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更新时间:2026-05-29 浏览数:43
所属行业:电工电气> 开关(电工电气)> 流量开关
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供应日本smc桨叶式流量开关
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地址:上海嘉定区嘉涌路99弄6号楼713室
between a paddle and piping, additional machining of the paddle tip may
用于冷却设备等的通用断水、减水型继电器。
set the difference between the set flow rate and the operating flow rate so that it is as large as possible.
6. use at or below the maximum operating pressure and maximum flow rate. 7. spare parts short,
medium, and long paddles are provided as a 3 piece set with each model,
be necessary to eliminate interference between the two. 6. use pipe fittings that comply with jis specifications.
2.5 1.5 2.5 2.5 2.5 0.05 0.03
1.5 1.25 1.5 1.5 1.5 0.5 0.25 n.o. n.c. n.o. n.c. n.o. n.c. n.o.
so arrange them as indicated below. there is no compatibility between the paddle for a 3/4" connecting bore
and for a 1" because their installation pitches differ. arrangement example: paddle set for if300-06-00 (part numbers are not existent.)
copper alloy stainless steel 304
water/non corrosive liquid
liquid, which does not corrode stainless steel 304.
1 mpa 1.75 mpa 100 mω (500 dc by megameter) 1500 vac for one min. 1ab 3/4, 1 standard en60947-5-1
n.c. 15 15 15 15 6 0.5 0.25
15 15 15 15 6 0.5 0.25
sealing depth should be 9 mm ± 1 mm for 3/4b and 11 mm ± 1.2 mm for 1b.
2. mounting orientation is only allowed to install it perpendicularly to the horizontal pipe.
the on signal is output when the flow rate has decreased. refer to the flow rate characteristics table for details on the operation flow rate.
4. do not touch the two types of stop screws that are indicated in the construction diagram.
when this happens, please machine the paddle accordingly.
8. it cannot be used when a water hammer or pulsation pressure is applied to the fluid.
the flow rate setting point is set at the on-flow rate. therefore, in case of 1a contact,
on signal is output when the fluid with higher flow than the setting flow rate is flown. in the case of the 1b contact,
15 15 15 10 5 0.05 0.03
5 3 5 5 5 0.05 0.03
5. to prevent the chattering that is associated with the fluctuation of the operating flow rate,
for 11/4b to 3b, use commercially available union tees of different diameters.
for 4b to 6b, use a 1b socket that has been cut in half and welded.
7. when using piping which is non-standard, piping may interfere with the paddle.
3 2.5 3 3 3 0.5 0.25
15 15 15 10 5 0.05 0.03
3. provide a straight pipe portion that corresponds to approximately 5 times the bore of the pipe before
and after the area of the pipe on which the product is installed, thus keeping the product
as far away as possible from the elements that disturb the flow, such as elbows or valves.
4. three types of paddles, short, medium, and long, are provided with each model.
use one of them according to the pipe size and the set flow rate
. 5. when installing a paddle on if3?o type, piping may be interfered with by the tip of a paddle.
because this is used to detect a small flow rate, and to narrow the distance
接管口径 3/4, 1
相当ip42、相当ip44。
piping sizes ranges from 3/4b to 6b. wide range of applicable fluids.
wetted l part materials: copper alloy, stainless steel
various enclosures (no water protected). open type, dripproof/rainproof, splashproof /low jetproof type
. mount the switch on top of horizontal pipe so that fluid flow is in the direction of the arrow.供应日本smc桨叶式流量开关