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Pointer Piston Flow Switch-SN21

Product introduction

The 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

Technical Specification Insertion Fitting Wiring Diagram Dimension Figure Applied Range Installation Instructions Selection Table

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 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
              Brass nickel plated housing
              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)
              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.
Shanghai Kayuan Electronic
Technology Co., Ltd.
Shanghai Kayuan Electronic Technology Co., Ltd is an enterprise specializing in the production and R&D of industrial fluid sensors and controllers. Its main products include switches and sensors for flow, pressure, temperature, and liquid level. In 2008, our assembly plant was established in Shanghai, China, to produce the PAKU series of products. 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. The company has set up various departments such as the purchasing department, R & D department, quality management department, finance department, sales department, after - sales department, general office, laboratory, archive room, calibration workshop, production workshop, inspection area, storage area, shipping area, and a tea break room, aiming to provide products of excellent quality and sincere services. We adhere to the customer - centric concept of creating value for customers. According to the industry needs of customers, we continuously update technology and optimize services, aiming to become a leader in the field of process automation. 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 have served many customers at home and abroad, and our products are sold to countries such as Canada, the United States, Brazil, Indonesia, Vietnam, Thailand, and Russia. In the increasingly competitive global market in the future, PAKU will, as always, serve a wide range of domestic and foreign customers with excellent quality, reasonable and competitive prices, on - time delivery, and perfect after - sales service. We welcome extensive cooperation with OEM and ODM customers.
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