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Products show
QZF-89 exploding in fire retardant fire retardant breathing valve
Product Name:
QZF-89 exploding in fire retardant fire retardant breathing valve
Description:
呼吸阀

性能及特点:
•  QZF-89爆燃型防火阻火呼吸阀是安装在固定顶罐上的通风装置,起减少油品蒸发损耗,控制储罐压力及阻止外界火焰传入的作用。
•  QZF-89爆燃型防火阻火呼吸阀具有通风量大,泄漏量小,耐腐蚀等特点,并有静电接地线,使该阀与罐体保持等电位。
•  QZF-89爆燃型防火阻火呼吸阀具有防冻性能,适用于寒冷地区。
主要技术参数:
正压
353Pa (36mmH2O), 980.7Pa(100mmH2O)
负压
294.2Pa(36mmH2O)
零部件材料:
阀体材料
碳钢WCB、不锈钢304、316、铝合金
正压阀盘材料
不锈钢304、316、铝合金
负压阀盘材料
不锈钢304、316、四氟PTFE
环境温度 ℃
-30~60
国标法兰连接外形尺寸: GBJB
规格
安装尺寸(mm)
D1
D
L
H
N-d
DN50
Ø110
Ø140
362
360
4×14
DN80
Ø170
Ø185
513
445
4×18
DN100
Ø170
Ø205
513
445
4×16
DN150
Ø225
Ø260
640
610
8×18
DN200
Ø280
Ø315
770
700
8×18
DN250
Ø335
Ø370
918
828
12×18
DN300
Ø395
Ø435
1050
910
12×23

美标法兰连接尺寸:ANSIAPIASME   可供JIS标准
规格
安装尺寸(mm)
D1
D
L
H
N-d
2"
120.5
152
362
360
4×14
3"
152.5
190
513
445
4×18
4"
190.5
229
513
445
4×16
6"
241.5
254
640
610
8×18
8"
298.5
343
770
700
8×18
10"
362
406
918
828
12×18
12"
483
432
1050
910
12×23


Keyword:Valve | inlet valve | Shanghai valve | Power Station Valve | Industrial Valve | Universal Valve | Chemical valve | High valve | high temperature valve | Shenzhen valve | Electric valve | China Valves
 
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