Inner Grooved Coil

Inner Grooved Coil
Product Details

Inner Grooved Coil


Inner Grooved Coil

Application: the even and compact structure , the highly precise dimension , the normative and integrity groove shape , the low interior surface residuum etc., the inside surface area increases 65~100% than that of the same specification of plain copper tube, the heat transfer coefficient is about 1.8~2.0 times of that of same specification of plain tube, inner grooved copper tube is widely applied to the Air Conditioner, the Assembly Type Air Conditioning Unit, the Residential Central Air Conditioning, Show Case Refrigerator which is in conformance with the developing tendency of the Air Conditioner and Refrigerator to the high efficiency, the energy saving.

Standard: ASTM B280, ASTM B68 standard, EN 12735 standard, AS 1571 standard and JIS H3300 standard.

Temper: O60

Package: packed individually by reel, 6-7 coils packed by one pallet


Product code and size

Product CodeDescription
HTCD4Inner Grooved Coil 4mmxLWC, soft annealed
HTCD476Inner Grooved Coil 3/16"xLWC, soft annealed
HTCD5Inner Grooved Coil 5mmxLWC, soft annealed
HTCD6Inner Grooved Coil 6mmxLWC, soft annealed
HTCD635Inner Grooved Coil 1/4"xLWC, soft annealed
HTCD7Inner Grooved Coil 7mmxLWC, soft annealed
HTCD794Inner Grooved Coil 5/16"xLWC, soft annealed
HTCD952Inner Grooved Coil 3/8"xLWC, soft annealed

Technical information

O.D.(Inch)Bottom Wall Thickness TwFin Groove Depth Hf
InchmmInchmmInchmm
0.157540.008~ 0.0120.20 ~ 0.300.004~ 0.0060.10 ~ 0.15
0.18754.760.008~ 0.0140.20 ~ 0.350.004~ 0.0060.10 ~ 0.15
0.19750.008~ 0.0140.20 ~ 0.350.004~ 0.0060.10 ~ 0.15
0.236360.008~ 0.0140.20 ~ 0.350.004~ 0.0080.10 ~ 0.20
0.256.350.008~ 0.0140.20 ~ 0.350.004~ 0.0080.10 ~ 0.20
0.27570.01~ 0.0160.20 ~ 0.410.004~ 0.0100.10 ~ 0.25
0.31257.940.01~ 0.0160.20 ~ 0.410.004~ 0.0100.10 ~ 0.25
0.3759.520.01~ 0.0160.20 ~ 0.460.004~ 0.0120.10 ~ 0.30

■ Apex Angle(Tolerance) α 30 ~ 90

■ Helix Angle Deg(Tolerance)β15 ~ 30

■ Number of Tooth(Number) 40 ~ 70


With over 16 years' experience in AC & refrigeration markets, Vestar International is known as one of the professional China manufacturers of inner grooved coil. Our products made in China are high in quality and reliable in performance. Offering customized service, we warmly welcome you to wholesale our quality products in stock.

Feedback