HFW sprial SERRATED fin tubes apply in HEAT RECOVERY STEAM GENERATOR

Short Description:

Product Detail

Product Tags

Product Introduction

Base tube material: SA192 OD31.8mm X3.2mmTHK X1760mm LG
Fin Material: CS 12.7mmHx0.8mmTHKx300FPM
Application: The High Frequency Resistance Welded Helical Fin Tubes are widely applied in fired heaters, heat exchanger, boilers, economizers, pre-heaters, heat pipes, heaters etc…
Capacity: Seven ERW High Frequency fining lines, daily capacity around 50 tons,length≤28meters;

Manufacturing Process

The fin strip is welded continuously and spirally wound onto a polished bare tube. And the tube and fins are bonded together by using high frequency resistance welding technique.

Material: Stainless Steel+Stainless Steel, Carbon Steel+Carbon Steel, Alloy+Alloy etc.
Bare tube OD: 16-219mm Fin Pitch: 3-25mm Fin Height: 5-30mm Fin Thick: 0.8-3mm

T-shaped Fin Tube Features

Name	Base tube (OD) mm		Fin Pitch (mm)		length (m)
	Min	Max	Min	Max	Min	Max
Extruded aluminum fin tube	12.7	51	2.1	10	0.5	20
L/LL/KL aluminum fin tube	19	51	2.1	3.2	0.5	15
Embedded aluminum fin tube	19	42	2.3	3.2	0.5	15
Low fin tube	12.7	32	0.8	2	0.5	20
Spiral fin tube	12.7	70			0.5	20
ERW HF spiral fin tube	16	219	3	25	0.5	28
ERW HF spiral serrated fin tube	16	219	3	25	0.5	28
	Serrated width(mm) 10 min~26 max			Serrated depth(mm) 4 min~16 max
ERW studded tube	89	200	16	50	2	15

DC ERW H/HH fin tube	25	51	9	25	1	15
H/HH fins	Length(mm) 60 min-150 max		Thickness(mm) 1.5 min~4 max		Width(mm) 30 min~50 max