WVO
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WVO
Pressure operated water valve type WVO is used for regulating the flow of water in refrigeration plant with water-cooled condensers. The pressure operated water valve gives modulating regulation of the condensing pressure and so keeps it constant during operation. When the refrigeration plant is stopped, the cooling water flow is shut off automatically. Pressure operated water valve can be used with flammable refrigerants. Double sealing between the refrigerant and the water line ensures that in case the bellows damage and the refrigerant leak, it cannot enter into the water. This severely limits the safety implications. It means that the valve can be used together with a double walled heat exchanger and water circuit in such a system does not need to be considered as a part of the installation for flammable refrigerants (EN378-1:2008, clause 4.4.2.2).
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Shows 10 product(s)
003N5203
Pressure operated water valve, WVO 10, 8 bar - 12 bar, 1.4 m³/h
Connection type: G, Connection size [in]: 3/8, Kv value [m³/h]: 1.4, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 8 - 12, Connection size (refrigerant): 1/4 in - 6 mm, Connection type (refrigerant): SAE flare
003N5206
Pressure operated water valve, WVO 10, 14 bar - 18 bar, 1.4 m³/h
Connection type: G, Connection size [in]: 3/8, Kv value [m³/h]: 1.4, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 14 - 18, Connection size (refrigerant): 1/4 in - 6 mm, Connection type (refrigerant): SAE flare
003N5207
Pressure operated water valve, WVO 10, 16 bar - 20 bar, 1.4 m³/h
Connection type: G, Connection size [in]: 3/8, Kv value [m³/h]: 1.4, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 16 - 20, Connection size (refrigerant): 1/4 in - 6 mm, Connection type (refrigerant): SAE flare
003N5216
Pressure operated water valve, WVO 15, 14 bar - 18 bar, 1.9 m³/h
Connection type: G, Connection size [in]: 1/2, Kv value [m³/h]: 1.9, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 14 - 18, Connection size (refrigerant): 1/4 in - 6 mm, Connection type (refrigerant): SAE flare
003N6212
Pressure operated water valve, WVO 10, 16 bar - 20 bar, 1.4 m³/h
Connection type: G, Connection size [in]: 3/8, Kv value [m³/h]: 1.4, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 16 - 20, Connection size (refrigerant): 1/4 in - 6 mm, Connection type (refrigerant): SAE flare union nut
003N6215
Pressure operated water valve, WVO 20, 6 bar - 10 bar, 3.4 m³/h
Connection type: G, Connection size [in]: 3/4, Kv value [m³/h]: 3.4, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 6 - 10, Connection size (refrigerant): 1/4 in - 6 mm, Connection type (refrigerant): SAE flare union nut
003N6220
Pressure operated water valve, WVO 10, 16 bar - 22 bar, 1.4 m³/h
Connection type: G, Connection size [in]: 3/8, Kv value [m³/h]: 1.4, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 16 - 22
003N6232
Pressure operated water valve, WVO 20, 16 bar - 20 bar, 3.4 m³/h
Connection type: G, Connection size [in]: 3/4, Kv value [m³/h]: 3.4, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 16 - 20, Connection size (refrigerant): 1/4 in - 6 mm, Connection type (refrigerant): SAE flare union nut
003N8054
Pressure operated water valve, WVO 10, 16.2 bar, 0.63 m³/h
Connection type: G, Connection size [in]: 3/8, Kv value [m³/h]: 0.63, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 16.2, Connection size (refrigerant): 1/4 in - 6 mm, Connection type (refrigerant): Solder, ODF
003N8066
Pressure operated water valve, WVO 15, 14 bar - 18 bar, 1.9 m³/h
Connection type: NPT, Connection size [in]: 1/2-14, Kv value [m³/h]: 1.9, Opening configuration: Opens on rising cond. pressure, Control pressure range [bar]: 14 - 18, Connection size (refrigerant): 1/4 in - 6 mm, Connection type (refrigerant): SAE flare union nut