1.Inverted bucket steam traps Features

Temperature: 425 ℃
Working Media: Steam, Condensate Water
End Connection: Flange, Screwed & Socket Weld
Size:1/2" - 3"
Inverted Bucket Steam Trap
Stainless Steel Internal strainer
90% Back Pressure
With Air Vent On The Top

2.Inverted bucket steam traps 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 Traps

3.Water discharge capacity of the inverted bucket type steam trap.(KG/HR) when you select the model,pls take 2-3 times of safety factor into consideration.

Type		L880	L881 L881F 81	L882 L882F 82	L883 L883F 83	L884 L884F 84	L885 L885F 85	L886 L886F 86
	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	2900	7800

4.Technological parameter date

Model	Nominal diameter(DN）	Connection	Max Pressure(kg/m2）	Max allowable TMP(℃)	External dimensions(mm)				Referece weight（kg）
Model	Nominal diameter(DN）	Connection	Max Pressure(kg/m2）	Max allowable TMP(℃)	L	H1	H2	W	Referece weight（kg）
L880	15~20	Thread	17	350	128	76	70	96	2.2
L881	15~25		28	350	128	76	100	96	2.8
L882	15~25		27	350	170	96	137	145	7.0
L883	25~32		31	350	202	121	193	180	14.0
L884	32~40		37	350	235	152	212	203	23.0
L885	32~50		25	350	260	232	222	228	26.0
L881F	15~25	Flange	28	350	195	76	100	96	5.0
L882F	20~25		27	350	230	96	137	145	10.0
L883F	25~32		31	350	270	121	193	180	18.0
L883F	40~50		31	350	320	121	193	180	18.0
L884F	32~50		37	350	320	152	212	203	27.0
L885F	40~50		25	350	350	232	222	228	29.0
L816F	65~80		35	350	400	214	242	302	45.0

5.The essential to order

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
The maximum differential pressure of trap (The front operating pressure minus the back pressure of valve ) should be noted if has back pressure.
The maximum operating temperature of the trap
The operating condition of the trap
Ends connection6.Body material

Inverted Bucket Steam Traps

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