Manual tools for heat exchangers maintenance

F/790

The F/790 was designed for hand use with a tap wrench and its functioning is based on the eccentricity of the blade.
Work on the first tubesheet with the one-revolution tube cutter F/790 to cut the tube to be replaced. After cutting the tube stub is connected to the first tubesheet and the remaining part of the tube is connected to the second tubesheet.

• adjustable reach from 50,8 mm (2”) to 152,4 mm (6”)
• longer length are available on request

F/791

These are high-speed stewel reamers, with Morse taper connection and rear tang with diameter ground in accordance with the BWG of the tubes. Used to reduce the thickness of tubes to be replaced, for a depth of about 80% of the thickness of the sheet.

F/793

Use preferably with a pneumatic hammer.
Standard tang: Ø 17,2 mm ( 0.677” ) x 60,3 mm ( 2.3/8” )

F/792

Used for crumpling tubes of non-ferrous alloys or ferrous alloys made lighter with the use of the reamer F/791 and expelling them from the tube plate. To be used preferably with a pneumatic hammer.

• Standard tang: Ø 17,2 mm ( 0.677” ) x 60,3 mm ( 2.3/8” )