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NFG353A132,供应ASCO比列调节电磁阀[产品打印页面]
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产品名称:
NFG353A132,供应ASCO比列调节电磁阀
产品型号:
NFG353A132
产品展商:
美国ASCO阿斯卡
关注指数:631
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简单介绍
NFG353A132,供应ASCO比列调节电磁阀
system capacity of 10 and 20litres and
a pressure of 90% Pa.
Unlike the automatic soft-start version, this version only
NFG353A132,供应ASCO比列调节电磁阀
的详细介绍
NFG353A132,供应ASCO比列调节电磁阀
Key locking device attached to adjustment screw, supplied installed; code: 662598
ACCESSORIES (other accessories: see pages 21 - 22)
• G1 silencer, code: 34600411
• Key locking device supplied separately, code: 34303050
• Blanking kit for adjustment screw designed to receive a key locking device, code: 34307021
• Blanking plate for adjustment screw not designed to receive a key locking device, code: 34307022
• By-pass module, see page 16
ASCO比列调节电磁阀宜水平安装。水平安装时，阀盖宜向上。消防给水系统的减压阀阀后应有排水设施。自动喷水灭火系统的需减压时，减压阀应设置在报警阀前（沿水流方向），与单个报警阀配套设置的减压阀，可不设备用减压阀；与多个报警阀配套设置的减压阀，应设备厂用减压阀。用于热水供应工程的减压阀，应采用热水型减压阀。
采用干管干管循环方式（半循环方式）的热水供应工程，减压阀设置要求应与冷水工程相同；采用立管循环方式（全循环方式）的热水供应工程，减压阀设置应防止热水循环的破坏，各分区回水管在汇合点压力应平衡。
电动遥控阀就是水压控制的阀门，水力控制阀由一个主阀及其附设的导管﹑导阀﹑针阀﹑球阀和压力表等组成。根据使用目的﹑功能及场所的不同可演变成遥控浮球阀﹑减压阀﹑缓闭止回阀﹑流量控制阀﹑泄压阀﹑水力电动控制阀、水泵控制阀等。
SYSTEM PRESSURISATION AND DEPRESSURISATION CURVES
• WITH A SOLENOID/AIR CONTROLLED SOFT-START DEVICE
These times correspond to a supply
pressure (Pa) of 6.3 bar, a downstream
system capacity of 10 and 20litres and
a pressure of 90% Pa.
Unlike the automatic soft-start version, this version only authorises full fl ow on receiving a permanent electrical signal.
The adjustment range for the pressurisation time lies between curves (1) and (2).
Filling and venting times (in seconds):
T1 (with screw loosened by 10 turns) 9,5 15
T2 (with screw loosened by 1 turn) 44 68
NFG353A132,供应ASCO比列调节电磁阀
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