阿斯卡美國8290氣控閥產(chǎn)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(dāng)氣源從P2進(jìn)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(zhuǎn)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(dāng)活塞2向下運動至氣缸下端時，螺旋導(dǎo)套旋轉(zhuǎn)90°，螺旋導(dǎo)套帶動球閥閥桿8旋轉(zhuǎn)90°，

閥芯13旋轉(zhuǎn)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(zhuǎn)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(jìn)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(shù)在過程中實現(xiàn)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(dāng)氣源從P1進(jìn)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(dǎo)套殼體導(dǎo)向槽向下運動使螺旋導(dǎo)套6旋轉(zhuǎn)，

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(nèi)螺紋接口,3/8-2 1/2,

氣控三通閥門可以通過的介質(zhì)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(dǎo)套6旋轉(zhuǎn)，當(dāng)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(zhì)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(dǎo)套向反方向旋轉(zhuǎn)90°，螺旋導(dǎo)套帶動球閥閥桿8反向旋轉(zhuǎn)90°，

阿斯卡美國8290氣控閥產(chǎn)品介紹