Cast iron - Used extensively for ASME type valves. Its use is typically limited to 17 bar g. SG iron - Commonly used in European valves and to replace cast iron in higher pressure valves (up to 25 bar g). Cast steel - Commonly used on higher pressure valves (up to 40 bar g). Process type valves are usually made from a cast steel body with an
Main Types of Steam Boiler Valves or Safety Valves | Thermodyne Boilers
Automatic water feed valves on steam boilers such as the McDonnell & Miller™ automatic water feeder shown at above left and the Hydrolevel Co. VXT 120 programmable water feeder at above right perform functions similar to the water feed valve described at WATER FEEDER VALVE, HYDRONIC BOILER and used on hydronic (not steam) heating boilers.
Sep 12, 2017 · Original Cast Boilers (such as American Radiator) If you have an original cast boiler, such as an American Radiator, you may have a gas conversion burner (Roberts-Gordon or Republic were two of the best), a pressure control, a pressure gauge, a relief valve and a drain valve.
Nov 19, 2012 · A valve used to prevent 'backwater' (waste water) from entering into a building from the public sewer system is exposed to corrosive water, waste, grit, and other solids. For that reason this type of valve does not use a typical 'seated gate' – a 'knife edge gate' is employed. A knife edged gate is specifically designed for controlling the flow of a wide variety of materials, such as found in pulp plant, …
Different Types Of Valves Use in Boilers - Maintenance
Steam boiler Automatic & Manual Water Feeder Valves
Steam Blow Down Valve, Below Down Ball Valve, Boiler Sewage Ball Valve manufacturer / supplier in China, offering 150LB Steam Boiler Blow Down Valve (GAPQ41M), Ceramic Lined Disc Type Wafer Check Valve (GH72TC), Manual Ceramic Slurry Knife Gate Valve (GPZ43TC) and so on.
Butterfly valve These are the most simple and versatile steam boiler valves. These are also quarter turn operated valves.quarter turn operation ensures quick operating of the valves.in opening condition there is minimum hindrance to the flowing fluid through the …