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Inverted bucket steam trap

Inverted bucket steam trap

Product features

1, All the moving parts of trim are stainless steel which is wearability and anti-corrosive. 2, For the steam cannot arrive to the valve seat hole by the water sealing that does not have steam losing and have highly effective energy saving. 3, It can¡¯t be destroyed and staved because of the Inverted bucket. It can bear water hammer and have a long usage circle. 4, It has air vent in the top of Inverted bucket. It has good performance to continuously vent air to lest Cold lag and aired up. 5, It can¡¯t influence by the back pressure and working well in the high back pressure. 6, It Works reliably, only has two movement parts (lever and Inverted bucket.) so that cannot form hinder. 7, The valve seat and disc are in the top of valve, the valve disc may cause the contamination passing in the on and pass. It has the good self- clean performance and no contamination.   

Working principle

Inverted bucket steam trap using the density contrast of condensate water and steam to work. The internal structure is lever system connect with inverted bucket. The inverted bucket steam trap has a down facing inverted bucket as hydraulic sensor in order to overcome the steam pressure. When the device starts, in the pipeline appears the air and the low temperature condensate water. The Inverted bucket steam trap is full opening in this time, the condensate water rapidly discharges, the temperature rises quickly. The steam enters into inverted bucket which will produce upward buoyancy and the lever impetus valve core to close the valve. It has one hole in the inverted bucket which releases the air automatelly.  When a little of steam discharges from the hole, the remainder steam will form condensate water. The inverted bucket loses the buoyancy and downward, the lever impetus the valve core to open the valve. When the steam enters into the inverted bucket, the valve closed again, circulate working, interrupted draining water.

Inverted bucket steam trap continuously drains water energy table (Kg/h)  

type 880 881 881F 81 882 882F 82 883 883F 83 884 884F 84 815 815F 85 816816F
0.5 240 420 800 1520 2500 3960 7190
1 280 470 930 1750 2950 4500 8600
2 230 460 930 1800 3020 4500 8150
4 280 410 920 2000 3050 4400 8800
6 280 380 800 1560 2600 4600 8000
8 310 420 900 1750 2950 4900 8850
10 260 365 660 1550 2550 4500 8450
12 200 380 720 1730 2880 4850 9000
15 230 335 560 1500 2500 3000 8400
17 250 350 600 1550 2600 3200 8650
21 240 860 1200 2200 3400 7200
25 250 900 1300 2400 2900 7800

Fourth, structure and size880-815th, the side enters the side to leave, Filter, Outside dimension (mm) 

tpye DN A B C D Maximum operating pressure kg/cm 2
880 1/2 ” 3/4 ” 96 76 70 128 25
881 1/2 ” 3/4 ” 1 ” 96 76 100 128 41
882 3/4 ” 1 ” 145 94 137 170 25
883 1 ” 1 1/4” 180 120 193 202 25
884 1 1/4′ 1 1/2” 203 150 212 232 25
815 1 1/2” 2 ” 220 148 248 250 25

881F-886F¡¢Flange ¡¢Filter¡¢ Outside dimension£¨mm£©

type DN A B C D Maximum operating pressure kg/cm 2
881F 15. 20 .25 96 76 100 170 25
882F 20 .25 145 94 137 210 41
883F 25 .32 180 121 193 270 25
884F 32 .40 203 150 212 320 25
815F 40 .50 220 148 248 320 25
816F 65 .80 265 489 310 400 25

81-86 under enters the type exterior dimensional drawing (mm))

type DN A B Maximum operating pressure kg/cm 2
81 1/2 ” 108 162 25
82 3/4 ” 1 133 203 25
83 1 ” 162 273 25
84 1 1/4” 184 314 25
85 1 1/2” 216 380 25
86 2 ” 260 432 25

The essential to order

1. According the maximum steam consuming capacity multiply the selected magnification of steam equipment (2-3 times) in order to choose the displacement of trap for the maximum condensate water capacity 2.The maximum differential pressure of trap (The front operating pressure minus the back pressure of valve ) should be noted if has back pressure. 3.The maximum operating temperature of the trap 4.The operating condition of the trap 5.Ends connection6.Body material

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