供应杠杆浮球式疏水阀

 
杠杆浮球式疏水阀
lever-ball float trap
杠杆浮球式疏水阀
　　杠杆浮球式是利用浮力原理和杠杆原理，通过液位的变化使浮球上升或下降，浮球驱动着杠杆使得阀瓣离开或接触阀座达到开启排水和关闭阻汽的作用。采用自动排空气阀，能自动排除不凝结气体，非常灵敏，工作质量高，使用寿命长。连续排水，有水即排，最小过冷度为 0℃。杠杆浮球式疏水阀采用两种结构方式 a：单阀座-杠杆浮球; b：双平衡阀座-杠杆浮球。
　　单阀座：需要克服介质压力对阀座的作用，阀座的孔径不能很大，适用于小型设备、伴热管线，蒸汽主管等排水小的场合。阀座孔设计在凝结水水位以下，自然形成水封，水、汽自然分离，达到无蒸汽泄漏，即便没有凝结水采用球型密封的杠杆使得阀瓣紧贴阀座，达到无新鲜蒸汽的泄漏。不受凝结水量波动和温度的影响。
　　双平衡阀座：该阀利用双阀孔设计，介质的压力对两个阀座作用相等，方向相反，介质压力对阀座作用相抵消，阀芯在开阀时压力相对减少，从而获得超大排量。工作时浮球随阀腔内液体位的变化而上下浮动，带动杠杆打开或关闭阀座。由于阀座孔在凝结水水位以下，形成水封，水、汽自然分离，达到无蒸汽泄漏。不受压力、温度、冷凝水流量波动的影响。
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.
优点：
1、采用新型阀机构（新 sccv 关闭方式和z型结构），具有优良的密封性和耐久性。
2、双平衡阀座设计，比一般的疏水阀体积小而排量大，在特大排量场合更能发挥优越性。
3、单阀座设计可以水平或垂直安装，可以满足高背压，低排量蒸汽管线。
4、内装空气自动排放阀，可防止空气气堵和蒸汽汽锁。
5、全部部件安装在阀盖上，阀无需从配管上卸下，就可维修保养，简单方便。
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.
技术参数/technique parameter
壳体压力等级
shell pressure grade
负荷泄漏率
load leakage rate
使用介质
used medium
允许背压率
permitted backpressure rate
节能效果
energy saving effect
最大工作压差
maximum operating pressure differential
1.6、2.5、4.0、10mpa
≈0%
蒸汽、凝结水
steam、condensate water
≥90%
优秀/良好
excellence/good
10mpa
最小过冷度
minimum subcooled temperature
排水方式
drainage method
最高允许温度
maximum allowable temperature
排空气装置
air exhaust system
压力变化范围
pressure change range
0℃
连续方式
continue mode
420℃
自动
automatic
适应
adaption
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
铸钢、不锈钢cast steel、stainless steel
浮球、杠杆float ball、lever
304不锈钢304 stainless steel
双平衡阀座dual balance valve seat
stl合金和不锈钢组合combination of stl alloy and stainless steel
自动排空气装置automatic air exhaust
不锈钢、热敏元件stainless steel、thermo-sensitive element
过滤网filtrating screen
不锈钢stainless steel
杠杆浮球式疏水阀
lever-ball float trap
外型尺寸和重量/prime out-form dimensions and weigh
产品型号
product model
口径(dn)
calibre
l
l1
h
h1
h2/w
重量(kg)
weight
使用压力范围(mpa)
pressure change range
公称压力(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、选型时请提供工作压力、工作压差、凝结水发生量、工作温度、连接方式及标准。
2、双平衡阀座凝结水负荷的安全系数一般为1.5～2倍，单阀座凝结水负荷的安全系数为3。
3、正确安装、定期保养清除阀内污物，保证疏水阀正常工作和延长使用寿命。
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.
杠杆浮球式疏水阀
lever-ball float trap
技术参数/technique parameter
壳体压力等级
shell pressure grade
负荷泄漏率
load leakage rate
使用介质
used medium
允许背压率
permitted backpressure rate
节能效果
energy saving effect
最大工作压差
maximum operating pressure differential
1.6、2.5、4.0mpa
≈0%
蒸汽、凝结水
steam、condensate water
≥90%
优秀/良好
excellence/good
3.2mpa
最小过冷度
minimum subcooled temperature
排水方式
drainage method
最高允许温度
maximum allowable temperature
排空气装置
air exhaust system
压力变化范围
pressure change range
0℃
连续方式
continue mode
420℃
自动
automatic
适应
adaption
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
铸钢、不锈钢cast steel、stainless steel
浮球、杠杆float ball、lever
304不锈钢304 stainless steel
单阀座single valve base
stl合金stlalloy steel
自动排空气装置automatic air exhaust
不锈钢、热敏元件stainless steel、thermo-sensitive element
过滤网filtrating screen
不锈钢stainless steel
外型尺寸和重量/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
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
杠杆浮球式疏水阀
lever-ball float trap

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北京疏水阀门厂广西销售处
孙先生
13481104141
广西省南宁市北大物资机电市场2街108号

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