阿斯卡美國8290氣控閥產品介紹

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

反之，當氣源從P2進入氣缸時，氣缸中活塞2在氣壓作用下向上運動，

氣控三通閥門由上、中、下3部分組成,上部為一雙作用氣缸，中部為一旋轉部組件,

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: 

當活塞2向下運動至氣缸下端時，螺旋導套旋轉90°，螺旋導套帶動球閥閥桿8旋轉90°，

閥芯13旋轉90°，這樣Ⅰ腔與Ⅱ腔隔離，Ⅰ腔與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:

閥芯13反向旋轉90°，這樣Ⅰ腔與Ⅲ腔隔離，Ⅰ腔與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      

氣控三通閥門可以通過氣動電磁換向閥控制P1、P2口的進出氣方向來控制。

 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

氣控三通閥門可以通過電－氣控制技術在過程中實現自動控制。

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、

下部為一三通球閥。活塞2在氣缸上端時，Ⅰ腔與Ⅱ腔相通,當氣源從P1進入氣缸時，

氣缸中活塞2在氣壓的作用下向下運動，

活塞桿3帶動滾柱5沿螺旋導套殼體導向槽向下運動使螺旋導套6旋轉，

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,

壓力操作,黃銅/不銹鋼閥體,內螺紋接口,3/8-2 1/2,

氣控三通閥門可以通過的介質為流體、氣液混合體及半流體。 

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 

活塞桿3帶動滾柱5向上運動，使螺旋導套6旋轉，當活塞2向上運動至氣缸上端時，

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

介質溫度:-10℃～+184℃，操作壓差：O-16公斤 

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

螺旋導套向反方向旋轉90°，螺旋導套帶動球閥閥桿8反向旋轉90°，

阿斯卡美國8290氣控閥產品介紹