Official Blog Pusri

Feeding Pumps – the Suction Lift in Steam Systems

Palimbani — Wed, 05 Dec 2007 15:36:28 +0000

Feeding Pumps – the Suction Lift in Steam Systems
The danger of impeller cavitations increases with water temperature

To avoid cavitations in a feeding pump the suction lift and pressure head
should not exceed the limits below:

Temperature of Feeding Water		Max Suction Lift		Minimum Pressure Head
(^oC)	(^oF)	(m)	(ft)	(m)	(ft)
55	130	3	10
65	150	2	7
77	170	0.6	2
80	175	0	0	0	0
87	190			1.5	5
95	200			3.5	10
99	210			4.5	15
100	212			5	17

For water with temperature above 80^oC (175^oF) its necessary with a positive pressure head – and the pump is located in
an elevation below the water or condensate receiver.

In steam distribution systems its common with open vented condensate receivers with temperatures close to 100^oC (212^oF).
This is true especially in systems where most of the steam consumed is returned as
href=”http://www.engineeringtoolbox.com/flash-steam-generation-d_425.html“>hot condensate, but also in systems where the make up water is
heated to reduce the amount of air dissolved in the water.

Recommended Suction Flow Velocity for
Boiling Fluids – Recommended flow velocity for the pump suction side.
Recommended Delivery Flow Velocity for
Boiling Liquids – Flow velocity normally required on the delivery side of the pump in systems with boiling liquids.

tes

infokito™ — Tue, 23 Oct 2007 04:55:29 +0000

kemundiuandnan fbabfb aaysfhbyf uausufbaf

musi fyhsy fyhyb yb . uhygyg ygyg y gyg yy gy uhuh Juh uhsuf

Color Codes

infokito™ — Tue, 09 Oct 2007 12:08:15 +0000

When you’re adding a color to your Web page with HTML, sometimes you can just type in the name of the color. But more often than not, you’ll need to use what’s called the hex code, which is something that the browser will be able to understand. Choose a color from the list below and look to its left to get the hex code. If we wanted our background to be red, for example, we’d type bgcolor=”#FF0000″. Try it out!

If you’d like to print this chart and you are using Internet Explorer, click on “Tools” and then “Advanced.” Next, scroll down to “Printing” and make sure the “Print background colors and images” box is checked.

Hex Code	Color

#FFFFFF
#FFFFCC
#FFFF99
#FFFF66
#FFFF33
#FFFF00
#FFCCFF
#FFCCCC
#FFCC99
#FFCC66
#FFCC33
#FFCC00
#FF99FF
#FF99CC
#FF9999
#FF9966
#FF9933
#FF9900
#FF66FF
#FF66CC
#FF6699
#FF6666
#FF6633
#FF6600
#FF33FF
#FF33CC
#FF3399
#FF3366
#FF3333
#FF3300
#FF00FF
#FF00CC
#FF0099
#FF0066
#FF0033
#FF0000

Hex Code	Color
#66FFFF
#66FFCC
#66FF99
#66FF66
#66FF33
#66FF00
#66CCFF
#66CCCC
#66CC99
#66CC66
#66CC33
#66CC00
#6699FF
#6699CC
#669999
#669966
#669933
#669900
#6666FF
#6666CC
#666699
#666666
#666633
#666600
#6633FF
#6633CC
#663399
#663366
#663333
#663300
#6600FF
#6600CC
#660099
#660066
#660033
#660000

Hex Code	Color

#CCFFFF
#CCFFCC
#CCFF99
#CCFF66
#CCFF33
#CCFF00
#CCCCFF
#CCCCCC
#CCCC99
#CCCC66
#CCCC33
#CCCC00
#CC99FF
#CC99CC
#CC9999
#CC9966
#CC9933
#CC9900
#CC66FF
#CC66CC
#CC6699
#CC6666
#CC6633
#CC6600
#CC33FF
#CC33CC
#CC3399
#CC3366
#CC3333
#CC3300
#CC00FF
#CC00CC
#CC0099
#CC0066
#CC0033
#CC0000

Hex Code	Color
#33FFFF
#33FFCC
#33FF99
#33FF66
#33FF33
#33FF00
#33CCFF
#33CCCC
#33CC99
#33CC66
#33CC33
#33CC00
#3399FF
#3399CC
#339999
#339966
#339933
#339900
#3366FF
#3366CC
#336699
#336666
#336633
#336600
#3333FF
#3333CC
#333399
#333366
#333333
#333300
#3300FF
#3300CC
#330099
#330066
#330033
#330000

Hex Code	Color

#99FFFF
#99FFCC
#99FF99
#99FF66
#99FF33
#99FF00
#99CCFF
#99CCCC
#99CC99
#99CC66
#99CC33
#99CC00
#9999FF
#9999CC
#999999
#999966
#999933
#999900
#9966FF
#9966CC
#996699
#996666
#996633
#996600
#9933FF
#9933CC
#993399
#993366
#993333
#993300
#9900FF
#9900CC
#990099
#990066
#990033
#990000

Hex Code	Color
#00FFFF
#00FFCC
#00FF99
#00FF66
#00FF33
#00FF00
#00CCFF
#00CCCC
#00CC99
#00CC66
#00CC33
#00CC00
#0099FF
#0099CC
#009999
#009966
#009933
#009900
#0066FF
#0066CC
#006699
#006666
#006633
#006600
#0033FF
#0033CC
#003399
#003366
#003333
#003300
#0000FF
#0000CC
#000099
#000066
#000033
#000000

Halo dunia!

infokito™ — Tue, 09 Oct 2007 11:55:06 +0000

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