Quality

Fin Tubes are manufactured as per Customer requirement. The Standards followed are ASTM SB-359, SA-213 /SA-213-M, SA-450 / SA-450-M, SA-688 / SA-688-M. Material Testing will be carried out as per ASTM B-154. NFT is having an in-house tube bending facility for manufacturing Finned “U” Bend Tubes for Heat Exchangers. Bending of “U” tubes as per TEMA-RCB (Sec. IV).

Tolerances of Fin Tubes are strictly maintained as per customer requirement and inspection will be carried out as per Quality Plan. The dimensions are checked by Testing and Measuring Equipments and Profile of the fins are checked on Profile Projector. 100% Fin Tubes are checked for leak test by Pneumatic Pressure Testing / Hydro testing as per specification and requirement.

NFT is having an in-house Continuous Conveyor Type Furnace for Stress Relieving of Non-Ferrous material, after finning. Hardness and Micro structures are confirmed and verified after Stress Relieving.

Fin Tubes can be offered for any Third Party Inspection Agency for inspection as per the customer’s requirements.