Item

Heat pump Type

Operation medium

Operation pressure

(MPa)

Application

1

Φ16/Φ9.52/Φ12.7

Copper tube with aluminium fin

Cold/hot water

≤1.6

Used for combined air handling unit, fan coil etc air conditioning devices

2

Φ18/Φ20

Steel pipe winding with steel sheet

Steam

≤0.2

Used for combined air handling unit, fan coil etc air conditioning devices

3

Φ16/Φ9.52/Φ12.7

Copper tube with aluminium fin

Brine

≤1.6

Used for heat transfer in cold storage and all kinds of low temperature systems

4

Φ9.52/Φ7.94/Φ7

Copper tube with aluminium fin

Ethylene glycol

≤1.6

Used of energy recovery and low temperature system devices

5

Φ16

Copper tube with aluminium fin

Ice mud

≤1.6

Used for dry operation condition, fresh air dehumidification etc systems

6

Φ9.52/Φ7.94/Φ7

Copper tube with aluminium fin

R22

≤1.9

Used for industry and commerce air conditioning system

7

Φ9.52/Φ7.94/Φ7

Copper tube with aluminium fin

R407C

≤1.9

Used for industry and commerce air conditioning system

8

Φ9.52/Φ7.94/Φ7

Copper tube with aluminium fin

R134a

≤3.1

Used for vehicle and vessel etc transportation devices