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.