Elliott's 40 Series Straight Boiler Expanders are recommended for re-rolling leaky tube joints in firetube boilers. Self-feeding, these expanders can be used by hand or powered by a rolling motor for fast tube rolling.
The guard prong is �” (12.7mm) long that bears against the tube sheet and straddles the projected tube end.
The bronze bearing between the expander's frame and guard reduces friction and allows for torque controlled tube rolling.
Features & Benefits:
- Only for re-rolling leaky tube joints in firetube boilers.
- Tapered expansion aggressively seals leaky joints allowing for quick cycle time.
- An economical, durable tool
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