供應防凍阻火呼吸閥,QZF-89防凍阻火呼吸閥,廣州防凍阻火呼吸閥參數 - 廣州富山閥門有限公司_威客电竞

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QZF-89   防凍阻火呼吸閥
  • QZF-89 防凍阻火呼吸閥

  • 品牌:富山
  • 型号:QZF-89
  • 壓力:1.6 MPa
  • 材質:鑄鋼/不鏽鋼
  • 圍觀人數:1313
  • 我公司提供定做服務>詳情點擊<
 
 
産品詳情

防凍阻火呼吸閥

提供防凍阻火呼吸閥(QZF-89)的型号結構、工作原理和性能特點,介紹該産品的技術參數、零件材料和連接尺寸。幫助您合理選型,恰當投資。

防凍阻火呼吸閥 

基本信息欄

 

品名 型号 規格 壓力 材質
防凍阻火呼吸閥 QZF-89 DN50-300mm PN1.0mpa 鑄鋼;不鏽鋼;鋁合金

 

 

 

一、簡介

 

QZF-89型防凍阻火呼吸閥具有通風量大,洩漏量小,耐腐蝕等特點,并有靜電接地線,使該閥與罐體保持等電位。該閥具有防凍性能,适用于寒冷地區。 該閥是安裝在固定頂罐上的通風裝置,起減少油品蒸發損耗,控制儲罐壓力及阻止外界火焰傳入的作用。

 

二、工作原理

 

1、當罐内介質的壓力在呼吸閥的控制操作壓力範圍之内時,呼吸閥不工作,保持油罐的密閉性;
2、當往罐内補充介質,使罐内上部氣體空間的壓力升高,達到呼吸閥的操作正壓時,壓力閥被頂開,氣體從呼吸閥呼出口逸出,使罐内壓力不在繼續增高;
3、當往罐外抽出介質,使罐内上部氣體空間的壓力下降,達到呼吸閥的操作負壓時,罐外的大氣将頂開防凍阻火呼吸閥的負壓閥盤頂開,使外界氣體進入罐内,使罐内的壓力不再繼續下降,讓罐内與罐外的氣壓平衡,來保護儲罐的安全裝置。

 

 

 

三、連接尺寸

 

公稱通徑 型号 H L D D1 D2 n d
50 QZF-50 360 362 140 110 90 4 14
80 QZF-80 445 513 185 150 125 4 18
100 QZF-100 445 513 205 170 145 4 18
150 QZF-150 610 640 260 200 200 8 18
200 QZF-200 700 770 315 225 225 8 18
250 QZF-250 828 918 370 310 310 12 18
 

 

 

 

四、檢查工作

 

1.定期檢查通風正、負壓閥盤動作是否靈活。
2.檢查閥殼網罩是否破裂,壓蓋襯墊是否嚴密,冬季有無冰凍;
3.認真檢查導杆及閥盤接觸密封面有無損壞。
4.在檢查維護時,應當保證閥内各結合面嚴密配合,閥盤升降靈活。
5.保持防凍阻火呼吸閥絲網的清潔暢通。 6.發現呼吸閥出現故障,有可能影響其正常工作時,應當立即彙報班長或者專業領導。

 

 

 

質量第一-顧客滿意

 

防凍阻火呼吸閥質量保證
防凍阻火呼吸閥服務承諾

我們保證提供符合質量要求、相關标準的全新的無缺陷的産品。

向用戶介紹産品的性能和使用要求并提供有關的技術資料,免費對現場人員技術培訓,協助指導有關人員調試。

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實行“三包”服務(包退、包換、包修),易損件終身維修,非認為因素或操作不當的損壞,1年内可免費更換。

發現質量問題,在接到用戶通知後,24小時内作出答複或派人員前往處理,做到問題不解決,服務不停止。


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