蝸輪傳動通風蝶閥采用鋼板焊接制造，具有結構尺寸短，重量輕，安裝方便等特點。該閥驅動力矩小，啟閉靈活，操作方便。閥體上設置油密封擋圈，密封副之間無可見間隙，泄漏率小。蝶板與閥體間的膨脹間隙大，能有效防止因熱漲冷縮造成的卡死現象。本閥可配備多種驅動裝置，如手動裝置、蝸輪傳動裝置、氣動裝置、電動裝置。通風蝶閥廣泛用于治金、師化、電力、建材、礦山等工業管線，對介質氣體氣控制或調節作用。

  主要參數公稱壓力(MPa)0.05MPa介質溫度-30℃～-350℃

  強度試驗0.1MPa適用介質冷熱風、煙氣

  介質流速25m/s泄漏率3%

  主要零件材料零件名稱閥體閥板閥軸

  材料碳鋼碳鋼碳鋼、不銹鋼

  TD341W蝸輪傳動通風蝶閥主要外形連接尺寸 單位：mmDNDD1LL1L2 n-Фdb

  3004053701207162208210

  3504554201407862408410

  40050547014092427012810

  45057053016099929512810

  500620580160107932512810

  600720680180114038016812

  700820780180124043016812

  800920880200135049016812

  9001040990200145054016814

  100011401090220155059020814

  110012401190220180064020814

  120013401290240190069020814

  130014401390240202076020816

  140015401490260212081024816

  150016401590260222086024816

  160017401690280239098024816

  1700184017902802590103028-2216

  1800194018903002709109628-2216

  1900204019903002826114632-2216

  2000215020903202926119632-2616

  2200236023003403126129636-2616

  2400256025003603326139636-2618

  2600276027003803526149640-2618

  2800296029004003726159640-2618

  3000319031104004098169844-3018

  3200339033104404338179844-3020

  3400359035104404578189848-3020

  3600379037104804780199848-3020

  3800400039104805000209852-3022

  4000421041205205200221052-3022