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BR.W5 Series Self-operated Control Valve
Custom BR.W5 Series Self-operated Control Valve
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Custom Nitrogen Sealing Self-operated Control Valve Manufacturers

The main feature of the BR.W5 series self operated regulator that there is no need for external air or power supply. It automatically regulates the pressure in front of or behind the valve and is often used in situations where external air or power supply is inconvenient. This series of valves can adjust and control the pressure range on site, which is easy to operate and has a long service life. The conventional materials are carbon steel and stainless steel.Special alloy materials such as Ti, Hastelloy C, and duplex steel can also be selected based on on-site working conditions This series of valves can be divided into BR.W511 series self operated pressure regulator, BR.W512 series self operated micro pressure regulator, and BR.W514 series pilot operated pressure regulator. Among them, BR.W512 can be referred to as a nitrogen relief valve and BR.W514 can be referred to as a nitrogen supply valve. This combination can also be referred to as nitrogen sealing valves, and they can control a minimum pressure of up to 0.3KPa.

About US

Zhejiang Lasen Intelligent Equipment Co., Ltd. ( Used to be known as Hangzhou Lasen Valve Co., Ltd. ), located in Hangzhou Changkou industrial zone, which is on the Bank of Fuchun River. Founded in 2004 with a registered capital of 100 million yuan, the company is a science and technology enterprise integrating R & D, production, sales, and maintenance of control valves. Zhejiang Lasen Intelligent Equipment Co., Ltd. is Nitrogen Sealing Self-operated Control Valve Manufacturer and Nitrogen Sealing Self-operated Control Valve Supplier.

Our company is a national high-tech enterprise, a national science and technology-based small and medium-sized enterprise, an industry-university research teaching base of Zhejiang University of Technology, and a teaching base of "engineer training plan". We have passed ISO9001 \ ISO45001 management system certification, special equipment manufacturing license (class A1 certification) issued by the State Administration of market supervision, functional safety certification (safety integrity level reaches SIL2 / SIL3) and EU safety certification "CE", ball valve and butterfly valve products have passed API607 fire protection certification, regulating valve has passed ISO15848 valve low leakage rate certification, In the process of product development, our company continues to introduce international advanced technology and adopts CAD, CAE, CAM, FEA, and finite element analysis and design. At the same time, we have set up a new product R & D center, life test center, high-temperature test center and low-temperature test center, so as to ensure the quality of all our products. We also have a professional team engaged in R&D, manufacturing and management, marketing and finished product inspection of regulating valves for many years.

Zhejiang Lasen Intelligent Equipment Co., Ltd.
  • 2004
    In February 2004, the company was registered and established.
  • 2012
    In June 2012, the company reached a cooperation agreement with BrightonWell in the United States on advanced control valve technology.
  • 2013
    In March 2013, the company cooperated with Zhejiang University of Technology to establish an industry university research teaching base and an excellent engineer training base.

    In July 2013, the company developed high-performance intelligent three eccentric butterfly valves for DN500, Class900LB, and 1500Lb hydrogenation units.
  • 2014
    In January 2014, the company's series of products were officially named (BR.W series).
  • 2016
    In October 2016, the company's products obtained TRCU and CE certifications and were exported overseas.
  • 2017
    In April 2017, the company's products passed the TS A2 level renewal audit of the special equipment production license.
  • 2019
    In May 2019, the company's products passed the API607 fire protection certification.
  • 2020
    In December 2020, the company was awarded the title of "National High tech Enterprise".
  • 2021
    In February 2021, the company completed a new 10000 square meter factory and upgraded its special equipment production license to A1 level.

    In October 2021, the company's products passed the SIL2/3 Functional safety certification.
  • 2022
    In August 2022, the company was awarded the title of "Hangzhou Enterprise High tech Research and Development Center".
  • 2023
    In February 2023, the company's products passed the "Made in Zhejiang" product certification.

    In March 2023, the company's products passed ISO15848 low leakage rate certification.

System
Certification

International system certification, effectively consolidate the competitiveness of the enterprise.

  • TUV ISO15848 Certificate (4
  • TUV ISO15848 Certificate (4
  • TUV ISO15848 Certificate (8
  • API607 Fire Certification（Q41F-CL150 NPS 4）
  • API607 Fire Certification（Q347F-CL150 NPS 8）
  • API607 Fire Certification（Q41F-CL150 NPS 2）
  • API607 Fire Certification（BR.W72 /150LB NPS2）
  • API607 Fire Certification（BR.W73/150LB NPS2）
  • API607 Fire Certification（BR.W8/600LB NPS2）
  • API607 Fire Certification（BR.W72/150LB NPS4）
  • API607 Fire Certification（BR.W73/150LB NPS4）
  • API607 Fire Certification（BR.W8/ 600LB NPS4）

News and Information

Industry Knowledge

What are the primary applications of nitrogen sealing self-operated control valves in industrial processes?

Nitrogen sealing self-operated control valves find various applications in industrial processes where precise control of fluid flow, pressure, and temperature is essential. Some of the primary applications include:
Chemical Processing: These valves are used in chemical manufacturing processes to control the flow of chemicals, ensuring accurate dosing and mixing. The nitrogen sealing helps prevent leakage and maintain the integrity of the process.
Oil and Gas Industry: In the oil and gas sector, nitrogen sealing self-operated control valves are employed for regulating the flow of crude oil, natural gas, and various petroleum products. They play a critical role in controlling the pressure and flow rate in pipelines, refineries, and offshore platforms.
Power Generation: These valves are used in power plants to control the flow of steam, water, and other fluids in boilers, turbines, and cooling systems. Nitrogen sealing helps maintain tight shut-off and prevents steam leakage.
Petrochemical Industry: In the petrochemical industry, these valves are used to handle a wide range of hydrocarbons and chemical compounds. They are crucial for maintaining safe and efficient operations.

Are there any specific safety considerations when working with nitrogen sealing self-operated control valves?

There are specific safety considerations when working with nitrogen sealing self-operated control valves, especially in industrial settings where these valves are commonly used. Ensuring the safe operation of these valves is essential to prevent accidents, protect personnel, and maintain the integrity of the industrial process. Here are some key safety considerations:
Pressure and Temperature: Nitrogen sealing self-operated control valves are often used in applications with high pressure and temperature. It is crucial to select valves that are rated for the specific pressure and temperature conditions of the application. Regularly inspect and maintain valves to ensure they can handle the operational pressures and temperatures without failure.
Proper Installation: Valves should be installed correctly according to manufacturer guidelines and industry standards. Incorrect installation can lead to leaks, malfunctions, or safety hazards. Ensure that all connections, seals, and fasteners are secure.
Leakage Prevention: Nitrogen sealing self-operated control valves are designed to minimize leakage. However, regular inspection and maintenance are necessary to detect and address any potential leaks. Leaking gases or fluids can pose safety risks and environmental hazards.
Material Compatibility: Ensure that the materials used in the construction of the valve are compatible with the fluids or gases being controlled. Incompatibility can lead to corrosion, degradation, or chemical reactions that compromise safety.
Emergency Shutdown Procedures: Develop and implement emergency shutdown procedures in case of valve failure or unexpected events. Personnel should be trained in these procedures to minimize risks during emergencies.