacement with high-quality components to ensure your boiler returns to safe, automated operation.

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