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Model: 981
Nominal diameter: DN15 ~ 65mm
Nominal pressure: PN0.01 ~ 1.6MPa
Operating temperature: ≤350 ℃
Main material: Forged steel, stainless steel, titanium steel, chromium molybdenum steel, low temperature steel
Operation: manual
Design specifications : GB / T 9093
Construction length: GB / T 12250
Threaded connection: ISO 228
Flange connection: JB / T 79, GB 9113, ANSI B16.34
Test and Inspection: GB / T 13927

Basic information]
 How it works:  Inverted hanging (set) bucket steam trap It is the use of condensed water and steam density difference principle of work, the internal structure is connected by the lever system upside down bucket to overcome the steam pressure switch inverted bucket trap inside is an inverted bucket for the liquid Bit-sensitive parts, inverted bucket opening down. When the device is started, air and low temperature condensate appear in the pipe. At this time, the trap is fully open, and the air and low temperature condensate are quickly discharged, and the device quickly raises the temperature. When steam enters the inverted bucket, the inverted bucket produces upward buoyancy, and the inverted bucket connects the lever to drive the valve to close the valve. Inverted bucket has a small hole to open the air automatically, as part of the steam discharged from the hole, the other part of the steam condensate, inverted bucket loses its buoyancy to sink, inverted bucket connected to the valve lever to open the valve lever. When the steam into the inverted bucket again, the valve closed again, work cycle, intermittent drainage.

 

Nominal pressure	PN16	PN25	PN40
Anti-air resistance function	Vents self-control	Vents self-control	Vents self-control
PMA maximum allowable pressure	1.6MPa@38 ℃	2.5MPa@38 ℃	4.1MPa@38 ℃
PMO maximum working pressure	1.3MPa@315 ℃	2.0MPa@200 ℃	2.5MPa@200 ℃
TMA maximum allowable temperature	425 ℃@1.1MPa	425 ℃@1.1MPa	425 ℃@2.6MPa
TMO maximum operating temperature	425 ℃@1.1MPa	425 ℃@1.1MPa	425 ℃@2.6MPa

Product number	Nominal diameter (mm)	Connection method	Working pressure (MPa)	The maximum allowable temperature	Dimensions				Weight (kg)
					L	H1	H2	W
980	15-20	Thread	0.01-1.0	350	128	76	70	96	2.2
981	15-25		0.01-1.6	350	128	76	100	96	2.8
982	15-25		0.01-1.6	350	170	96	137	145	7.0
983	25-32		0.01-1.6	350	202	121	193	180	14.0
884	32-40		0.01-1.6	350	235	152	212	203	23.0
885	32-50		0.01-1.6	350	260	232	222	228	26.0
816	50		0.01-1.6	350	302	214	242	202	42.0
881F	15-25	Flange	0.01-1.6	350	195	76	100	96	5
882F	20-25		0.01-1.6	350	230	96	137	145	10
883F	25-32		0.01-1.6	350	270	121	193	180	18
983F	40-50		0.01-1.6	350	320	121	193	180	18
884F	32-50		0.01-1.6	350	320	152	212	203	27
885F	40-50		0.01-1.6	350	350	232	222	228	29
816F	65-80		0.01-1.6	350	400	214	242	302	45