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Lord Fin Tube-Finned Tube For Economizer,Finned Tube For Evaporator

Finned Tubes Specifications and Requirements

Finned Tube for Economizer:

- Size: Diameter 31.8mm x 1760mm x thickness 2.9

- Quantity: 360

Finned Tube for Evaporator:

- Size: Diameter 44.5mm x 1760mm x thickness 2.9

- Quantity: 528

Revised Tube Quantities:

- Please note the updated quantities as specified above.

Testing and Documents Included in the Offer:

- Hydrostatic test of each tube.

- Eddy Current test of each tube.

Finned Tube Documents & Certificates Required with Supply:

1. Material Test Report

2. Dimensional Check Report

3. Hydrostatic Test Report (Detailed) at 30 Bar

4. Eddy Current Test Report (Detailed)

5. Mill Test Certificate

Finned Tube Additional Information:

- For tubes material SA-192, SS fining is possible.

- Question raised on whether SS409 fins material can withstand corrosion - this needs clarification and detailed examination.

Other Tube Specifications:

1. Finned Tubes for Fin Fan 62e6213 # 2 Hdu:

   - Finned Tubes: OD 1" x 14 BWG x 42 Feet Long

   - Material: A213, Type SS 316L, and Aluminum (Spec 6063; 2-1/4" OD x 0.017" Thick x 10 Fins/Inch)

   - Test Certificate Required: 190 Each

2. Finned Tubes for Fin Fan 62e6214 # 2 Hdu:

   - Finned Tubes: OD 1" x 14 BWG x 42 (504") Long

   - Material: CS SA 179 with Aluminum (6063) Extruded Serrated Fins

   - Test Certificate Required: 525 Each

3. Finned Tubes for Fin Fan 62e6204/C # 2 Hdu:

   - Finned Tubes: OD 1" x 11 BWG x 42 (504") Long

   - Material: CS SA 179 with Aluminum (6063-0) Extruded Serrated Fins

   - Test Certificate Required: 550 Each

4. Super Duplex Tube:

   - Tube: 19.053mm (3/4") OD x 16 BWG x 6096mm (20 Ft) Length

   - Material: SA789 TP UNS32750

   - Test Certificate Required: 48 Each

5. U Tubes for 62e6201c # 2 Hdu - LSFO:

   - U Tubes: 19.05mm OD x 2.77mm M.W Thk (12 BWG) x 6096mm Straight Length

   - Material: SA 179

   - Test Certificate Required: 812 Each

6. Tubes for 62e6208 & 62e6209 # 2 Hdu - LSFO:

   - Tubes: 1" OD x 14 BWG (0.083") x 192" Long with Aluminum Fins (10 Fins/Inch)

   - Test Certificate Required: 212 Each

7. Finned Tubes for 62e6203 # 2 Hdu - LSFO:

   - Finned Tubes: 1" OD x 12 BWG x 12,802mm Long SA 179 x 40mm Un-Finned Both Ends with Aluminum Fins (7 Fins/Inch)

   - Test Certificate Required: 250 Each

8. Finned Tubes for 62e6203 # 2 Hdu - LSFO:

   - Finned Tubes: 1" OD x 12 BWG x 12,802mm Long SA 179 x 50mm Un-Finned Both Ends with Embedded Aluminum Fins (7 Fins/Inch)

   - Test Certificate Required: 200 Each

Important Notes:

- Any deviation in the quoted item must be clarified with supporting documents from the manufacturer.

- Tube material shall be manufactured according to SA192 seamless, with additional mechanical tests (UTS, YS & %Elongation) due to a change from SA179 basis related to Chevron sulfidation issue.

- A corrosion allowance of 0.8mm shall be added.

- Mock-up of 10 U bends shall be carried out, and the report needs to be submitted to the client for review and approval before actual bending.

- All "U" bends (100%) shall undergo DPT testing before and after PWHT.

- PWHT shall be up to 620 degrees Celsius for 1 hour (PWHT up to 300mm after the bend portion).

- All "U" bends straight ends shall be flat end with protection cap.

- All "U" bends shall be sea-worthy packed.

- Third-party inspection is required for "U" bends.

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