OBPMH

Special Heads

KRAIS Tube Expanders
KRAIS Tube Expanders

OUTSIDE BEVEL MILING HEAD
BIT: HSS 6% COBALT
DEGREE: 37,5°

OBPMH bevelling head for bevelling tubes without membranes in a boiler waterwall.

Heads numbers

HEAD NR TUBE CAPACITY RANGE [INCH] RANGE [MM] INSERT NO. OF INSERTS
[INCH] [MM] BWG MIN MAX MIN MAX
OBPMH-190 0,750 19,05 14-23 0,5826 0,866 1,480 2,200 WRIL 2
OBPMH-222 0,875 22,23 12-23 0,654 1,004 16,60 25,50 WRIL 2
OBPMH-254 1,000 25,40 11-23 0,764 1,122 19,40 28,50 WRIL 2
OBPMH-285 1,125 28,58 11-23 0,890 1,240 22,60 31,50 WRIL 2
OBPMH-317 1,250 31,75 8-23 0,917 1,732 23,30 44,00 WRIL 2
OBPMH-381 1,500 38,10 6-23 0,984 1,850 25,00 47,00 WRIL 2
OBPMH-444 1,750 44,45 6-23 1,024 1,890 26,00 48,00 WRIL 2
OBPMH-508 2,000 50,80 6-23 1,181 2,047 30,00 52,00 WRIL 2
OBPMH-571 2,250 57,15 6-23 1,417 2,283 36,00 58,00 WRIL 2
OBPMH-603 2,375 60,33 6-23 1,535 2,402 39,00 61,00 WRIL 2
OBPMH-635 2,500 63,50 6-23 1,654 2,559 42,00 65,00 WRIL 2
OBPMH-889 3,500 88,90 6-23 2,677 3,543 68,00 90,00 WRIL 2