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FJV Danfoss
Self-acting temperature controller

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Kvs m³/h

dP= 0.0 kPa

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technical
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DN mm	Kvs m³/h	dPmax bar	L mm	Xp °C	Tc seс	dT °C	price
15	1.9	10	72	16		20 - 60	add your price
20	3.4	10	90	16		20 - 60	add your price
25	5.5	10	95	16		20 - 60	add your price

DN - nominal diameter, mm.

Тс - time constant, sec.

L - length along the pipeline axis, mm.

dT - range of temperatures maintained by the controller, °C.

dPmax - maximum pressure drop across the controller, bar.

Xp - proportional band corresponds to the temperature deviation in °C from the setpoint at which the valve of the controller will go to the extreme position.

Kvs - flow coefficient, corresponds to the water flow rate in m³/h at which the pressure drop across the controller will be 1 bar.

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Kvs
Flow coefficient

10 0.250.400.500.6311.61.71.922.32.52.733.13.23.33.43.644.55.05.25.55.766.36.57.288.69.2101113151620222425263233374050606170808182109110125160190280420 m³/h

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°C

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RTB
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RT 122 T
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