Sensors & instrumentation · 流量开关
Flow Switch Manufacturers & Suppliers in China (2026)
1 Chinese manufacturers and suppliers of flow switches (流量开关), ranked by their registration, contact and product data, plus 9 international brands that make or sell them in China.
Ranked flow switch manufacturers
- 01
HONSBERG HONSBERG
Registered as 上海欧臻机电设备有限公司 in 2003.
- Flow switches
Why it ranks here: registered legal entity on file; email published.
International flow switch brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
TE Connectivity 泰科电子TE Connectivity Full profile
Relays / Connectors / Sensors.
- Relays
- Connectors
- Sensors
- Electrical interconnection products
Why it ranks here: registered legal entity on file; phone published; operating since 1941.
- INT
E+H E+H
Registered as 恩德斯豪斯(中国)自动化有限公司 in 2004.
- Differential pressure transmitters
- Pressure transmitters
- Flow switches
- Level sensors
- Temperature transmitters
- Level switches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1953.
- INT
ifm ifm易福门
Registered as 易福门电子(上海)有限公司 in 2005.
- Proximity switches
- Flow switches
- Photoelectric sensors and switches
- Flow sensors
- Pressure switches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1969.
- INT
KROHNE KROHNE科隆
Registered as 科隆测量仪器(上海)有限公司 in 1999.
- Differential pressure transmitters
- Flow switches
- Level sensors
- Flow sensors
- Level switches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1921.
- INT
WIKA WIKA威卡
Registered as 威卡自动化仪表(苏州)有限公司 in 1997.
- Flow switches
- Force sensors
- Temperature transmitters
- Level switches
- Pressure switches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1946.
- INT
SMC SMC
Registered as SMC(中国)有限公司 in 1994.
- Flow switches
- Pressure switches
- Solenoid valves
- Explosion-proof solenoid valves
Why it ranks here: registered legal entity on file; phone published; operating since 1959.
- INT
Barksdale Barksdale巴士德
Registered as 克瑞国际商贸(北京)有限公司 in 2007.
- Flow switches
- Pressure switches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1949.
- INT
Gems Gems捷迈
Registered as 申泰柯精密技术(天津)有限公司 in 2004.
- Flow switches
- Flow sensors
Why it ranks here: registered legal entity on file; email and phone published; operating since 1955.
- INT
KOBOLD KOBOLD科宝
Registered as 科宝仪器仪表贸易(上海)有限公司 in 1998.
- Flow switches
- Level switches
Why it ranks here: registered legal entity on file; email and phone published.
What is a flow switch?
A flow switch detects whether a liquid or gas is flowing above a set rate and switches a contact. It protects pumps, boilers and cooling systems. Paddle, thermal and magnetic types are common.
What buyers compare
- Medium and flow range
- Sensing principle
- Pipe size and connection
- Contact rating
- Pressure and temperature rating
Frequently asked questions
How many flow switches manufacturers and suppliers in China are listed here?
10 companies are listed for flow switches (流量开关). 1 Chinese manufacturers have full profiles and are ranked; 9 international brands with China operations are listed separately.
Where are China's flow switches manufacturers located?
Among profiled companies: Shanghai (6), Beijing (2), Jiangsu (1), Tianjin (1).
How is this list ranked?
By the completeness and verifiability of each company's data: a registered legal entity, an official website, published contact details, a product range and company history. The rank is not a quality rating, and no company pays for its position. See How we rank for the full method.
How do I contact these manufacturers?
Each listing shows the company's official website and, where published, its email and phone number. Of the 10 companies listed, 10 have an official website and 8 publish an email address.