HFS HEAVY INDUSTRIES SDN BHD > Global Partner

Global Partner

Valves (Manual Valve, AOV, MOV, Control Valve)

Gasket, Packing, Mechanical Seal, O-ring, Diaphragm

Crane and Material handling system

Boiler, HRSG, Piping Fabricator

Pipe Hanger Support, Expansion Joint & Bellows

Plate, Beam, Flange and Fittings

Blast Water Management System, Water Treatment System, Acoustic Cleaning System

Bottom Ash Recycling Product, Electrostatic Precipitator (ESP) with Bag Filters

Boiler Tube Coating, Bearing for Turbine and Engine, Forced Cooling System

Condenser Tube Cleaning System, Online PSV/PRV Testing Equipment

Engineering & Global Sourcing Partner

Construction Partner

Others

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Specification of High Frequency Welded (HFW) Finned Tube
Tube/Pipe Material	Carbon Steel, Stainless Steel, Copper, Inconel, Titanium
Fin Material	Carbon Steel, Stainless Steel, Copper, Aluminum
Tube/Pipe OD	8.0mm ~ 219.1mm
Fin Type	Solid and Serrated
Fin Height	5.0mm – 20mm( 50% of tube OD, up to 80% in special request)
Fin Thickness	0.4mm ~ 3.0mm
Fin per Meter (FPM)	Max. 520 fin (based 0.4t fin)
Tube Length	Max. 27,000 mm
Application	– Oil & Gas: ACHE(Air cooled), HVAC, Economizer, Heat exchanger, Air Preheater, Fired Heater – Power plant: HRSG, Nuclear, GGH(Desulfurization)

Advantage of High Frequency Welded(HFW) Finned Tube vs Embedded Fin (G type) & Extrude Type
Weldability	High Frequency Welded (HFW) can be applied dissimilar tube and fin welds instead of G-Type and Extrude Type
Efficiency	Higher heat exchange efficiency, 10% higher than G-Type, 15% higher than Extruded
Cost Save for Material	Tube material cost saving, 10% for G-type (0.3mm Groove), Much less for Extruded Type
Flexible Fin Pitch	Smaller and lighter equipment
Tube Size and Quantity	Minimum 10% reduce tube size and quantity
Higher Temperature	Applied to higher temperature depend on design temperature
Strong Durability & Maintenance	Strong durability with welded fin, Easy handling and waterjet washed.

Macro-Picture of Fin Connection Details
High Frequency Welded (HFW) Fin	Embedded Fin (G type)