We founded in 1988, with 32 years'experience in research development and manufacture of industrial boiler. Our boiler are saled for more than 100 countries and regions like Egypt, Ethiopia, Congo, Mauritius, Tanzania,South Africa, Mexico, Ireland, Indonesia etc.
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Product Thermal Capacity: 1 - 20 t/h
Working Pressure: 0.7 - 2 Mpa
Product Thermal Capacity: 20 - 110 t/h
Working Pressure: 1.25 - 5.3 Mpa
Product Thermal Capacity: 2 – 20t/h
Working Pressure: 1 - 2.5 MPA
Product Thermal Capacity: 4 - 35 t/h
Working Pressure: 1.0 - 2.5 MPA
Our boilers are used for process as well as commercial applications. With Johnston, we can reduce your operating costs. We have the highest efficiencies and best warranties in the industry. Our main products consist of water-back, firetube, 3- or 4-pass, steam or hot water boilers.
Crown Cast-Iron Oil-Fired Boilers • Swing-open cast-iron burner door for easy service Freeport Series For residential and light commercial hot water heating systems. Circulates hot flue gases through the heat exchanger 3 times for optimum efficiency. 3-pass block design provides full access to flue passages.
When you purchase a boiler from U.S. Boiler Company, you know you’re getting the best in comfort, durability and safety. With nine models meeting the Energy Star efficiency standards and two that have earned the coveted Consumers Digest Best Buy award, we have the right boiler for your home.
WNS series boiler is well known as a horizontal style three pass wet back boiler.This type boiler used widely in industries and can be designed as steam boiler or hot water boiler according customer inquiry. The fuel of WNS series horizontal style 3 pass wet back boiler can be oil or gas,which is fast-loading internal combustion three return fired tube boiler.
Price: $3783.00 Three-Pass "Scotch Marine" Firetube design with stress relieving "Wetback" construction. Pressure designs for steam are 15-300 psi. 100-600 hp. 250 psi. max. for 700-1500 hp. and 200 psi. max. for 1800-2000 hp. Hot Water pressures models are from 30-160 psi. High pressure, high temperature Section I hot water boilers available.
1st Pass. Wood burns in a large,finned combustion chamber with water-cooled grates. 2nd Pass. Vented firebox gasses mix with very hot, preheated air in the secondary combustion chamber thereby enhancing oxidation. 3rd Pass. Remaining exhaust heat is given-up in a wide finned, self-cleaning passageway before exiting the boiler.
The TriFire TRB features an even more compact design that it's predecessor for even easier installation. The unit features a High Limit Control with LED Display, easy to program Dial Settings, Boiler Water Temperature Reset and Low Water Cut Off functionality. Wide flue ways, flexible oil line, dual hinged swing door with left or right mount option, site glass and a test port make the TriFire
15 to 200 HP Packaged Boilers 15 psi Steam or 80 psi Hot Water. 3-pass firetube boiler operates at high efficiencies due to effective heat transfer across all heating surfaces. Submerged combustion chamber improves water circulation and adds to direct heating surface.
Seminole3-Pass Wetback Firetube Boiler. The Seminole 3-pass wetback boiler is designed for maximum efficiency, reliability and durability in today’s most demanding environments. Seminole 3-Pass Wetback Firetube Boiler can burn: Natural Gas, Propane, #2 Oil, Digester Gas, Hydrogen
ENERGY STAR Most Efficient 2020 — Boilers. -mounted “combi” and “heating only” models are 95% efficient with the “combi” unit providing heat and up to 3.1 GPM of domestic hot water from a single appliance. Installation is simplified by only requiring a single gas connection, a single vent system, and an included built-in
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