Rapid Recovery Cylinder Coils

[John.g]

Is there a standard for the above?, ie primary flow rate, primary flow temperature, reheat time from X degC to Y degC, continuous flow rates at different temperatures and coil area.
It would be very useful if, at the very least it specified the design primary flowrate and temperature, and the recovery time. The recovery time and coil area are often given but the primary flow temperature has a enormous effect on the coil output and to a lesser degree, the primary flowrate. Some, like the examples below infer (if not specified) primary flow temperatures of > 85C but do give the primary flow rates and cold water temperature. These numbers are from a "cylinder in cylinder" type, but it would be nice to see something similar for the coil type.

Water Capacity Litres​	​	130​	161​	203​	242​	293​
Heating surface M2​	​	1.13​	1.26​	1.54​	1.94​	2.28​
Primary FlowRate LPM​	​	35​	43​	58​	70​	88​
​	​	​	​	​	​	​
Litres in first 10 minutes​	40°C​	236​	321​	406​	547​	700​
Litres in first 10 minutes​	45°C​	202​	275​	348​	469​	600​
Litres in first 10 minutes​	60°C​	117​	161​	209​	272​	337​
Litres in first hour​	40°C​	784​	1063​	1349​	1820​	2319​
Litres in first hour​	45°C​	672​	911​	1156​	1560​	1988​
Litres in first hour​	60°C​	384​	549​	689​	913​	1165​
Continuous flow 40°C​	Ltrs/hr​	658​	890​	1132​	1527​	1943​
Continuous flow 45°C​	Ltrs/hr​	564​	763​	970​	1309​	1665​
Continuous flow 60°C​	Ltrs/hr​	320​	465​	576​	769​	994​
Initial heat up time 10°C to 85°C​	min​	22​	22​	20​	20​	20​