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US3407829A
|
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Diaphragm actuated control valve
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US3253612A
|
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Valve having an adjustable stop
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US3162208A
|
|
Thermodynamic trap
|
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US3099431A
|
|
Valve with stem seal
|
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US3103232A
|
|
Pressure reducing valves
|
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US2920155A
|
|
Indicating and controlling apparatus
|
|
ES224250A3
|
|
A thermodynamic system for the activation of automatic water purge valves (Machine-translation by Google Translate, not legally binding)
|
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US2817353A
|
|
Thermodynamic steam trap
|
|
US2412218A
|
|
Control device
|
|
US2335250A
|
|
Steam and water mixing device
|
|
US2355043A
|
|
Thermostatically controlled valve
|
|
US2227258A
|
|
Fluid control device
|
|
GB457441A
|
|
Improvements in steam traps
|
|
GB445238A
|
|
Improvements in steam traps
|
|
FR794471A
|
|
Improvements to valves and separators
|
|
FR770925A
|
|
Improvements to automatic steam traps and similar devices
|
|
US2053759A
|
|
Heating system
|
|
GB377522A
|
|
Pressure-temperature method and apparatus for the control of heating
|
|
US2046760A
|
|
Heating apparatus
|
|
US1969492A
|
|
Pressure temperature method and apparatus for the control of heating
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