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Products show
QHXF-89-type all-weather fire breathing valve
Product Name:
QHXF-89-type all-weather fire breathing valve
Description:

QHXF-89型全天候防火呼吸閥

主要用途
  QHXF-89型全天候防火呼吸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。其閥盤結構為空氣墊型膜式閥盤。

主要特點
  該閥具有通風量大,泄漏量小,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,適用于寒冷地區。
主要技術參數
操作壓力:正壓:353Pa(36mmH2O)
     980Pa(100mmH20)
     負壓:295Pa(30mmH2O)
QHXF-89型全天候防火呼吸閥的結構尺寸

規格
安裝尺寸(mm
 H
 L
 D
 D1
 D2
      n
      d
 n1
 n2
  d1
 d2
DN50
255
362
140
110
90
3
1
14
12
DN80
 342
508
185
150
125
3
1
18
16
DN100
342
508
205
170
145
3
1
18
16
DN150
460
640
260
225
200
6
2
18
16
DN200
545
770
315
280
255
6
2
18
16
DN250
648
918
370
335
310
9
3
18
16


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