Check valves for steam and other fluids. Disc and spring construction assures stable performance with installation in either vertical or horizontal pipelines. Automatic valves for preventing backflow. Operating Pressure Range: 0.001 - 3 MPaG. Operating Temperature Range: 0 - 350 °C. CK Series Check Valves Pamphlet (198 KB)
2. At this juncture, a determination is made whether the boiler should be steam- or hot water-generating (see Section I1). For the remainder of this section, it is assumed that a steam- generating facility is appropriately chosen. (For more information on application …
Jun 25, 2014· Check to see if the water level in the boiler can drop to a point where steam gains access to the wet return through the boiler's equalizer. If it can, the steam will quickly push down into the wet return and create water hammer.
Reducing The RisksFeb 24, 2010· I have an existing system that needs evaluation for compliance to B31.3 (as referenced by our local boiler code). The system is a deaerator for boiler feed wate WOG or CWP Valve for Steam - Pipelines, Piping and Fluid Mechanics engineering - Eng-Tips
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Swing check valve; spring check valve; inline check valve; Swing check valve which has a flat pin in it to prevent backflow. The check valve ensures that the flow will only go one way through the valve. Swing checks very economically types of valves for this. they have to be managed in a certain way because the pin is swing inside the valve
The requirements for a safety valve for a boiler that is automatically fired are dramatically different. With automatic firing, the safety valve’s function as defined by Anderson Greenwood Crosby, a manufacturer of modern safety valves, is to protect life and property if all other safety measures fail.
TypesA check valve is a type of valve that allows fluids to flow in one direction but closes automatically to prevent flow in the opposite direction (backflow). Check valves are used in a wide variety of locations, but the focus of the discussion in this tutorial will be the installation of check valves at …
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Steam systems should be piped to allow gravity drain-down when not in use, or should be blown out with compressed air at the end of each heating season. Source: Thanks to Duane Hagen of Merlo Steam for providing these photos and an explanation of what the problem is and the best way to fix it. Duane and Merlo Steam conduct customized in-house
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Platform: Where the main stop valve, a safety valve, or a relief valve is located on top of a boiler more than six foot high unless the top of the boiler is flat. The platform must be not less than 24” wide. NYS Code Rule 4-6.6. A clearly labeled emergency switch must be installed adjacent to the door(s) that will halt the fuel supply to the fuel
The valve provides a vertical-lift check valve function: until the circulator pump begins to run, the valve will prevent hot water from circulating through the piping system. The B&G installation sketch (left, edited) shows a simplified but typical location of a flo-control valve - the red device at …
Jan 01, 2013· The ASME Boiler and Pressure Vessel Code (ASME BPVC), which is administered by ASME (New York, N.Y.; www.asme.org; founded as the American Society of Mechanical Engineers), is a well-established standard for the design and fabrication of boilers and pressure vessels.ASME code-symbol stamps show compliance with the requirements of the standard, but code stamping of steam …
An auxiliary steam stop valve is a valve usually connected directly to the boiler for the purpose of shutting off the steam from the auxiliary lines (including the whistle lines). (4) Manifold. A manifold is a fitting with two or more branches having valves either attached by bolting or integral with the fitting.
Page 17 Main feed water valve Once-through steam boiler Boiler Makeup Tank Water delivered to the inside of Two different varieties of the tubes is heated by the Main boiler makeup tank are combustion of fuel using a burner. power available – namely, the water As a result of this heating, the Fused tank and the deaerator tank.
Effi cient monitoring of the purging of salts, dirt and sludge in a steam boiler requires regular analysis of the water in order to verify that its parameters are within the ideal levels af salinity and alkalinity demanded by law. All the Continuous desalting valve (Mod. 560 and 560-A) are provided with taps for obtaining samples.