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(换向)气动三通高压球阀

简要描述:RETZ(换向)进口气动三通高压球阀用来截断工作介质和使工作介质的液流换向,球阀不是设计为流量控制制阀,因此要么全开要么全闭以免损坏密封 (Reversing) The imported pneumatic three-way high-pressure ball valve is used to cut off the working medium and reverse the liquid flow of the working medium. The ball valve is not designed as a flow control valve, so it is either fully open or fully closed to avoid damage to the seal

  • 品牌:RETZ
  • 工况条件:换向
  • 温度/压力:P-T: 320bar@100℃
  • 更新时间:2022/11/23
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(换向)进口气动三通高压球阀阀芯为L形结构,转向过程中三个接口互相连接,旋转控制芯轴使液体按球口形状换向,同时无泄漏地截断对进口三通高压球阀2.jpg立的一侧,系统压力把球体推向密封的无压侧。球体无泄漏地截断从接口1到接口2或3的液流。当流向从接口2或3到接口1时,会有少许泄漏,但取决于压力 RETZ (Reversing) The inlet three-way high-pressure ball valve core is L-shaped structure. During the steering process, the three interfaces are connected with each other. Rotate the control spindle to make the liquid reverse according to the shape of the ball mouth. At the same time, cut off the opposite side without leakage. The system pressure pushes the ball toward the non pressure side of the seal. The ball can cut off the liquid flow from interface 1 to interface 2 or 3 without leakage. When the flow direction is from interface 2 or 3 to interface 1, there will be a little leakage, but it depends on the pressure


(换向)进口气动三通高压球阀阀 工作原理 working principle

L型通口.jpg

性能参数 Performance description

公称通径 DN(mm)

15

20

25

32

40

50

65

80

100

125

150

200

阀体形式

整体锻造阀体(DN50以内)、三段式锻造阀体(DN50以上)

公称压力

PN16.025.0 32.0MPaANSI 1503006009001500LB

连接形式

法兰式、焊接式、螺纹式(适用于PN45MPa以内)

密封填料

V型聚四氟乙烯填料、柔性石墨填料等

阀芯形式

O型球体阀芯

流量特性

近似快开特性

动作范围

090°0360°

泄露量Q

GB/T4213-92,小于额定KV0.01%

基本误差

带定位器:小于全行程的±2%

可调范围

2501

配置执行机构

ATARAW系列单双作用气动执行器

控制方式

开关两位控制能、420mA模拟量信号控制

执行器参数 Actuator parameters

采用双作用式和单作用式(弹簧复位)气动执行器,齿轮齿条传动,安全可靠;大口径阀门采用系列AW型气动执行器拔叉式传动,结构合理,输出扭矩大  Double acting and single acting (spring return) pneumatic actuators are used for rack and pinion transmission, which is safe and reliable; The large diameter valve adopts series AW pneumatic actuator fork type transmission, with reasonable structure and large output torque

执行器形式

ATARAW系列单双作用气动执行器

供气压力

0.40.7MPa

气源接口

G1/4"G1/8"G3/8"G1/2"

环境温度

-30+70℃

作用形式

单作用执行机构:气关式(B)--失气时阀位开(FO);气开式(K)--失气时阀位关(FC)
双作用执行机构:气关式(B)--失气时阀位保持(FL);气开式(K)-- 失气时阀位保持(FL)

可配附件

定位器、电磁阀、空气过滤减压器、保位阀、行程开关、阀位传送器、手轮机构等

1、齿轮式双活塞,输出力矩大,体积小 Gear type double piston, large output torque, small volume进口三通高压球阀3.jpg

2、可在顶部、底部安装手动操作机构 Manual operating mechanism can be installed at the top and bottom

3、齿条式连接可调节开启角度、额定流量 Rack type connection can adjust opening angle and rated flow

4、执行器可选带电讯号反馈指示及各类附件以实现自动化操作 The actuator can select live signal feedback indication and various accessories to realize automatic operation

5、IS05211标准连接为产品的安装更换提供了方便 IS05211 standard connection provides convenience for product installation and replacement

6、两端调的节螺钉可使标准产品在0°和90°有±4°的可调范围。确保与阀门的同步精度 The adjustable pitch screws at both ends can make the standard products have an adjustable range of ± 4 ° at 0 ° and 90 °. Ensure synchronization accuracy with the valve


特点Characteristic

耐高压,扭矩低,换向迅速 High pressure resistance, low torque, fast reversing

浮动球,出口侧密封,全流量流通 Floating ball, outlet side seal, full flow

通过限位销和限位垫限定开关位置 Limit switch position through limit pin and limit pad

无泄漏,不需要手工重调密封件 No leakage, no need to manually readjust the seal

通过控制手柄芯轴上的指示槽位观察开关位置 Observe the switch position through the indication slot on the control handle spindle

进口三通高压球阀4.jpg

主要零部件材料 Main parts and materials

零件名称

材料

阀体、阀盖

A105

304(CF8)

316(CF8M)

316L(CF3M)

球体

2Cr13+氮化处理

304

316

316L

阀杆

2Cr13

304

316

316L

阀座密封圈

PTFE、碳素纤维+PTFE、对位聚苯

填料

VPTFE、柔性石墨


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