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Get couponsThe Piston Flow Switch contains a precision spring supported magnetic piston that pushes the piston backward, which triggers an external microswitch or reed switch.
All-metal internal construction
-Optionally available with a pointer type flow switch
-High reliability and repeatability of the switch.
-Complete isolation of mechanical and electronic parts
-High voltage resistance
-Normally open output
Test medium: liquid
Repeatability:≤±3% range
Pressure resistance: 200bar (stainless steel type)
100bar (brass type)
Output mode: normally open
Switch capacity: 24VAC /110VDC,1.5A
Ambient temperature:-20...70℃.
Material: Electronic shell part: engineering plastic
Switch housing: stainless steel/brass nickel plated
The pointer displays the material PC
Spring: stainless steel
Protection grade: IP65
Outline: M12*1

Hersman type



hydraulic pressure
lubrication
circulatory system
The location of installation affects the switch value

| SN21 | - | 008 | G | D | 1 | A | A | specification | |||||
| SN21 | - | SN21 series pointer piston type flow switch | |||||||||||
| 008 | Interface thread G1/4 | ||||||||||||
| 010 | Interface thread G3/8 | ||||||||||||
| 015 | Interface thread G1/2 | ||||||||||||
| 020 | Interface thread G3/4 | ||||||||||||
| 025 | Interface thread G1 | ||||||||||||
| G | internal thread | ||||||||||||
| D | DC DC24V±20% power supply | ||||||||||||
| J | AC AC230V ± 15% power supply | ||||||||||||
| 1 | Brass nickel plated housing | ||||||||||||
| 2 | stainless steel housing | ||||||||||||
| A | Setting range: 0.4--4L/min | ||||||||||||
| B | Setting range: 1--12L/min | ||||||||||||
| C | Setting range: 5--40L/min | ||||||||||||
| D | Setting range: 6--60L/min | ||||||||||||
| A | Connector type (standard with 2 meters of wire) |
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| B | Straight out | ||||||||||||
| C | Hirschmann | ||||||||||||
| * Factory standard electrical accessories M12 connector type ZL02-PU02 * Customizable thread, H for external thread, G for internal thread * Please indicate medium flow direction, medium type, pipe diameter and expected set value when ordering. We can complete the setting for you at the factory * For gaseous media, please indicate pressure (gauge pressure/absolute pressure), temperature and type of media * For selection of electrical accessories and installation accessories, please refer to the appendix page on page - * The selection table is only available for parameter selection, and the corresponding code is delivered. |
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Shanghai Kayuan Electronic Technology Co.,Ltd is an enterprise specializing in the production and R & D of industrial sensors and controllers. Its main products include switches and sensors for flow, pressure, temperature, and liquid level. Pointer Piston Flow Switch-SN21 Suppliers in China.
In 2008, our assembly plant was established in Shanghai China,PAKU INTELLIGENT EQUIPMENT(SHANGHAI)CO.,LTD a subsidiary of Kayuan to produce the PAKU series of products. As Pointer Piston Flow Switch-SN21 Factory, PAKU products are now widely used in different industries, including automation complete sets of equipment, petroleum equipment, chemical equipment, power equipment, welding equipment, steel equipment, metallurgical equipment, automobiles, and water treatment. We adopt advanced technology and manufacturing processes across the board. With our professional design and production technology, comprehensive product lines, excellent quality, and sales network services, we can not only provide users with timely and professional technical support but also offer high - quality one - stop services.
We have served many customers at home and abroad, and offer Pointer Piston Flow Switch-SN21 Wholesale, our products are sold to countries such as Canada, the United States, Brazil, Indonesia, Vietnam, Thailand, and Russia. We welcome extensive cooperation with OEM and ODM customers.