Boiler Tube Expander

KS SERIES BOILER TUBE EXPANDERS

Three Expansion Rolls, three flare rolls, self-feeding boiler expanders. These expanders simultaneously expand and flare the tube. An excellent expander for re-rolling leaky tubes and for new constructions of Water Tube Boilers, Fire Tube Boilers, Economizers, Air Heaters. Expanders with 6 expansion rolls and 3 flare rolls are available on request.

Tube Sheet Thickness	Roll Length
1/2” - 3/4” (12mm - 19mm)	40 mm
7/8” - 1-1/4” (22mm - 32mm)	50 mm
1-3/8” - 1-3/4” (35mm - 45mm)	60 mm
1-7/8” - 2-1/4” (48mm - 58mm)	80 mm
2-3/8” - 2-3/4” (60mm - 70mm)	90 mm

Parameters

TUBE OD INCH	TUBE OD MM	TUBE GAUGE
1.00”	25.40	9-11 // 13-14
1-1/4”	31.75	7 // 9 // 10 // 11-13 // 14-15 // 16
1-1/2	38.1	7-10 // 10-12 // 12-14 // 13-20
1-3/4	44.45	8-9 // 10-12 // 12-18
2.00	50.8	7-9 // 10-13 // 12-14
2-1/4	57.15	10-13 // 14-16
2-1/2	63.5	8-13 // 12-16
2-3/4	69.85	8-13 // 12-16
3.00	76.2	7-8 // 10-14
3-1/4	82.55	7-11 // 15-16
3-1/2	88.90	10-13
3-3/4	95.25	8-12
4.00	101.60	9-12 // 16

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PZ SERIES BOILER TUBE EXPANDERS

Three expansion rolls, self-feeding tube expanders. An excellent expander for re-rolling leaky tubes and for new constructions of water tube boilers, fire tube boilers, economizers and 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 these expanders.

Tube Sheet Thickness	Roll Length
1/2” - 3/4” (12mm - 19mm)	40 mm
7/8” - 1-1/4” (22mm - 32mm)	50 mm
1-3/8” - 1-3/4” (35mm - 45mm)	60 mm
1-7/8” - 2-1/4” (48mm - 58mm)	80 mm
2-3/8” - 2-3/4” (60mm - 70mm)	90 mm

Parameters

TUBE OD INCH	TUBE OD MM	TUBE GAUGE
1.00”	25.40	11-12 // 13-16
1-1/8	28.57	12-14 // 14-16 // 15-17 // 16
1-1/4”	31.75	12-17 // 16
1-1/2	38.1	7-11 // 10-12 // 13-16 // 13-20
1-3/4	44.45	8-9 // 10-16 // 12-18
2.00	50.8	7-10 // 11-12 // 16 // 15-16
2-1/4	57.15	10-12 // 14-16
2-1/2	63.5	11-12
2-3/4	69.85	7-11
3.00	76.2	7-11 // 12-13
3-1/4	82.55	7-12 // 13-16
3-1/2	88.90	10-16
3-3/4	95.25	7-12
4.00	101.60	8-12 // 13-16

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FTKS-L FLARE TYPE BOILER TUBE EXPANDERS

Three expansion rolls with three flare rolls, self-feeding boiler expanders. These expanders simultaneously expand and flare the tube. An excellent tool for re-rolling leaky tubes and for new constructions of water tube boilers, fire tube boilers, economizers, and air heaters. Expanders with 6 expansion rolls and 3 flare rolls are available on request. Our K70’s Right Angle Rolling Motors are recommended to be used with these expanders.