Pilot-Operated Inverted Bucket Steam Trap - ESH8
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Detailed Introduction
Inverted Bucket Trap
The interior of the inverted bucket steam trap:this valve adopts the operating principles of density difference between condensate water and steam,and the leverage system connects with inverted bucket to form its internal structure,thus controlling the open and close of the steam pressure.The interior of the inverted bucket steam trap is an inverted bucket,a liquid level sensitive part,with the bucket's opening downward.When the device just started,air and low temperature condensate water occur in the pipes,at the moment the steam trap opens thoroughly,the air and low-temperature condensate water are discharged rapidly and the temperature of the device rises immediately.When any steam enters into the inverted bucket,the bucket will obtain buoyancy and the fixed lever of the bucket drives the valve core to close the valve.There is small aperture on the inverted bucket,which can discharge air automatically.As some of steam is discharged from such aperture,while other steam produces condensate water.The inverted bucket loses the buoyancy and sinks down and its fixed lever drives the valve core to open the valve.When the steam re-enters into the bucket,the valve will close again.It repeats the said procedures to discharge water intermittently.
The inverted bucket steam trap is one of the most solid mechanical steam traps. It has the following advantages: it is not afraid of water hammer, can continuously discharge non condensing gas, and has good anti pollution performance; the maximum back pressure is ≥ 90%, all internal parts are made of stainless steel, wear-resistant and anti-corrosion; the ball valve core and valve seat are in line contact, with good sealing performance and long service life; intermittent drainage and continuous drainage It can discharge condensate close to saturation temperature and make heating equipment reach ideal working efficiency. The valve seat of inverted bucket steam trap is under the protection of water seal, and there is no live steam leakage during operation, so the effect of energy saving is good.
The product applies to such industrial steam heating equipment as petroleum,chemical,printing,paper making and pharmaceuticals and discharge of the steam pipe network.
Merits
1.All moving parts of the internal cavity are made of stainless steel,capable of resistance to abrasion and erosion.
2.As the steam cannot reach the sealed aperture of the valve seat by water,the steam will not lose but has high efficiency and save energy.
3.The float bucket is located inversely.It can resist to water's strike and has long service lift.
4.The invented bucket has gas vent and performance of discharging the air continuously is excellent,without forming cool hysteresis and air blocking.
5.It is free of the affect of the back pressure and can perform well under high back pressure.
6.It has reliable operation and only two moving parts—free lever structure and inverted bucket,so no blockage is produced.
7.The valve seat and valve disc are located at the top of the valve.The valve disc allows the pollutants to pass,so it attains good self-cleaning performance,without affected by pollutants.
Main Features
1.Have strong adaptive capacity to the occurrence quantity of condensation water,namely,the ability to both intermittent and continuous discharge.
2.Reliable separation of steam and water,the inner part of the valve is always in water seal state,which can effectively prevent the leakage of steam.
3.Open mouth-shaped float resists water attack,and is equipped with a vent so as to prevent vapor lock or gas block.
4.Mainly used in the steam main pipe,sub-cylinder,heat exchanger,vulcanizing machine,dryer,air-conditioning machine,hospital steam equipment,etc.
先导倒吊桶式疏水阀/THE PILOT INVERTED BUCKET TRAP
技术参数/Technique parameter
产品型号 Product model | 技术参数/ Technique parameter | |||
阀体材料 Valve body materials | PMA （Mpa） | 最高允许 温度（℃） Maximum Allowable temperature |
适用介质 Used medium
| |
ESH21（W/F） | 碳钢Carbon steel | 6.4 | 425 |
蒸汽、凝结水 Steam、 Condensate water |
ES5、 ESU5、 ESU5F ES8B、 ES10F、 ES12N | 碳钢 Carbon steel | 2.5 | 425 | 蒸汽、凝结水 Steam、 Condensate water |
主要零件材料/The materials of primary accessories
零部件名称 Part and component name | 材质 Material |
阀体、阀盖 Valve body、Valve cover | 铸铁、WCB、不锈钢 Cast-iron、WCB、Stainless steel |
浮桶 Bucket float | 不锈钢 Stainless steel |
阀座、阀瓣 Valve seat、Valve clack | 不锈钢 Stainless steel |
自动排空气装置 Automatic air exhaust | 不锈钢 Stainless steel |
过滤网 Filtrating screen | 不锈钢 Stainless steel |
外形尺寸和重量/Prime out-form dimensions and weigh
产品型号 Product model | 口径(DN) Calibre | L法兰 Flange | L螺纹/ 焊接 Thread/ welding | H1 | H2 | W | 重量(kg) weight | 使用压力 范围(MPa) Pressure change range | 公称压力 (MPa) Nominal pressure |
ESH8（W/F） | 15-25 | 230 | 235 | 102 | 110 | 136 | 5/7 | 0.1-1.6·2.1 | 2.5 |
排水量/Capacity
Note
1.Please provide operating pressure and operating pressure difference,generating quantity of condensate water,operating temperature,connecting mode and standards in selecting product models.
2.The load of condensate water’s safety coefficient reaches 2 to 3 times in general.
3.Please make sure the drain valve is installed properly,maintained regularly,cleaned up and operates under the normal condition,so as to extend its service life.
4.The products with same mantissa figure at their models have the same discharge capacity.
