Inner Grooved Tube

Detailed Product Description

Speacifications:

O.D.:7.0~16.0mm

Bottom Wall:0.27~1.1mm

Fin Height:0.15~0.30mm

Helix Angle: 18·-28·

IGT which is also called inner ridged tube or inner finned tube is mainly used for direct water chiller on air conditioning applications where water is cooled down on the outside of the tube by refrigerant boiling and expanding inside tube.Also they are used in heat exchangers.

IGT has 1.5-2times the average inside heat transfer coefficient of the same size of plain tube.

IGT is generally sipplied in straight lengths for easy installation.For the size of IGT please refer to as following picture and dimension.The special requirement about specifications of fin and ends can be prompted upon request.

INNER GROOVED TUBE

Serial Number	Outside Dia.(Do)	Botton Wall (Tw)	Ridge Heigh(Hf)	Helix Angle Deg.
IG7002715	7.00	0.27	0.15	18
IG7942815	7.94	0.28	0.15	18
IG9522815	9.52	0.28	0.15	18
IG9523020	9.52	0.30	0.20	18
IG12704525	12.70	0.45	0.25	18/28
IG12705130	12.70	0.51	0.30	18
IG12705525	12.70	0.55	0.25	18
IG15885130	15.88	0.51	0.30	18
IG15885330	15.88	0.53	0.30	18