Type L Tension Thick 0.4mm Air Conditioning Copper Tubing
General LL Type production capacity |
General specifications of L Type fin tubes |
Finning Facility: 7 finning machines; |
Tube OD: 50.8mm max. |
LL Type Finned Tube (LL-Wound Fin Tubes) process: Fins made by wrapping base tube with fin strip, as in the case of type ‘L’ Tension Wound Type. |
Introduction:
The fin strip (normally aluminum and copper) is folded into an L SHAPE and wound onto the base tube surface under tension. The feet of the fins are joined together and cover the finned surface. All the goods shall be Zinc or Aluminum metalized applied by an electro spray arc system coating, and when all tubes ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of L Type Tension Wound Finned Tube, it will be delivered. Besides, we provide Tube Support Box, Clamp or Spacer Box (Material: Aluminum, Zinc and Stainless Steel).
Acceptance Criteria
API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions (TDC).
Packing:
The desiccants are put into each package for continental transportation as well.
All dimensions are in Inches and specification upon your requests. |
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Tube OD |
Fin Height |
Fin Thickness |
Fins per Pitch |
5/8 |
/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
3/4 |
5/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
1 |
5/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
1 1/4 |
5/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
1 1/2 |
5/8,1/2 |
.015/.016/ .020 |
6, 7, 8, 9, 10, 11, 12 |
Our Service:
1. Inquiry-Professional quotation, or send inquiry item more details, we start contact more details
2. Confirm the price, lead time, payment term etc
3. Our sales send the Proforma Invoice with our seal, or you order online to us
4. Customer make the payment for deposit and send us Bank receipt
5. Initial Production Stage-Inform the clients that we have got the payment, and will make the samples according to your request, send you photos or samples to get your approval. After approval, we inform that we will arrange the production & inform the estimated time
6. Middle Production-send photos to show the production line which you can see you products. Confirm the estimated delivery time again.
7. End Production-Mass production products photos and samples will send to you for approval. You can also arrange the third party inspection
8. Clients make payment for balance and ship goods, inform the tracking number and check the status for clients
9. Order can be say "finish" when you receive the goods and satisfy with them
10. Feedback to our about Quality, Service, Market Feedback & Suggestion. And we can do better