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CN | EN

Threaded Inverted Bucket Steam Traps

Technical Parameters

Product model: 881
Nominal diameter: DN15~50mm
Nominal pressure: PN1.6~4.0MPa
Working temperature: ≤350°C
Main materials: forged steel, stainless steel, titanium alloy steel, chromium molybdenum steel, low temperature steel
Drive mode: manual
Design specification: GB/T 9093

Product Details

How it works
The inverted bucket steam trap uses the working principle of the density difference between condensate and steam, the internal structure is connected by a lever system to the inverted bucket, overcome the steam pressure switch, and the inside of the inverted bucket trap is an inverted bucket for the level sensitive parts, and the opening of the inverted bucket is downward. When the unit is first started, air and low-temperature condensate appear in the pipe, and the trap is fully open, the air and low-temperature condensate are quickly discharged, and the device quickly increases the temperature. When the steam enters the inverted barrel, the inverted barrel generates upward buoyancy, and the inverted barrel is connected to the lever to drive the valve core to close the valve. There is a small hole on the inverted bucket, which can automatically exhaust air, when a part of the steam is discharged from the small hole, the other part of the steam produces condensate, the inverted bucket loses buoyancy and sinks, and the inverted bucket is connected to the lever to drive the valve core to open the valve. When the steam enters the inverted bucket again, the valve closes again, circulates and drains intermittently.

Structural features
1. Simple structure, not easy to fail. No latch or hinge structure, no fixed wear, good energy-saving effect. Wear-resistant chromium steel valve seat, stainless steel structure, long service life;
2. Intermittent discharge of impurities can be washed away, no dirt accumulation, automatic air exhaust;
3. There are a variety of orifice options, under different pressures, higher drainage flow can be achieved;
4. The internal parts are all installed on the valve cover, which is convenient for maintenance.


Main Dimensions

model The way to L H H1 Φ
980 DN15-DN25 125 180 102 103
981 DN15-DN25 125 180 102 103
982 DN20-DN25 170 238 130 145
983 DN32-DN40 205 322 192 178
984 DN32-DN40 235 380 212 203
985 DN40-DN50 255 416 252 220


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