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首页 > 产品中心 > RETZ阀门/(瑞茨) > 气动阀及气动元件 > 进口气动法兰截止阀

进口气动法兰截止阀

简要描述:RETZ品牌 进口气动法兰截止阀是气动单元组合仪表中的执行单元。具有结构简单、操作力大、体形小、重量轻、流阻小、容量大、密封性能好、维修方便等优点。而广泛应用于石油、化工、冶金、电力、轻纺等生产过程中的自动化控制系统中。The inlet pneumatic flange stop valve is the actuating unit of the pneumatic unit combination instrument. The utility model has the advantages of simple structure, large operation force, small size, light weight, small flow resistance, large capacity, good sealing performance, convenient maintenance, etc. It is widely used in the automatic control system in the production process of petroleum, chemical industry, metallurgy, electric power, light textile, etc.

  • 品牌:RETZ(瑞茨)/美国
  • 工况条件:气开/气关
  • 温度/压力:P-T:64bar-350℃
  • 更新时间:2022/07/08
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进口气动法兰截止阀 应用 Application of Pneumatic Flange Stop Valve

气动法兰截止阀的执行器有薄膜式和活塞式,具有低流阻、双重密封结构的切断阀组成。本产品性能优良、规格齐全,还有形体小重量轻等优点,它能满足化工、石油、冶金和其它工业部门生产过程中自动快速排放和紧急切断的操作要求,适用于生产过程和设备的安全保护系统,也适用于一般的两位控制和开关操作场合 RETZ The actuators of the pneumatic flange stop valve are diaphragm type and piston type, and the valve is composed of low flow resistance and double sealing structure. This product has the advantages of excellent performance, complete specifications, small size and light weight. It can meet the operation requirements of automatic fast discharge and emergency cut-off in the production process of chemical, petroleum, metallurgy and other industrial departments. It is suitable for the safety protection system of production process and equipment, and also for the general two position control and switch operation occasions


进口气动法兰截止阀 特点 Features of pneumatic flange stop valve

执行机构动作速度快、推力大、有自复位功能、带手操机构 The actuator has fast action speed, large thrust, self reset function and manual operation mechanism

阀体流路通畅、流量系数大、阀芯阀座有弹性和刚性串级双重密封 The flow path of the valve body is smooth, the flow coefficient is large, and the valve core and valve seat are elastically and rigidly sealed in series 

独特的结构快速动作、严密切断、安全可靠的高性能切断 Unique structure, fast action, tight cutoff, safe and reliable high-performance cutoff


活塞式参数   Piston type parameters                                                                                                                       

公称压力 MPa

1.6-6.4

进口气动法兰截止阀2.jpg

公称通径 mm

25

40

50

65

80

100

125

150

200

额定流量系数 Kv

10

25

40

63

100

160

400

630


额定行程 mm

10

16

30

60

气缸有效面积 cm²

180

    360

       700

       1400

全行程时间 S

1

1.5

2

允许压差 MPa

6.4

4.8

3.1

2.9

2.7

1.6

硬密封∶1×10¯7阀额定容量

软密封;VI级(GB/T4213

操作压力 KPa

500

工作温度

-40~+250-40~+450-40~+180(软密封)

环境温度

-40+70

阀体、阀盖

WCB/304不锈钢

阀芯、阀座

1Cr18Ni9OCr18Ni12Mo2Ti,密封面堆焊史太立合金

阀座圈

0Cr18Ni12Mo2Ti,聚四氟乙烯

填料

聚四氟乙烯,柔性石墨


薄膜式参数 Membrane type parameter

公称通径 DN(mm)

15

20

25

32

40

50

65

80

100

125

150

200

进口气动法兰截止阀3.jpg

额定流量系数 Kv

套筒



1n

20

30

48

75

120

190

300

480

760

单座

5

7

1

20

30

48

75

120

190

300

480

760

三通

定行 (mm)

8

12

20

25

40

50

允许泄漏量

(I/h)

套筒5×10-5×阀额定容量单座、三通1.2×10-7×阀的额定容量

软密封(ml/min)

 无

温度(℃)

-20~+200-40~+425

膜片有效面积(cm²)(薄膜式切断阀)

100

200

400

600

1000

公称压力PN(MPa)

1.6 -6.4

允许压差(MPa)

单座

6.4

6.4

3.8

2.5

2.9

1.8

2

1.3

0.83

0.8

0.55

0.52

套筒

6.4

信号压力(KPa)

200(薄膜式)

阀体

WCB ,ZG1Cr18Ni9Ti

阀塞套筒

1Cr18Ni9Ti,0Cr18Ni12Mo2Ti

阀芯、阀座

1Cr18Ni9Ti,0Cr18Ni12Mo2Ti

填料

聚四氟乙烯柔性石墨


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