Intelligent electric valve
Multiple Voltage｜Precise Control｜IP68 Protection Grade
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About
Nefso Valve Manufacturing (Quanzhou) Co., Ltd.
Nefso Valve Manufacturing (Quanzhou) Co., Ltd. is an emerging enterprise in the valve industry, integrating R&D, manufacturing, sales, and service of fluid equipment.
The company mainly develops and manufactures: ball valves, butterfly valves, gate valves, globe valves, check valves, filters, water control valves, safety valves, pressure reducing valves, respiratory valves, regulating valves, pneumatic valves, electric valves and so on.
The products mainly serve in: heating, water diversion, urban water supply and drainage, sewage treatment, environmental protection, electric power, petroleum, chemical industry, buildings, ships, pharmaceuticals, metallurgy, fire and other fields.
service guarantee
Determine the type and specifications of valves based on the customer's actual requirements, or design and customize valves according to the customer's special requirements. Provide the customer with the valve design process and manufacture valves that meet the customer's requirements. We can also train the customer's technical personnel to ensure they have a basic understanding of technical knowledge and valve maintenance skills. Provide technical consulting services for new, special, and challenging engineering projects or develop appropriate construction plans.
Industry Applications
News
Selection and application of gate, ball, globe and butterfly valves to help companies improve production efficiency
This article describes in detail the characteristics, advantages and disadvantages, and application scenarios of four common industrial valves: gate valves, ball valves, globe valves, and butterfly valves, to help companies optimize the choice according to the nature of the fluid, frequency of operation, flow regulation accuracy and other factors, in order to improve production efficiency, ensure pipeline safety and stable operation. Each type of valve has its own focus: gate valves are suitable for interception control, ball valves for efficient opening and closing, globe valves for precise regulation, butterfly valves for economic energy saving. When selecting the type of valve, we need to consider the durability, economy and working environment requirements.
Types of valves for municipal water supply systems
Municipal water supply system core components valves: hydraulic control valves to regulate the direction of water flow, flow and pressure, to protect the system smoothly; shut-off valves used to cut off the flow of water to facilitate maintenance and emergency; anti-pollution valves to prevent the invasion of pollutants, to ensure the safety of water quality; overflow valves and pressure-reducing valves to control the water level and reduce the water pressure, respectively, to prevent damage to the equipment. The article outlines the role and importance of these key valves, emphasizing its correct selection and management of water supply systems to ensure safe and stable operation is indispensable.
Advantages of cast steel butterfly valve over cast iron butterfly valve
This article compares and analyzes the core differences between cast steel butterfly valves and cast iron butterfly valves. Cast steel butterfly valves have significant advantages in corrosion resistance, high temperature and high pressure resistance, service life and maintenance cost by virtue of the high-strength carbon steel material, which is especially suitable for harsh working conditions. The cast iron butterfly valve, although lower cost, but poor strength and corrosion resistance, more suitable for normal temperature and pressure water system. Engineering selection should be based on specific working conditions, weighing performance and cost to ensure safe and stable operation of the system.
Butterfly valve seal material PTFE and EPDM difference
This article compares the performance differences and application scenarios of two key sealing materials for butterfly valves, PTFE (polytetrafluoroethylene) and EPDM (ethylene propylene diene rubber). PTFE is known for its excellent chemical stability, corrosion resistance (acid and alkali/solvent resistance) and low coefficient of friction, and is widely used in the chemical, petroleum, pharmaceutical and other industries, but its mechanical strength is weak and caution is required at high temperatures. epdm, on the other hand, possesses excellent weatherability ( Aging, ozone, high temperature, water vapor) and insulation, especially suitable for outdoor piping, waterproofing and electrical applications, but its chemical stability is relatively weak compared to PTFE. When choosing, it is necessary to weigh the characteristics of the two according to the specific working conditions (fluid characteristics, environmental conditions) to optimize the performance and life of the butterfly valve.
Difference between Clamped Butterfly Valve and Flanged Butterfly Valve
This paper systematically analyzes the core differences between butt-clamp butterfly valve and flange butterfly valve. Clamped butterfly valves have a simple structure and are installed by clamping between pipe flanges, which makes them easy to disassemble and install, and are suitable for occasions where space is limited or frequent maintenance is required (e.g., ventilation and water treatment systems); flanged butterfly valves use prefabricated flanges for butt joints, which provide a solid connection and better sealing performance, especially high pressure resistance, and are suitable for petrochemical, electric power and other highly demanding fields. Both of them have their own emphasis on sealing, maintenance cost and application scenarios, providing key reference for industrial fluid control selection.
Analysis of the use and advantages of soft seal gate valve
This article explains the core advantages and application value of soft seal gate valve. Its excellent elastic sealing performance effectively prevent leakage, reduce energy consumption and safety risks; simple structure, easy operation, long maintenance cycle, significantly reduce maintenance costs and downtime; at the same time with excellent corrosion resistance, wear resistance and long life, to adapt to harsh working conditions, can significantly reduce the cost of business operations. Soft seal gate valve is the key equipment to improve the efficiency and safety of industrial piping system.
Hard seal butterfly valve application areas
Hard seal butterfly valve with its simple structure, convenient operation and excellent sealing performance, has become a key fluid control equipment for high temperature and high pressure, corrosive media and other harsh environments. This article focuses on its wide range of applications in the chemical industry (precise control, corrosion resistance), oil and gas (high pressure and high temperature transportation and processing), as well as electric power, metallurgy, papermaking (regulating water, steam, gas, pulp and other media) and other industrial fields, to meet the requirements of high stability and reliability, and to effectively improve production efficiency and safety.
Contact us
If you have any further questions, please leave us a message online and we will get back to you as soon as possible. If you would like more detailed information, please contact us directly via the email address below.
We will provide:
- 30-minute quick response, reply within 24 hours after leaving a message
- Customized solutions tailored to customer needs
- Keep track of the product production process at all times and shorten the production cycle as much as possible.
- Guide customers through installation and debugging, and provide quick after-sales response.
Email inquiries: [email protected]
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