40 to 300 HP

• Undesirable, throw-away, non-repairable construction is avoided (as seen on some watertubes and exotic designs)
• Our FIRETUBE design has 100% water-cooled heat transfer surface; no hot fins to burn away
• High efficiency is obtained without using a fourth pass; fourth pass tubes have often been subject to premature failure.
• FIVE square feet of heating surface for each boiler horsepower
• Time-tested design, 35 years in the field and now with refined features
• Hinged front doors provide fast access to tubes without disconnection of pipes, fuel lines or electrical cables AND without disturbing firing equipment
• Shipped completely assembled and factory test-fired
• Ample steam space and steam release area yield dryer steam and minimize scaling of system components

Excellent Rear Access

• Separate rear doors offer simpler, faster access
• An extra 15-inch quick access inspection port is nested in the lower rear door
• Split rear doors reduce refractory use and attendant maintenance costs
• Refractories are of the field-replaceable, castable variety; no special expensive blocks or bricks
• Extra handholds are provided in a superior location in the front tube sheet below the furnace
• Offset handhole plate studs ease insertion and removal

Unique Twin Head Design

• Two rear tubesheets, one for each pass; uneven stresses eliminated
• Water-cooled pass divider plate; this prevents short circuiting even if refractory needs repair
• Twin tube sheets eliminate need for welded tube attachment (welded tubes are more difficult to replace)
• Large 5/8" BOLTS are used on all doors; fewer are required; opening/closure is faster; easily damaged studs are avoided
• All fireside doors have long-life gaskets, fit for repeated use

Standard Steam Trim

• Safety valve(s)
• Water glass set
• Pressure gauge
• Gauge cock
• Pressuretrol line drain
• Trycocks
• Pressuretrol - high limit
• Pressuretrol - operating
• Pressuretrol - high fire control (modulating as required)
• McDonnell Miller 157 low water cutoff and pump control c/w water column blowdown valve
• Warrick 2 probe auxiliary low water cutoff c/w probe relay
• Feed check and shutoff valves

Options and Alternatives

• We specialize in customizing your boiler. The Scotpak can be equipped to suit a wide variety of installations and specifications. We will help direct you to the most cost-effective models and features.

For more information, contact us!