BR.W6 Series Direct Stroke Control Valve
Custom BR.W6 Series Direct Stroke Control Valve
Provide High-qualityControl Valve Solutions

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 Direct Stroke Pressure Control Valve Manufacturer and Direct Stroke Pressure 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.


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 Series Direct Stroke Control Valves, and how do they differ from other control valve types?

Series Direct Stroke Control Valves represent a specialized category of control valves used in various industrial processes. These valves differ from other control valve types in their unique mode of operation and specific applications, offering distinct advantages in certain scenarios.
Key Features:
Direct Stroke Operation: Unlike traditional control valves that rely on various control mechanisms such as diaphragms, actuators, or electric motors, Series Direct Stroke Control Valves operate directly in response to changes in the input signal. This direct linkage between the input signal and valve position simplifies their design and operation.
Fast Response: Direct stroke control valves offer rapid response times, making them suitable for applications that require quick adjustments in flow rates or pressure levels. They excel in situations where precise and immediate control is essential.
Simple Design: The absence of complex control mechanisms results in a simpler and more robust design. This simplicity translates to reduced maintenance requirements and increased reliability.

What are the applications of Series Direct Stroke Control Valves?

Series Direct Stroke Control Valves offer a unique approach to control valve technology with their direct stroke operation, providing precise control, fast response times, and simplicity in design. They excel in applications where rapid and accurate control is essential and can contribute to improved process efficiency, safety, and cost-effectiveness. However, their suitability depends on the specific requirements of the industrial process, and careful consideration should be given to the application before selecting these valves.
Steam Control: Series Direct Stroke Control Valves are commonly used in steam control applications, where precise and rapid adjustments to steam flow are crucial for maintaining temperature and pressure in industrial processes. Pressure Regulation: They are also employed for pressure regulation in applications such as gas pipelines and chemical manufacturing, ensuring safe and consistent pressure levels.
Emergency Shutdown Systems: The fast response time of these valves makes them suitable for emergency shutdown systems in critical processes, providing a rapid means of isolating equipment in the event of a safety hazard. Hydraulic Systems: Series Direct Stroke Control Valves find applications in hydraulic systems, where they enable precise control over hydraulic fluid flow for machinery and equipment.