981 Inverted Bucket Steam Trap
Product overview
Product model: 981
Nominal diameter: DN15~65mm
Nominal pressure: PN0.01~1.6MPa
Operating temperature: ≤350℃
Main material: forged steel, stainless steel, titanium alloy steel, chromium molybdenum steel, low temperature steel
Drive mode: manual
Design specification: GB/T 9093
Structure length: GB/T 12250
Threaded connection: ISO 228
Flanged connection: JB/T 79,GB 9113,ANSI B16.34
Test and inspection: GB/T 13927
981 Inverted Bucket Steam Trap Basic information
Working principle of 981 inverted bucket steam trap produced and sold by Baigang valve group: 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 |
981 Inverted Bucket Steam Trap main dimensions
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 |
Reminder:
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