Самозатягивающаяся вальцовка для котельных труб

KRAIS Tube Expanders

Key Features

Three rolls, Self feeding tube expanders. Flip type thrust collar, accommodate tube sheets of 3/8” to 1” thick. An excellent expander for re-rolling a leaky tubes and for new constructions of Water Tube Boilers, Fire Tube Boilers, Economizers, Air Heaters. Expanders with 4, 5 and 7 rolls are available on request.

Our K70‘s right-angle rolling motors are recommended to be used with this expanders.
Refer to page AK50 Automatic Rolling Motor

Parameters

TUBE GAUGE TOOL NO. MIN. EXP. OF TOOL MAX. EXP. OF TOOL ROOLS SET NO. MANDREL NO. MANDREL SQUARE SHORT MANDREL SET
[bwg] [inch] [mm] [inch] [mm] [inch] [mm] [inch] [mm]
10 0,134 3,40 FTPZ-508 1,653 41,99 1,889 47,98 RR23 TK-42 3/4” 19 TKK-42
12 0,109 2,77 FTPZ-508 1,653 41,99 1,889 47,98 RR23 TK-42 3/4” 19 TKK-42
14 0,083 2,11 FTPZ-508 1,653 41,99 1,889 47,98 RR23 TK-42 3/4” 19 TKK-42
TUBE GAUGE TOOL NO. MIN. EXP. OF TOOL MAX. EXP. OF TOOL ROOLS SET NO. MANDREL NO. MANDREL SQUARE SHORT MANDREL SET
[bwg] [inch] [mm] [inch] [mm] [inch] [mm] [inch] [mm]
10 0,134 3,40 FTPZ-635 2,125 53,98 2,440 61,98 RR25 TK-54 3/4” 19 TKK-54
12 0,109 2,77 FTPZ-635 2,125 53,98 2,440 61,98 RR25 TK-54 3/4” 19 TKK-54
14 0,083 2,11 FTPZ-635 2,125 53,98 2,440 61,98 RR25 TK-54 3/4” 19 TKK-54
TUBE GAUGE TOOL NO. MIN. EXP. OF TOOL MAX. EXP. OF TOOL ROOLS SET NO. MANDREL NO. MANDREL SQUARE SHORT MANDREL SET
[bwg] [inch] [mm] [inch] [mm] [inch] [mm] [inch] [mm]
10 0,134 3,40 FTPZ-762 2,559 65,00 2,952 74,98 RR29 TK-65 3/4” 19 TKK-65
12 0,109 2,77 FTPZ-762 2,559 65,00 2,952 74,98 RR29 TK-65 3/4” 19 TKK-65
14 0,083 2,11 FTPZ-762 2,559 65,00 2,952 74,98 RR29 TK-65 3/4” 19 TKK-65

Other sizes and other roll length available on request.