Shanghai Keyou Automation Technology Co., Ltd
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    1st Floor, Building 2, No. 89 Huguang East Road, Meilian Industrial Park, Minhang District, Shanghai (201108)
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FB33 series bidirectional baffle flow switch
Principle, structural plug-in installation, mechanical flow switch. Built in micro trigger switch.
Product details

Principle, structure

Plug in installation, mechanical flow switch. Built in micro trigger switch.

FB33系列双向挡片式流量开关

characteristic

Capable of measuring bidirectional flow in pipelines, with low pressure loss, good repeatability, and anti fouling ability. The mechanical and electronic parts are safely isolated. There are 5 types of stoppers attached during delivery, which can be flexibly combined and used by users according to the on-site situation when the pipe diameter is large, the flow rate is low, or the pipe is not fully filled. The same switch can be used for multiple pipelines.

function

To open or close a circuit by detecting the presence or absence of flow in the pipeline. It is usually used in heating, air conditioning, refrigeration, water treatment, pressurized water supply, industrial additives and other systems. Through it, the following equipment can be controlled: water pump, burner, compressor, chiller, electric valve, alarm device, industrial additive equipment, etc. In the heating system, its role is particularly important. When the return water flow of the boiler system is too low or there is no flow, it can quickly shut down the burner to prevent dry burning and overheating of the boiler system, and avoid frequent intervention of other temperature control components.

Technical Parameter

Repeatability: ± 2.5% total range Medium temperature: 0~90℃ (-30~350℃)
Wiring method: Terminal wiring Interface method: NPT1″
Output: Mechanical switch normally open Protection level: IP67
Voltage resistance: 16 bar (40 bar optional)
Average pressure loss: 0.08 bar (at maximum flow rate) Medium temperature: Main body: 316L stainless steel
Environmental temperature: -25…80℃ texture of material: Normally Open (N.O.)

Applicable Medium

适用介质

dimension

尺寸图

Model Selection Table

FB33- Bidirectional block type flow switch
Thread Details
Threaded interface: NPT1″
Connection method
External thread
Material Description
Brass alloy structure UNI EN 12165 CW617N
Stainless steel 1.4435 (316L)
(Special alternative) VARIO
High pressure resistance of 40bar
The above selection table does not include selection codes. If you need selection codes, please contact us or fill in your information

Welding optional accessories

K30 explain
NPT1 "base
Heterogeneous connection

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