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Get couponsThe paddle is supported by an internal spring. When the flow reaches the preset value, the mechanical structure triggers a microswitch. Designed for inline installation, this device features good repeatability and strong resistance to contamination. The switching point is set using a rotary knob.
Dual-use for gas and liquid. Suitable for industrial automation / machinery / air compression / refrigeration / air conditioning / fire protection / petrochemical and other industries with special safety requirements.

Setting Range: See table below
Repeatability: ±2.5% of full scale
Wiring Method: Terminal connection
Output: SPDT (Normally Open + Normally Closed) (250VAC, 3A)
Pressure Rating: 40 bar
Average Pressure Drop: 0.08 bar (at maximum flow)
Ambient Temperature: -25…80℃
Medium Temperature: 250℃
Protection Class: IP67
Materials:
Body: Stainless Steel
Process Connection: Stainless Steel
Paddle Rod: Stainless Steel
Paddle: Stainless Steel
Protective Housing: Stainless steel explosion-proof external junction box
|
Pipe Diameter (DN) |
Weight (Kg) |
Thread Connection |
Paddle A/B |
Pressure (Bar) |
Hysteresis (L/min) |
Adjustable Range (L/min) |
Model (Material) |
|||||
| 15 | <1.5kg | R1”taper thread | A | 16 | 2 | 3-11 | SN42B-01RGA( stainless steel ) | |||||
| 15 | R1”taper thread | B | 16 | 3 | 5-17 | SN42B-01RGB( stainless steel ) | ||||||
| 20 | R3/4”taper thread | A | 16 | 2 | 4.2--18 | SN42B-02RGA( stainless steel ) | ||||||
| 20 | R3/4”taper thread | B | 16 | 3 | 8.3--37 | SN42B-02RGB( stainless steel ) | ||||||
| 25 | R1”taper thread | A | 16 | 2 | 5.2--23 | SN42B-03RGA( stainless steel ) | ||||||
| 25 | R1”taper thread | B | 16 | 4 | 10--48 | SN42B-03RGB( stainless steel ) | ||||||
| 32 | R1 1/4”taper thread | A | 16 | 3 | 8.1--39 | SN42B-04RGA( stainless steel ) | ||||||
| 32 | R1 1/4”taper thread | B | 16 | 6 | 19-90 | SN42B-04RGB( stainless steel ) | ||||||
| 40 | R1 1/2”taper thread | A | 16 | 5 | 15--69 | SN42B-05RGA( stainless steel ) | ||||||
| 40 | R1 1/2”taper thread | B | 16 | 7 | 25--111 | SN42B-05RGB( stainless steel ) | ||||||
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* When ordering, please specify flow direction, medium type, pipe diameter, and desired setpoint. We can preset the value at the factory. * For viscous media, please specify viscosity, temperature, and medium type. * Optional flange connection available upon request. * Selection table is for parameter configuration only. Factory production based on parameter-to-code mapping. |
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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. Pipeline baffle explosion-proof flow switch SN-42B 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 Pipeline baffle explosion-proof flow switch SN-42B 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 Pipeline baffle explosion-proof flow switch SN-42B 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.