Brand Name: RETEK
Model Number: 2 Layer Wire Tube Condenser
Place of Origin: CHINA
3 layer freezer wire tube condenser
1. Main material:
Rolling welded steel pipe: OD 4.76 to 6.35
Wall thickness: 0.7
Low carbon steel wire OD 1.4 to 1.5
Bracket:
Steel plate (SPCC) thickness: 0.6 to 1.5
Steel plate (SPCC) thickness: 0.3 to 0.4
2.Structure:
Flat type of wire on tube condenser used at the back
Bended or spiral type of wire on tube condenser used at the bottom
Wrapped type of tube embedded on plate
3.Technical ability:
Wire pitch: ≥ 5mm
Can produce according to your drawing or sample, and can also help you design and produce different condensers
4.Performance:
Surface with electrophoresis coating to prevent the corrosion
Inner cleanliness can meet the requirements of CFC and R134a cooling system
Can satisfy the cooling capability requirements
5. Inspection:
No | class | standard | |||||
1,straight ,cutting, expending | C | 1.1φ4.76×0.71-0.1Bundy tube,hardness HV110~130;check | |||||
every coil with the pressure. | |||||||
1.2make tube round ,straight without distortion. | |||||||
1.3 The surface of tube is without obvious scratch ,hurt and the Cu- | |||||||
coat is bright.No burrs; | |||||||
1.4 straighting tube acc. to spec.; | |||||||
1.5 expanding with wthanol which no water as for lubricant,lubricating oil forbidden; | |||||||
1.6expanding without crack distortion; and the end no deflection. | |||||||
2,bending | C | 2.1 R accord with drawing,no distinct crinkle,imprint,etc. | |||||
The R position's min/max OD's ratio no less than 85% ; | |||||||
2.2 tube straight,space uniformity; | |||||||
2.3 The spec of bending acc with drawing. | |||||||
3,welding | B | 3.1 The Spec of wireφ1.57-0.25,length acc with drawing,end of wire | |||||
milling into the round ,no burrs . | |||||||
3.2 wire stright,surface clean,no rust,screw thread trace and | |||||||
bend;wire bend test:180°bend 5 times ,no crack; | |||||||
3.3 the array of wires in order,no missing,mistake,superposing. | |||||||
3.4 welding machine electode pressure's fluctuation is 0.4~0.9MPa,welding time1~13ms; | |||||||
3.5 wires and tubes' welding tightness , firm;no missing extra, | |||||||
burn situations ; | |||||||
3.6 The extended length of two ends of wires tidiness consistent,no clear stave; | |||||||
3.7single piece level off,level off's level<1.5mm,space between tubes acc with drawing; | |||||||
4,elbow and single copper welding | B | 4.1 Single piece's bend end need to bend into angle ,the R place no clean distrtion | |||||
,crack,crimple; | |||||||
4.2 bend end and the round end's R acc with drawing; | |||||||
4.3 braze technics criterion:(collect conduit aire feed)oxygen pressure0.4~ | |||||||
1.5MPa,ethine pressure0.04~0.22MPa,use neutral flame; | |||||||
4.4 welding points shown 6~10mm strip and cake shape,surface smooth,no sunken, | |||||||
solder burl , and burn the tube . Space between welding gap is 2+/- 0.5mm. |
Best Regards,
Angie
Mobile & what's APP: 0086 185 6012 5536
Wechat: 0086 185 6012 5536
Email: angie@retekool.com