Page 187 - Bermad_以色列伯尔梅特_消防产品样本_选型手册_雨淋阀_泄压阀_减压阀_泵控阀等
P. 187
FANCYIND
FANCYIND FANCYIND
伯尔梅特 消防系统
型号: FP 450-80 400 系列
典型应用
FANCYIND
FANCYIND FP 450-80 型阀门通过其高灵敏度导阀感应蓄水池水位静压力。为保证高准确度,导管须连接到蓄水池底部某静止点。静止点位于
FANCYIND
水塔双液位控制
The Model FP 450-80 senses the static head of the water level in the tank by means of a high sensitivity pilot. To do so
排水管,该点在注水和出水时不受流速影响。
sensing tube end must be connected to a “still point” at the bottom of the tank. The drainage pipe
accurately, the
provides this “ still point”, a location not influenced by flow velocity as in filling and outflow pipes.
排水
排水
Drainage
FP 450-80 型高度控制阀
排水阀
FANCYIND FANCYIND FANCYIND
(常闭)
使较浅的蓄水池保持充满状态
水塔
ll” - Shallow Reservoirs
对于较浅的蓄水池,水位应保持稳定。
rvoirs, the water level should be kept as
In these rese
FP 450-82 液位控制阀具有调节式高度导阀,非常适用于较浅
constant as possible.
的蓄水池。
The Level Control Valve with modulating altitude pilot
高度导阀具有高灵敏度,可根据水位情况进行变动,水位下降
Model FP 450-82 is well suited to fulfill this requirement.
数厘米时便开始注水。
The altitude pilot is highly sensitive to changes and
为实现该功能,感应导管末端必须连接到蓄水池底部某静止
点。
accurately maintains level within a few centimeters.
To do so, the sensing tube end must be connected to a
“still point” at the bottom of the reservoir.
FP 450-82 型液位控制阀,
具有调节型高度导阀
FP 450-82 型液位控制阀,具有调节式高度导阀
FANCYIND FP 450-82 型阀门在 FP 450-80 型阀门基础上对功能进行了改动,将阀门开关功能改为 FANCYIND [4]
FANCYIND
Level Control Valve with Modulating Altitude Pilot
[3]
Model FP 450-82
调节功能,以便使蓄水池保持充满状态。水流从阀门进水口连续地通过针阀[1]进入上控
The Model FP 450-82 modifies the Model FP 450-80
制腔[2]。导阀[3]通过感应导管[4]感应静压力。
“On-Off” feature into a modulating feature to maintain an “always full” reservoir.
静压力升高超过导阀设置值时,导阀缓闭,主阀随之缓闭,降低注水流量。阀门关闭时
The needle valve [1] continuously allows flow from valve inlet into the control
密封严实滴水不漏。利用下游的球阀[5]可手动关闭阀门。 [1]
chamber [2]. The pilot [3] senses static head via sensing tube [4].
Should the static head rise towards pilot setting, the pilot throttles, causing the [2]
main valve to throttle closed, reducing filling rate, eventually closing drip tight. [5]
The downstream cock valve [5] enables manual control closing.
FANCYIND FANCYIND FANCYIND