阿斯卡美国8290气控阀产品介绍

阿斯卡美国8290气控阀产品介绍

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316L Stainless Steel Brass 303 Stainless Steel Stuffing Box Seal PTFE PTFE Chevron PTFE Chevron Wiper 

反之，当气源从P2进入气缸时，气缸中活塞2在气压作用下向上运动，

气控三通阀门由上、中、下3部分组成,上部为一双作用气缸，中部为一旋转部组件,

or stainless steel. There are many optional features including visual/electrical position indicator or a stroke limiter. 

The 8290 Series is suitable for the following applications: 

当活塞2向下运动至气缸下端时，螺旋导套旋转90°，螺旋导套带动球阀阀杆8旋转90°，

阀芯13旋转90°，这样Ⅰ腔与Ⅱ腔隔离，Ⅰ腔与Ⅲ腔相通。

 • NET-INOX treatment (stainless steel valve body pickled in nitric/hydrofluoric acid bath), add suffix “NI”. 

• All 316L stainless steel versions (available on request). See inside back cover for the following constructions:

阀芯13反向旋转90°，这样Ⅰ腔与Ⅲ腔隔离，Ⅰ腔与Ⅱ腔相通。

• General Service (air, inert gas, water, oil, light slurries) • Steam and Hot Water

2/2 SERIES 829

Valve Parts in Contact with Fluids Part 32mm 50mm - 125mm 50mm - 125mm
Body 316L Stainless Steel Bronze 316L

 Stainless Steel Stem 316L Stainless Steel 431 Stainless Steel 431 Stainless Steel Stuffing Box      

气控三通阀门可以通过气动电磁换向阀控制P1、P2口的进出气方向来控制。

 add suffix “VI” (note: position indicator standard on 63mm through 125mm operators).

 Compact Positioner for proportional control Compact Signaling Unit Signaling Box Linear Position Indicator Stroke Limiter

气控三通阀门可以通过电－气控制技术在过程中实现自动控制。

The 8290 Series consists of 2-way direct acting valves available in normally closed or normally open

Air or Water Pilot Operated Angle Body Multi-Purpose Valves Bronze or 316L Stainless Steel Bodies 3/8" to 2 1/2" NPT、

下部为一三通球阀。活塞2在气缸上端时，Ⅰ腔与Ⅱ腔相通,当气源从P1进入气缸时，

气缸中活塞2在气压的作用下向下运动，

活塞杆3带动滚柱5沿螺旋导套壳体导向槽向下运动使螺旋导套6旋转，

PTFE Screw 316L Stainless Steel -  
For all optional AISI 316L Stainless Steel constructions, contact ASCO

Alternate Valve Constructions • Oxygen service, add suffix "N". • Medium vacuum service up to 7 x 10-3 Torr, 

add suffix "VM". • Visual Position Indicator for normally closed valve with 32mm or 50mm operator,

压力操作,黄铜/不锈钢阀体,内螺纹接口,3/8-2 1/2,

气控三通阀门可以通过的介质为流体、气液混合体及半流体。 

Pilot Fluid Temperature Range: 15˚F to 140˚F Maximum Viscosity: 2,700 SSU For higher viscosity applications, please consult ASCO.

Seal FKM FKM FKM Disc 316L Stainless Steel Brass 304L Stainless Steel Disc Seal PTFE PTFE 

活塞杆3带动滚柱5向上运动，使螺旋导套6旋转，当活塞2向上运动至气缸上端时，

 constructions. Built for demanding applications, these valves come in a straightthrough body design made of bronze 

介质温度:-10℃～+184℃，操作压差：O-16公斤 

Specifications Ambient Temperature Range: 15˚F to 140˚F (32˚F to 122˚F for proportional) 

螺旋导套向反方向旋转90°，螺旋导套带动球阀阀杆8反向旋转90°，

阿斯卡美国8290气控阀产品介绍