In 1949, Fulton pioneered the vertical tubeless design, which quickly became the industry standard for industrial steam boilers. Since that time, no one has been able to improve upon Fulton’s original design.
In 2018, Fulton raised the bar with the introduction of the VSRT (Vertical Spiral Rib Tubeless) steam boiler, the world’s first fully wetted, refractory-free vertical tubeless boiler and the new standard for industrial steam boiler design.
VSRT boilers are built to last as a reliable source of clean steam, providing cost savings and operator peace of mind for years to come.
For larger applications, the VSRT is available in a 250 BHP model size.Download Brochure
- Industry Leading Efficiencies
- Highest Steam Quality Available
- Smallest Footprint in the Industry
- Fully-Wetted Pressure Vessel
A Revolution in Steam Boiler Design
Fulton’s patent pending spiral rib heat exchanger achieves industry leading heat transfer rates. The unique spiral design provides a long heat transfer path which is optimized to achieve maximum heat transfer in a compact space.
The VSRT features a fully water backed pressure vessel wrapped with high-density insulation, resulting in minimal thermal losses and low jacket temperatures.
Specifications & Dimensions
|Fuel Input (MBH)||385||400||600||800||1,200||1,600||1,993||2,392||3,200||4,000||4,999||9,800|
|Steam Output, F&A 212F (LB/HR)||328||345||518||690||1,035||1,380||1,725||2,070||2,760||3,450||4,313||8,625|
|Height w/o Trim (IN)||76||70||70||79||79||97||97||97||110||125||125||144|
|Height w/ Trim (IN)||86||77||77||86||86||107||107||107||121||140||140||148|
|Width w/o Trim (IN)||24||33||33||33||33||49||49||49||49||63||62.75||86|
|Width w/ Trim (IN)||40||57||57||61||60||68||130||130||71||75||75||101|
|Burner Pull (IN)||100||99||99||111||110||130||83||83||144||140||140||148|
|Steam Outlet - 150 psi, trim (IN)||1||1||1||2||2||4||4||4||4||4||4||6|
|Air Inlet (IN)||4||4||4||6||6||6||6||6||8||8||8||14|
|Flue Outlet (IN)||6||6||6||8||8||10||10||10||12||12||12||14|
|Shipping Weight (LBS)||1,850||2,900||2,900||3,400||3,400||6,000||6,000||6,000||6,700||11,600||11,600||23,600|
|Operating Weight (LBS)||1,920||3,500||3,500||4,100||4,100||7,864||7,864||7,864||9,080||18,975||18,975||34,894|
|Flooded Weight (LBS)||2,000||3,850||3,850||4,400||4,400||8,600||8,600||8,600||9,710||19,925||19,925||37,513|
Customer Case Studies
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Fulton products are available for purchase through a worldwide network of authorized representatives. These representatives are highly qualified to assist you in the selection of Fulton equipment to best meet your application needs. To find your local Fulton representative, please follow the steps below.