Our Effox-Flextor brand is the world leader in the design and manufacturing of heavy-duty utility and industrial dampers and expansion joints for use in solid fuel combustion and exhaust systems, with more than 50 years of industry experience.
Pulp & Paper. KEI provides the following products and services for Pulp & Paper mill needs: Steam & Condensate Systems, Steam Traps, Control Valves, Thermocompressors, Air Makeup Systems, Steam and Glycol Coils, PM Hood Heat Recover Systems, Economizers, Soot Blower Valves, and more.
For condensing and non-condensing applications; Damper design prevents condensate pooling and flushing into appliance; Condensate-blockage prevention system for positive pressure appliances. Damper has fast-acting, direct-drive actuator with brushless motor; Damper UL-Listed for up to 1400°F continuous operation.
However the steam boiler relief valve operates at different temperatures and pressures than found on a hydronic (hot water heating) boiler. Residential steam boilers typically operate at below 1 psi, and on residential steam systems the pressure/relief valve is usually set to open at 15 psi.
A Vacuum Breaker is a simple, reliable device that allows air to enter a steam piping system when a vacuum is induced. Here are the top 4 reasons for including a vacuum breaker in your system: It helps allow for complete condensate drainage under all …
The misunderstood barometric damper | Liming | PM Engineer
How vacuum can form in a steam system - Heating Help
How vacuum can form in a steam system - Heating Help
12″ x 16″ Manway. Panel Mounted Gauges. Constructed with all stainless steel direct contact internal vent condenser, all stainless steel adjustable spray valve (s) and a 10 minute minimum storage capacity. Standard Spray and Tray designs incrementally sized from 3,500 up to 300,000 lbs. per hour.
The extraction pump is used to draw water from a condenser which is under vacuum.The pump also provides the pressure to deliver the feed water to the de-aerator or feed pump inlet. How an air ejector works in a boiler feed system ; The air ejector draws out the air and vapours which are released from the condensing steam in the condenser.
Too often pressure relief valve sizes are determined by merely matching the size of an existing available vessel nozzle, or the size of an existing pipe line connection. Correct and comprehensive pressure relief valve sizing is a complex multi-step process that should follow the following stepwise approach: 1.
May 10, 2020 · A down flow type surface condenser is designed to handle 110 TPH of steam, the steam enters the condenser at 0.12 kg/cm2 absolute pressure and 0.9 dryness fraction. Condensate leaves at 45 °C, calculate the quantity of cooling water required, condenser inlet and outlet cooling water temperatures are 29 °C and 37 °C respectively.
Typical industrial boilers are "natural circulation" boilers and do not utilize pumps to circulate water through the tubes. These units rely on the differential density between hot and cold water to provide the circulation. As the water removes heat from the tubes, the water temperature increases and it rises to the boiler steam drum.
The vacuum relief damper is very simple in design. When a vacuum occurs inside the vent system (as occurs with the Joukowsky effect) and the atmospheric pressure outside of the vent exceeds the tension of the spring, the spring compresses to open a flapper. As this flapper opens, air is allowed to enter the vent system which relieves the vacuum and prevents damage to the vent and to the boiler system.
Jan 23, 2017 · Vacuum breakers should always be used on steam-to-water heat exchangers. They prevent condensate from being held up in the shell, which can lead to water hammer and tube damage. Steam-to-water convertors, or heat exchangers, heat the water in the tubes by condensing steam in the shell. When steam is present in the shell, the steam trap is closed.
Jun 24, 2014 · The vacuum pump will start with the burner and pull the air from the system. It will suck the air from the return lines, the radiators, the supply mains, and all the way back to the boiler's water line. The steam will follow, and when the condensate returns to the vacuum pump, the vacuum pump will discharge it into the new boiler-feed pump.
Feb 16, 2010 · Use a vacuum cleaner to clean out the inside of the ducts. Step 2 - Type of Damper. Most modern dampers are automatically connected to your boiler, this means that a small electric motor will open and close the damper. Check that you are installing a boiler vent damper which is suitable for use with your boiler and can be controlled automatically.
A Vacuum Breaker is a simple, reliable device that allows air to enter a steam piping system when a vacuum is induced. Here are the top 4 reasons for including a vacuum breaker in your system: It helps allow for complete condensate drainage under all operating conditions: on/off or modulating applications. It helps minimize water hammer.
Oil Steel Boiler Water 109-132k BTU Beckett Burner High Altitude. Thermo Dynamics Boilers HT-90/110 Steel 3-Pass Oil Fired Water Boiler, 84.2 - 85.1% AFUE, 126 - 154 MBH Input, 109 - 132 MBH Heating. A wet-base design, a horizontal tube and a 3-pass heat exchanger make this one of the most efficient boiler designs available.
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