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氣動隔膜閥（三聯件） Pneumatic diaphragm valve

應用  隔膜閥手動或氣動操作，專門應用于制藥工業中的衛生和無菌過程。

該閥門非常適用于流體控制和開/關的任務。

工作原理  膜片提供閥體密封和閥座密封。里面沒有路徑通到外部環境，所以該閥門適用于無菌過程。

當閥門關閉時，支撐膜片的壓力墊朝閥體上的密封面移動。當壓力板移動時,膜片彎曲，被迫推向閥體中心的閥座區域，因此關閉了通向閥體的流體路徑。

閥體和壓力板的相互關系，防止了膜片的擠壓。

該閥門可以手動也可以氣動操作，也可以通過控制器和電磁閥控制。

技術規格    最大壓力10bar( 145 PSI )

最大工作溫度-10℃+120℃(EPDM)-14°F +248°F( +140℃ (SIP,30)284°F)

認證:PED 97/23 EC

設計和特點  該隔膜閥同其他閥門設計相比，該閥門有著優越的流量特點。更容易清潔，很好的處理帶顆粒的物料，在流量控制的應用上.氣穴現象也更少些。

迷你型隔膜閥規格: 1/4" 3/8"  1/2"3/4"             隔膜閩規格:1" 1 14" 1.5" 2"2.5"3" 4"

適用于CIP/SIP

和物料接觸部分AISI 316L                                  其他不銹鋼部分AISI 304

內表面處理 亮光Ra ≤ 0.5μm                            外表面處理亞光/亮光

選項

連接(標準)?？ü?、焊接、螺紋、DIN SMS IDF ISO 3A BPE

閥體結構: 直通、三通、U型

膜片材料：EPDM，SILICON（硅膠）VITON(氟膠) EPDM +PTFE(雙層膜片)符合FDA

177.2600

Pneumatic diaphragm valve                                                        

Applications

Diaphragmvalves，manually or pneumatic ally operated，are specifically designed for use on hygienic and aseptic processesin the pharmaceutical industries. The valve is excellent for flow control aswell as for open/close duties.

Operating PrinciplesThe diaphragm provides the body seal as well as the seat seal. There are nopaths to the outside environment and as such the valve is suitable for aseptic processes.

Asthe valve is closed a pressure pad which supports the diaphragm moves towardsthe sealing face on the body. As the pressure plate moves the diaphragm flexes andis forced down onto the seat area in the centre of the body thus closing offthe flow path through the body. The inter-relationship of body to the pressureplate prevents over compression of the diaphragm. The valve can be actuatedeither manually or pneumatically and controlled by control tops and solenoidvalves.

Technical specifications           Max.pressure: 10 BAR(145PSl)

Workingtemperature:-10℃ to +120℃(EPDM)- 14°F to 248°F(+ 140℃(SIP,max.30 min) 284°F)

Approvedaccording to Directive PED 97/2 3 EC

Design and features Thediaphragm valves are better in feature of flow incomparison with other valves. lt is easier to clean up and betterto process the substance with particles. The phenomenon of air pocket is rareduring application of flow control.

Minidiaphragm valve available size: 1/4"，3/8"，1/2"，3/4”，

Diaphragmvalve available size: 1"，11/4".11/2"，2"，2.5"，3",4"

Suitablefor ClP/SlP.   Parts in contact with theproduct: AlSl 3 16L,

Otherstainless steel parts: AlSl 304,   lnternalsurface finish bright,Ra ≤0.5 μm

Externalsurface finish satin/bright

Options

Connections(standard):clamp, weld, thread, DlN SMS lDF lSO 3A BPE

Bodyconstruction: Straight, Three ways, U type Diaphragms in EPDM,

SlLlCON,VlTlON, EPDM+PTFE, all of them according to FDA 177.2600