After years of unremitting efforts, we have formed a complete set of pre-sale, sales and after-sales service system, and become the leader in the adjustable flow switch, vane operated flow switch, Electronic Water Flow Switch industry. We encourage the sustainable use of resources in our products and business operations, and strive to create more environmentally friendly hydraulic flow switch. We continue to strengthen management and improve our economic efficiency. Our products are backed by a commitment to excellence, innovation, and ongoing support, ensuring that they provide the best possible outcomes for our customers. Our products and services are designed to meet the specific needs of our customers, delivering maximum value and performance. In the use of talents, we insist on putting the talents in the participation of market competition to examine and evaluate, and let the market recognition become the basic scale of talent evaluation. The company always takes "technology plus quality" as its development strategy, always follows the design concept of "innovation and energy saving", and has come out of a road of "adapting to market demand and promoting technological innovation". The development of the enterprise road.
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Replaces paddle-type flow switches.No moving parts. Detects flow/no-flow in pipes DN15–DN350. NPN/PNP output. IP67. -
HNF40-B Intelligent Industrial Vortex Flow Meter uses the Karman vortex principle to accurately measure the flow of steam, gas, and liquids. By detecting vortex frequency
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The HNF80-B thermal gas mass flow meter uses thermal diffusion technology to calculate flow rate by the amount of heat removed. Internal temperature and pressure compensation
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The HNF00-A clamp-on ultrasonic flow meter uses a time-of-flight method for detection, allowing liquid flow monitoring without disconnecting the pipe from the medium. It solves
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In many cooling and circulation systems, operators only discover a problem after equipment temperature begins to rise.A partially blocked pipeline, a worn pump, or insufficient
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The HNF50 Metal Float Flow Meter is designed for reliable flow measurement of liquids and gases in demanding industrial environments. Based on the variable area principle, it
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HNF60 Electromagnetic FlowmeterFaraday’s law based, for conductive liquids (>5 μS/cm). DN10‑DN2600, accuracy ≤±0.25% FS, response <40 ms. No moving parts, zero pressure drop.
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HNF10-AC Thermal flow switchField-adjustable setpoint via potentiometer. PNP / NPN / relay output selectable. Water, oil, or air. No moving parts. IP67.
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HNF10-B Electronic Flow Switch8 LEDs show flow trend at a glance. 3 red + 1 yellow + 4 green – you see immediately if flow is below, at, or above setpoint. Set via induction
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Relay output model. Drives contactors, solenoid valves, and alarm lamps directly – no intermediate relay needed. 8 LEDs show flow trend at a glance: 3 red + 1 yellow + 4 green.
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HNF10-D Piston Flow SwitchMechanical in-line flow switch. Piston + reed switch – no electronics, no field calibration. Setpoint factory-set, scale indicated on housing. Media:
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HNF10-E Baffle Flow SwitchMechanical flow switch. Spring-loaded baffle triggers microswitch when flow reaches setpoint. SPDT output – 3A at 250VAC – drives pumps, contactors,
Sylvia Gonzalez
We received the goods today, the product was packed very tightly and we feel that the seller is very attentive and trying to deliver the best product to us.
Rosemary Thomas
This transaction made me feel very happy, and we agreed to continue to cooperate next time!
Clint Atkinson
We have been working with you for many years, and we hope that your company will grow from strength to strength, as you have always maintained your philosophy of "quality first" and "continuous
Megan Ashton
We were blown away by your company's beautifully crafted samples, we trust you and hope it will be a pleasant cooperation.
Danny Hay
This supplier has fast logistics, good express service and durable products.
Leslie Lopez
I recommended this shop to my relatives and friends. Their products have a good price advantage among similar products, and the quality is excellent.
Looking forward to the future, in line with the original intention of "maintaining the industry ecology and sharpening pioneer talents", our company will be committed to making the rotor flow meter, adjustable low pressure switch, insertion type vortex flow meter industry's golden name, promoting the industry ecology and benefiting social civilization. Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most experienced hydraulic flow switch manufacturers and suppliers in China, also supports customized service. Please feel free to buy high quality hydraulic flow switch at competitive price from our factory.