Mechanic Home2024-03-29T23:07:09+08:00

Welcome to Hengnai Pump Industry

We provide you with excellent pump and valve solutions

Highly skilled certified mechanics guaranteed.

Want to get more product consultation?

Call us:     +0086-151-5559-3605

E-mail:        hnrita@163.com

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“Discover our top-quality products! We are a leading manufacturer of pumps and valves, catering to diverse industries. From chemicals to petroleum and more, our reliable solutions are tailored to meet your needs. Explore our product line below and unlock excellence with us!”

Frequently asked questions.

If you encounter any problems during use, please contact us in time

The medium cannot be cut off when the solenoid valve is closed?2024-03-23T00:49:02+08:00

Dirt and impurities are mixed around the valve core and the moving iron core. Clean them in time and replace the backflush filter. 2. The valve seat is defective or has dirt adhered to it. Clean, grind or replace it. 3. The sealing gasket is detached, defective or deformed, replace it. , Reassembly 4. If the balance hole or throttle hole is blocked, clean it in time.

The medium cannot flow during the valve opening time?2024-03-23T00:49:45+08:00

Check that there is dirt and impurities around the valve core and the moving iron core, and clean the interior. A filter valve must be installed in front of the valve; 2. If the filter or pilot valve hole in front of the valve is clogged, clean the filter in time; 3. The solenoid valve is working when in use The frequency is too high or the lifespan has expired. Please change the product model or replace it with a new product.

The solenoid valve does not operate when energized?2024-03-23T00:50:35+08:00

Check whether the power cord has poor contact, whether the coil is short-circuited or open-circuited, whether the medium pressure or working pressure difference is appropriate, and whether the medium pressure or working pressure difference meets the parameter range of the solenoid valve.

Professional and reliable service

Professional and reliable service, tailored to your needs. Efficient, accurate, and comprehensively supported.

Professional production techniques

Anhui Hengnai Pump Industry Co., Ltd. is a high-tech enterprise integrating design, development and production.

Stable after-sales guarantee

We provide stable after-sales guarantee to ensure that you receive continuous support during use

Focus on quality valve manufacturers

We strive for excellence in everything we do.

Technological innovation, reliable quality, customer first

Product application areas

With a commitment to excellence and a focus on meeting the unique requirements of each industry, our pump valves provide reliable solutions that enhance operations and product outcomes. Trust our pump valves to deliver exceptional performance and contribute to the success of your operations in the medical, petrochemical, food, and other industries.

01

Adhere to R&D and innovation

  • Self-built R&D center
  • Investing more than millions annually in technology research and development
  • R&D strength accounts for 40% of the company’s total employees

02

Strong production capacity scale

  • Construction area 20,000 square meters
  • Annual output exceeds 40,000 units
  • Widely used in chemical, pharmaceutical, environmental protection, new energy, lithium-ion batteries, circuit board cleaning, wafer cleaning and other industries

03

Full service support

  • Pre-sales service: assist users in model selection and cooperate with customer design
  • After-sales service: 1 year warranty, 3 months for wearing parts
  • Spare parts available at any time
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