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Volgograd, Russia
+7 (8442) 98-07-07
+7 (8442) 98-07-07
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Tube expanders

Tube expanding tool TECHREMEX produced by OST 26-17-02-83**( republication from 2008) - STO 00220368-015-2009***

For heat exchangers, refrigerators ,preheaters, coolers, condensers, evaporators, steam overheaters

Type A

cooled

Type B

uncooledwith adjustablereach

For boilers and steam overheaters

Type BO

expanding with flanging

For tube expanding in furnaces

Type G

expanding with flaring, adjustable thrust bearing and the expansion control collar

All the details of tube expanders tools have high strength and durability due to the use of special steels and heat treatment.

The cooling of type 'A' expanders is effected by special cooling and lubrication unit, included in the package electrical machines for tube expanding TECHREMEX MER-11M or MER-16M.

Dosing of the emulsion is carried out automatically after reaching the preset torque.

The air-emulsion mixture is fed into the nipple and exits the body through the hools for the rollers.

When working with expanders with cooling type 'A' lubrication, cooling and blowing out of wear products is performed automatically during operation. Operation of A type expanders with the cooling and lubrication unit provides increase of the tool parts lifetime by 30 %.

The design of 'A' type expanders provides easy and fast replacement of rollеrs - the most wearing parts. To change the rollers enough, just pull the spring loaded sleeve holding the rollers from falling out - no need to disassemble the expander. Cooled expanders type ‘A’ is equipped with a support, that holds the tube from twisting during operation.

The mandrel of expanders 'A', 'B' has the square shank (10 mm, 12 mm, 14 mm, 19 mm) with a groove for fixation in the telescopic shaft of expanding equipment, TECHREMEX models of MER-11M, MER-16M, MER-13, MER-14.

The 'G' type expanders have the separator which retains the rolls from dropping-out inside of the body, that allows to enter the body without mandrel into the tube in the beginning. The design provides feeding without slippage of mandrel.

Expanders have increased the range of expanding.

The design of the TECHREMEX expander allows the use of an increased set of spare parts. So, for example, expander type 'BR-21-40-80' allows you to use one expander with a replacement kit consisting of 2 cases, 20 mandrels and 60 rollers.


A Type – cooled (With fixed reach)

A Type – cooled (With fixed reach)

A Type – cooled (With fixed reach)The air-oil emulsion is supply into the nozzle and exits the through body the grooves to the rollers.TypeUsed for...

Type B – uncooled (adjustable reach)

Type B – uncooled (adjustable reach)

TypeUsed for tubes (outside diameter and wall thickness)Expanding range (min.-max.), mmOperative roll length, L mmReach, mmSize square on...

Type AR - cooled long (with adjustable reach)

Type AR - cooled long (with adjustable reach)

TypeUsed for tubes (outside diameter and wall thickness)Expanding range (min.-max.), mmOperative roll length, L mmReach, mmSize square on...

BR Type – uncooled long, with adjustable reach

BR Type – uncooled long, with adjustable reach

TypeUsed for tubes (outside diameter and wall thickness)Expanding range (min.-max.), mmOperative roll length, L mmReach, mmSize square on...

Type AU - cooled long (with extended reach)

Type AU - cooled long (with extended reach)

TypeUsed for tubes (outside diameter and wall thickness)Expanding range (min.-max.), mmOperative roll length, L mmMin reach, mmMax reach,...

Type BU - uncooled long (with extended reach)

Type BU - uncooled long (with extended reach)

TypeUsed for tubes (outside diameter and wall thickness)Expanding range (min.-max.), mmOperative roll length, L mmMin reach, mmMax reach,...

Type KV - For centering tubes and conical expanding prior to orbital seal welding.

Type KV - For centering tubes and conical expanding prior to orbital seal welding.

Type Used for tubes (outside diameter and wall thickness, mm) Size square on mandrel, мм KV-89х0,5; 10х1; 11х1,5;...

Type B-AVO - With adjustable reach. Are used for expanding tubes inside welded chambers of air cooled heat exchangers.

Type B-AVO - With adjustable reach. Are used for expanding tubes inside welded chambers of air cooled heat exchangers.

TypeMax reach, mmUsed for tubes (outside diameter and wall thickness)Expanding range (min.-max.), mmOperative roll length, L mmMin reach,...

Type 5B - Five-roll expanders with adjustable reach for expanding thin wall tubes of stainless steel and titanium alloys.

Type 5B - Five-roll expanders with adjustable reach for expanding thin wall tubes of stainless steel and titanium alloys.

TypeUsed for tubes (outside diameter and wall thickness)Expanding range (min.-max.), mmOperative roll length, L mmReach, mmSize square on...

Type BO – for tube expanding with flanging in boilers and stream generators.

Type BO – for tube expanding with flanging in boilers and stream generators.

TypeUsed for tubes (outside diameter and wall thickness)Expanding range (min.-max.), mmFlanging range (min.-max.), mmReach, mmSize square...

Type G – with adjustable bearing stop – for expanding with flanging in furnace doubles.

Type G – with adjustable bearing stop – for expanding with flanging in furnace doubles.

TypeUsed for tubes (outside diameter and wall thickness)Expanding range (min.-max.), mmFlanging range (min.-max.), mmReach, mmSize square...

Tool for expanding tubes on “Bluebell”

Tool for expanding tubes on “Bluebell”

TypeUsed for tubes (outside diameter x wall thickness, mm) Room cone of Morse KO-10-1810х1; 11х1,5; 12х1,2; 10х0,8; 11х1,2; 11х1; 12х1,5;...



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