Baker Hughes Masoneilan SteamForm 84003 Series Installation Manual Download Page 22 | Manualshive

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18 | Baker Hughes

Copyright 2020 Baker Hughes Company. All rights reserved.

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Summary of Contents for Masoneilan SteamForm 84003 Series

Page 1: ...Baker Hughes Data Classification Public Masoneilan 84003 Series SteamForm Steam Conditioning Control Valve Installation Guide Rev B...

Page 2: ...INSTRUCTIONS SHOULD BE INTERPRETED AND APPLIED IN CONJUNCTION WITH THE SAFETY RULES AND REGULATIONS APPLICABLE AT THE SITE AND THE PARTICULAR REQUIREMENTS FOR OPERATION OF OTHER EQUIPMENT AT THE SITE...

Page 3: ...Water temperature 8 Strainers 9 Valve installation 9 Valve support 9 Actuator support 9 Orientation 11 Drains and pipe slopes 12 Warm up and preheating steam 13 Insulation 14 Accessibility 14 Tempera...

Page 4: ...ommended orientation of the SteamForm 11 Figure 7 Improper orientation of the SteamForm 11 Figure 8 Vertical flow down outlet orientation should be located at low point downstream 12 Figure 9 Drain ve...

Page 5: ...ing and positioning of control elements are explained throughout this document Upstream Pipe Recommendations Adjacent pipe bends such as pipe elbows and tee connections are known to cause high levels...

Page 6: ...nstallation of a pipe elbow This distance ensures that a sufficient mass of the water droplets is vaporized in order to prevent water fallout and insufficient mixing While this length varies with each...

Page 7: ...misplacement of the temperature element results in uncontrollable operation requiring re engineering to correct the errors of the improperly designed steam conditioning system The proper location of...

Page 8: ...tream where there is a relatively stable flow profile The recommended installation point is five pipe diameters downstream of the valve connection and any pipe elbows See Figure 3 Minimum Pressure Sen...

Page 9: ...es There is a direct relationship between pipe size and turndown that must be evaluated for each installation After selecting the pipe size the next step is to correctly design the pipe wall thickness...

Page 10: ...r once it becomes saturated The length for proper evaporation is determined by multiplying the steam velocity by the sum of t1 and t2 Multiple variables are presented in the calculation and are applie...

Page 11: ...int where the pressure differential becomes too low and yields large slugs of water as opposed to the desired aerosol effect Large slugs of water are ineffective in cooling the steam because their mas...

Page 12: ...iciency of evaporation Cold water sources such as condensate and makeup water require less mass flow to sufficiently cool the steam to the outlet set point The exact amount of water required can be de...

Page 13: ...rolong the active life of the plant and critical pieces of equipment When properly used the steam conditioning valve keeps a plant on line during load rejections and allows the system to return to nor...

Page 14: ...SPRAY WATER 100 MESH STRAINER L1 L2 Figure 5 SteamForm water spray control valve Installation Note The desuperheater nozzle has variable plug to prevent superheated steam back flow to the spray water...

Page 15: ...e steam flow and run along the bottom of the pipe This results in flooding of the downstream steam lines and poor temperature control This is particularly important for applications that need a wide r...

Page 16: ...ow four possible installation scenarios and the desired location of drain connections to protect the SteamForm from passing condensate Drain connections can also be supplied by the factory for install...

Page 17: ...onditions of high temperature steam are forced through the valve upon an upset condition such as a turbine trip These thermal shock scenarios occur when the steam conditioning valve is mounted farther...

Page 18: ...ture feedback control is the most common method for controlling the amount of spray water that is injected into the steam flow This method requires the use of a downstream temperature sensor that rela...

Page 19: ...valves a start up procedure must also be defined up front in the design process Proper cleansing of the steam line and water lines is essential to ensuring performance when the plant becomes operatio...

Page 20: ...eam lines are thoroughly cleaned and hydrotested it is safe to install the operating trim For start up assistance from a certified technician please contact your local Baker Hughes Masoneilan sales of...

Page 21: ...ntial in minimizing the noise generation and the cost of the installation For specific design recommendations it is essential to involve the bypass valve supplier and the condenser supplier up front i...

Page 22: ...18 Baker Hughes Copyright 2020 Baker Hughes Company All rights reserved Notes...

Page 23: ...Masoneilan 84003 Series SteamForm Installation Guide 19 Copyright 2020 Baker Hughes Company All rights reserved Notes...

Page 24: ...of Baker Hughes Company Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners BHMN 84003 IG 31014B 1120 11 2020 Tech Field...

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