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杠桿浮球式疏水閥

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  • 型號 sft44/46
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  • 所在地 上海市
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更新時間:2016-05-17 16:36:12瀏覽次數:1319

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杠桿浮球式是利用浮力原理和杠桿原理,通過液位的變化使浮球上升或下降,浮球驅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,能自動排除不凝結氣體,非常靈敏,工作質量高,使用壽命長。連續排水,有水即排,Z小過冷 度為 0℃。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。

詳細介紹

杠桿浮球式疏水閥

LEVER-BALL FLOAT TRAP

 

  杠桿浮球式疏水閥

  杠桿浮球式是利用浮力原理和杠桿原理,通過液位的變化使浮球上升或下降,浮球驅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,能自動排除不凝結氣體,非常靈敏,工作質量高,使用壽命長。連續排水,有水即排,zui小過冷 度為 0。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:需要克服介質壓力對閥座的作用,閥座的孔徑不能很大,適用于小型設備、伴熱管線,蒸汽主管 等排水小的場合。閥座孔設計在凝結水水位以下,自然形成水封,水、汽自然分離,達到無蒸汽泄漏,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 無新鮮蒸汽的泄漏。不受凝結水量波動和溫度的影響。

  雙平衡閥座:該閥利用雙閥孔設計,介質的壓力對兩個閥座作用相等,方向相反,介質壓力對閥座作用相 抵消,閥芯在開閥時壓力相對減少,從而獲得超大排量。工作時浮球隨閥腔內液體位的變化而上下浮動,帶動杠桿打開或關閉閥座。由于閥座孔在凝結水水位以下, 形成水封,水、汽自然分離,達到無蒸汽泄漏。不受壓力、溫度、冷凝水流量波動的影響。

 

Lever-ball float trap

The lever-ball float type trap employs the buoyancy and leverage 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 depart from or touch the valve seat to realize drainage and close the block vapor. The product adopts the automatic air exhaust to automatically eliminate non-condensing air. It is very precise with high operating quality 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.

 


 

優點:

1、采用新型閥機構(新 SCCV 關閉方式和Z型結構),具有優良的密封性和耐久性。

2、雙平衡閥座設計,比一般的疏水閥體積小而排量大,在特大排量場合更能發揮*性。

3、單閥座設計可以水平或垂直安裝,可以滿足高背壓,低排量蒸汽管線。

4、內裝空氣自動排放閥,可防止空氣氣堵和蒸汽汽鎖。

5、全部部件安裝在閥蓋上,閥無需從配管上卸下,就可維修保養,簡單方便。

 

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.

 

技術參數/Technique parameter

殼體壓力等級

Shell pressure grade

負荷泄漏率

Load leakage rate

使用介質

Used medium

允許背壓率

Permitted backpressure rate

節能效果

Energy saving effect

zui大工作壓差

Maximum operating pressure differential

1.62.54.010MPA

≈0%

蒸汽、凝結水

SteamCondensate water

≥90%

優秀/良好

Excellence/good

10MPA

 

zui小過冷度

Minimum subcooled temperature

排水方式

Drainage method

zui高允許溫度

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Material

閥體、閥蓋Valve bodyValve cover

鑄鋼、不銹鋼Cast steelStainless steel

浮球、杠桿Float ballLever

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、熱敏元件Stainless steelThermo-sensitive element

過濾網Filtrating screen

不銹鋼Stainless steel

LEVER-BALL FLOAT TRAP


外型尺寸和重量/Prime out-form dimensions and weigh

產品型號

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

GSB2

15~25

32~50

200

210

310

230

83

59

21

0.1-2.0

2.5-4.0

GSB4

32~50

200

380

310

105

90

46

0.1-2.0

2.5-4.0

GSB6

40~80

270

439

345

130

88

85

0.1-2.0

2.5-4.0

GSB8

80~200

350

608

482

174

120

146

0.1-2.0

2.5-4.0

G3

GH3

25~32

40

50

427

437

457

-

280

115

230

45

46

48

0.1-3.2

4.0

G5

GH5

50

65~100

360

570

-

315

315

113

113

275

275

52

70

0.1-3.2

4.0

GH4

30~65

345

426

438

300

280

80

0.1-5.0

10.0

YS150-K10

YS250-M12

65~100

275

275

445

520

445

440

190

230

115

115

 

0.1-2.0

2.5-4.0

YS150-L10

YS250-L10

50~65

225

440

-

190

110

 

0.1-2.0

2.5-4.0


注解:

1、選型時請提供工作壓力、工作壓差、凝結水發生量、工作溫度、連接方式及標準。

2、雙平衡閥座凝結水負荷的安全系數一般為1.52倍,單閥座凝結水負荷的安全系數為3

3、正確安裝、定期保養清除閥內污物,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 safety coefficient for condensate water load of dual balance valve seat is generally 1.5 to 2 times, and the safety 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.

LEVER-BALL FLOAT TRAP


 


技術參數/Technique parameter

殼體壓力等級

Shell pressure grade

負荷泄漏率

Load leakage rate

使用介質

Used medium

允許背壓率

Permitted backpressure rate

節能效果

Energy saving effect

zui大工作壓差

Maximum operating pressure differential

1.62.54.0MPA

≈0%

蒸汽、凝結水

SteamCondensate water

≥90%

優秀/良好

Excellence/good

3.2MPA

 

zui小過冷度

Minimum subcooled temperature

排水方式

Drainage method

zui高允許溫度

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Material

閥體、閥蓋Valve bodyValve cover

鑄鋼、不銹鋼Cast steelStainless steel

浮球、杠桿Float ballLever

304不銹鋼304 Stainless steel

單閥座Single valve base

STL合金STLalloy steel

自動排空氣裝置Automatic air exhaust

不銹鋼、熱敏元件Stainless steelThermo-sensitive element

過濾網Filtrating screen

不銹鋼Stainless steel

 

外型尺寸和重量/Prime out-form dimensions and weigh

產品型號

Product model

口徑(DN)

Calibre

L法蘭

Flange

L螺紋/焊接

Thread/welding

H1

H2

W

重量(kg)

Weight

使用壓力范圍(Mpa)

Pressure change range

公稱壓力(Mpa)

Nominal pressure

FQ11

15-25

-

125

55

55

110

4

0.1-2.5

2.5

FQ21

15-25

-

170

74

74

148

-

0.1-2.5

2.5

FQ31

15-25

-

-

105

105

210

 

0.1-2.5

2.5

FQ41

15-50

-

-

137

137

274

 

0.1-2.5

2.5

FQ14

15-25

200

-

55

55

110

5

0.1-2.5

2.5

FQ24

15-25

230

-

74

74

148

 

0.1-2.5

2.5

FQ34

15-50

290

230

105

105

170

 

0.1-2.5

2.5

FQ44

15-50

320

260

137

137

235

 

0.1-2.5

2.5

FQ21-40

15-25

-

200

85

85

235

 

0.1-3.2

4.0

FQ31-40

15-50

-

270

118

118

170

 

0.1-3.2

4.0

FQ41-40

15-50

-

280

137

137

210

 

0.1-3.2

4.0

FQ24-40

15-25

340

-

85

85

274

 

0.1-3.2

4.0

FQ34-40

15-50

260

-

118

118

274

 

0.1-3.2

4.0

FQ44-40

15-50

330

-

137

137

274

45

0.1-3.2

4.0

LEVER-BALL FLOAT TRAP


技術參數/Technique parameter

殼體壓力等級

Shell pressure grade

負荷泄漏率

Load leakage rate

使用介質

Used medium

允許背壓率

Permitted backpressure rate

節能效果

Energy saving effect

zui大工作壓差

Maximum operating pressure differential

1.62.54.06.4MPA

≈0%

蒸汽、凝結水

SteamCondensate water

≥90%

優秀/良好

Excellence/good

4.0MPA

 

zui小過冷度

Minimum subcooled temperature

排水方式

Drainage method

zui高允許溫度

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Material

閥體、閥蓋Valve bodyValve cover

鑄鋼、不銹鋼Cast steelStainless steel

浮球、杠桿Float ballLever

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、熱敏元件Stainless steelThermo-sensitive element

過濾網Filtrating screen

不銹鋼Stainless steel

 

外型尺寸和重量/Prime out-form dimensions and weigh

 

產品型號

Product model

口徑(DN)

Calibre

L

L1

H

H1

W

重量(kg)

Weight

使用壓力范圍(Mpa)

Pressure change range

公稱壓力(Mpa)

Nominal pressure

FT44

25-50

240

400

245

110

190

30

0.1-2.5·3.2

4.0

FT44G-3C

25-50

240

400

245

110

190

30

0.1-2.5·4.0

4.0-6.4

FT44G-3V

FT44G-3P

FT44G-4C

50-100

350

500

350

125

250

60

0.1-2.5·4.0

4.0-6.4

FT44G-4V

FT44G-4P

FT44G-5C

50-125

500

600

450

175

350

90

0.1-2.5·4.0

4.0-6.4

FT44G-5V

FT44G-5P

FT44G2-3C

65-100

285

700

245

140

126

60

0.1-2.5·4.0

4.0-6.4

FT44G2-3V

FT44G2-3P

FT44G2-4C

80-150

400

850

350

125

250

120

0.1-2.5·4.0

4.0-6.4

FT44G2-4V

FT44G2-4P

FT44G2-5C

100-200

550

1000

450

175

350

180

0.1-2.5·4.0

4.0-6.4

FT44G2-5V

FT44G2-5P

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