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雙平衡杠桿浮球式疏水閥-GH4

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更新時間:2022-07-05 14:22:48瀏覽次數(shù):251

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產(chǎn)品簡介

產(chǎn)品介紹:杠桿浮球式是利用浮力原理和杠桿原理挽沧,通過液位的變化使浮球上升或下降壹会,浮球驅(qū)動著杠桿使得閥瓣離開或接觸閥座達到開啟排水和關閉阻汽的作用

詳細介紹

產(chǎn)品介紹:

      杠桿浮球式是利用浮力原理和杠桿原理嘱董,通過液位的變化使浮球上升或下降听番,浮球驅(qū)動著杠桿使得閥瓣離開或接觸閥座達到開啟排水和關閉阻汽的作用。采用自動排空氣閥图兑,能自動排除不凝結氣體核看,非常靈敏,工作質(zhì)量高蔫卦,使用壽命長券豺。連續(xù)排水滚蚪,有水即排,最小過冷度為 0℃读黑。杠桿浮球式疏水閥采用兩種結構方式A:單閥座-杠桿浮球 B:雙平衡閥座-杠桿浮球
      單閥座:需要克服介質(zhì)壓力對閥座的作用蛉幸,閥座的孔徑不能很大,適用于小型設備丛晦、伴熱管線奕纫,蒸汽主管等排水小的場合。閥座孔設計在凝結水水位以下烫沙,自然形成水封匹层,水、汽自然分離锌蓄,達到無蒸汽泄漏升筏,即便沒有凝結水采用球型密封的杠桿使得閥瓣緊貼閥座,達到無新鮮蒸汽的泄露瘸爽。不受凝結水量波動和溫度的影響您访。
      雙平衡閥座:該閥利用雙閥孔設計,介質(zhì)的壓力對兩個閥座作用相等蝶糯,方向相反洋只,介質(zhì)壓力對閥座作用相抵消辆沦,閥蕊在開閥時壓力相對減少昼捍,從而獲得超大排量。工作時浮球隨閥腔內(nèi)液體位的變化而上下浮動丛滋,帶動杠桿打開或關閉閥座央匀。由于閥座孔在凝結水水位以下,形成水封技窝,水试著、汽自然分離,達到無蒸汽泄漏叙冕。不受壓力橱柒、溫度、冷凝水流量波動的影響鹉某。


Lever-ball float trap


Lever ball float type trap employs the buoyancy principle and the lever principles:to make the ball float ascend or descend by the change in the liquid level and then the ball float drives the lever to make the valve disc from or touch the valve seat to realize drainage and closed block vapor. The product adopts the automatic air  exhaust to automatically eliminate non-condensing air.It is very precise with high operating and long service life.It can discharge whenever there is any water,and its minimum subcooled temperature is 0℃.The lever-ball float trap adopts two kinds of structure modes:A:Single valve seat-lever ball float;B:double balanced valve seat-lever ball float.

Single valve seat:it needs to overcome the operation on the valve seat by the medium pressure;the hole caliber of the valve seat cannot be too large and is applicable to such low displacement condition as mini-equipment,steam tracing pipeline and steam main pipe.The hole of the valve seat is designed beneath the water level of the condensate water to form water sealing to keep water apart from vapor,so as to prevent the leakage of the vapor.Though there is no condensate water that uses ball-type sealed lever to make the valve clack tightly adhesion to the valve seat,it can prevent the fresh vapor from leakage.Further,the product is free of the affect of the fluctuation of the condensate water's quantity and temperature.

The double balanced valve seat:this valve is designed to have two valve openings.The pressure of the medium act against the two valve seats equally in reverse direction,so the pressure on the valve seat is offset,the valve core assumes relatively low pressure when the valve is open,in this way the overlarge displacement is obtained.During the operating process,the ball float floats with the change in liquid level of the valve cavity to make the lever open or close the valve seat.The hole of the valve seat is designed beneath the water level of the condensate water to form water sealing to keep water apart from vapor,so as to prevent the leakage of the vapor.Further,the product is free of the affect caused by the fluctuation of pressure,temperature and condensate's flow. 


優(yōu)點:

1主靡、采用新型閥機構(新 SCCV 關閉方式和Z型結構),具有優(yōu)良的密封性和耐久性继躁。 
2否艺、雙平衡閥座設計,比一般的疏水閥體積小而排量大虎炸,在特大排量場合更能發(fā)揮*性盒苛。
3怜俐、單閥座設計可以水平或垂直安裝,可以滿足高背壓邓尤,低排量蒸汽管線拍鲤。
4、內(nèi)裝空氣自動排放閥汞扎,可防止空氣氣堵和蒸汽汽鎖殿漠。
5、全部部件安裝在閥蓋上佩捞,閥無需從配管上卸下绞幌,就可維修保養(yǎng),簡單方便一忱。


Merits

1.To use new-style valve mechanism (new SCCV closing mode and Z-shaped structure) to boast excellent tightness and endurance.
2.To employ double balanced valve seat design,it has smaller volume and larger displacement and can exert its advantages when needing large displacement.
3.The single valve seat model can be installed horizontally and vertically,satisfying the requirements of steam pipeline with high backpressure and low displacement.
4.The built-in automatic air exhaust can prevent air blocking and steam locking;

5.As all components are installed on the valve cover,so they can be maintained and cleaned up simply and easily without being removed from pipe arrangement.

雙平衡杠桿浮球式疏水閥/DOUBLE BALANCE LEVER-BALL FLOAT TRAP

技術參數(shù)/Technique parameter

殼體壓力等級

Shell

pressure grade

負荷泄漏率

Load leakage

使用介質(zhì)

Used

medium

允許背壓率

Permitted backpressure

rate

節(jié)能效果

Energy

saving

effect

工作壓差

Maximum

operating

pressure

differential

1.6莲蜘、

2.5、

4.0帘营、

10MPA

≈0%

蒸汽票渠、凝結水

Steam、

Condensate

water

≥90%

優(yōu)秀/

良好

Excellence/

good

10MPA

最小過冷度

Minimum

subcooled

temperature

排水方式

Drainage

method

允許溫度

Maximum

allowable

temperature

排空氣裝置

Air

exhaust

system

壓力變化范圍

Pressure

change

range

0℃

連續(xù)方式 Continue mode

420℃

自動 Automatic

適應 Adaption


主要零件材料/The materials of primary accessories

零部件名稱 Part and component name

材質(zhì)Material

閥體芬迄、閥蓋

Valve body裙闪、Valve cover

鑄鋼、不銹鋼

Cast steel瘤贷、Stainless steel

浮球俯够、杠桿

Float ball、Lever

304不銹鋼

304 Stainless steel

雙平衡閥座

Dual Balance valve seat

STL合金和不銹鋼組合

Combination of STL alloy and Stainless steel

自動排空氣裝置

Automatic air exhaust

不銹鋼招惜、熱敏元件

Stainless steel峰适、Thermo-sensitive element

過濾網(wǎng)

Filtrating screen

不銹鋼

Stainless steel

外形尺寸和重量/Prime out-form dimensions and weigh

產(chǎn)品型號

Product

model

口徑(DN)

Calibre

L

L1

H

H1

H2/W

重量(kg)

weight

使用壓力

范圍(MPa)

Pressure

change

range

公稱壓力

(MPa)

Nominal

pressure

GH4

25-65

345

426

438

300

280

80

0.1-5.0

10.0



排水量/Capacity


注解:

1、選型時請?zhí)峁┕ぷ鲏毫ε锓骸⒐ぷ鲏翰畎幸觥⒛Y水發(fā)生量、工作溫度牢米、連接方式及標準怀拨。

2、雙平衡閥座凝結水負荷的安全系數(shù)一般為1.5~2倍郊舅,單閥座凝結水負荷的安全系數(shù)為3妒槐。

3、正確安裝瞎嬉、定期保養(yǎng)清除閥內(nèi)污物蝎毡,保證疏水閥正常工作和延長使用壽命。

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 safely coefficient for condensate water load of dual balance valve seat is generally 1.5 to 2 times,and the safely coefficient for condensate water load of single valve seat is 3 times.

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.

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