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Glass tube flow switch-SN31

Product introduction

In-line mounted, mechanical flow switches for liquid or gaseous media. Robust plastic, aluminium or stainless steel housing available. Extremely low pressure loss, good repeatability, dirt immunity, complete isolation of the mechanical and electronic parts for economical use with small flow rates. With a switching scale, the user does not need to set it in the field; LED display of the switching status.

Technical Specification Hersman Type Selection Table Product Application
Setting range: See parameters for details
Accuracy: ±5% of total range
Hysteresis: Set the action point: 1L/min
LED display: DC power supply LED display switch state,
                         AC without LED display
Wiring mode: M12 connector/Hersman
Output: Dry reed switch
Pressure: 10bar(brass)
Medium temperature: 90°C Max
Protection grade: IP65/IP67
Material: Aluminum alloy shell
Connection material brass
Display window PE N piston alloy
Spring: stainless steel
seal:NBR

SN31- D A A specification
SN31-                 SN31 series glass tube flow switch
                Interface thread G1/4
                Interface thread G1/2
                DC DC24V±20% power supply
                AC AC230V ± 15% power supply
      D           LED indicator (24V power supply
      W           No LED indicator
        A         internal thread
                aluminium alloy housing
                The action point 0.5 1.5 L/min
              A   Connector type (standard with 2
              B   Hersman type
                1 switch point output
 *Customizable thread, H for external thread, G for internal thread
 * 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.

Pneumatic liquid dual purpose, industrial automation/mechanical equipment/air compression industry/refrigeration and air conditioning.

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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