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Product name: QFHQ-2全天候防火呼吸阀
specification: QFHQ-2全天候防火呼吸阀
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Category: Pump valve fittings -- 呼吸阀|阻火器
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Price: factory price
Brand: Shanghai
Place of Origin: China
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Available Quantity: batch
delivery cycle: Spot goods (or inquire by telephone)
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  Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058

Email 91way@163.com
Wechat 13916950330(Wechat)


QFHQ-2全天候防火呼吸阀Detailed product description:Column tabs
QFHQ-2全天候防火呼吸阀性能规范:

正压
353Pa(36mmH2O), 980Pa(100mmH20)
负压
295Pa(30mmH2O)

产品用途:

该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。

结构特点:

QFHQ-2全天候防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。该阀具有防冻性能,适用于寒冷地区。

外形尺寸:

规格
图号
重 量
( Kg台)
安装尺寸(毫米)
H
L
D
D1
D2
n
d
DN20
RQZF-50
25
360
362
Ø140
Ø110
Ø90
4
14
DN80
RQZF-80
40
445
513
Ø185
Ø150
Ø125
4
18
DN100
RQZF-100
47
445
513
Ø205
Ø170
Ø145
4
18
DN150
RQZF-150
71
610
640
Ø260
Ø225
Ø200
8
18
DN200
RQZF-200
98
700
770
Ø315
Ø280
Ø255
8
18
DN250
RQZF-250
130
828
918
Ø370
Ø335
Ø310
12
18

QFHQ-2全天候防火呼吸阀
Product Category
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