BR.W8 Series Ball Valves
Custom BR.W8 Series Ball Valves
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 V-ball Valve Manufacturer and Three-way Ball 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 the key design differences between O-ball, V-ball, and Three-way ball valves?

The key design differences between O-ball, V-ball, and Three-way ball valves lie in the shape of their ball or disc and the number of flow paths they provide. These differences have a significant impact on their applications in industrial processes:
1. O-Ball Valve:
Design: O-ball valves have a spherical or rounded ball with a circular bore through the center. The bore creates a circular opening when fully open.
Applications: O-ball valves are commonly used in applications that require on/off control. They provide excellent sealing when fully closed, making them suitable for isolating fluid flow.
2. V-Ball Valve:
Design: V-ball valves feature a ball with a V-shaped or conical bore. The V-shape allows for precise control of flow rates by adjusting the position of the ball.
Applications: V-ball valves are often used in applications that require modulating control, such as regulating flow rates. They excel at maintaining flow stability and offer superior control over the flow profile.
3. Three-way Ball Valve:
Design: Three-way ball valves have a ball with a T or L-shaped bore that provides multiple flow paths. By rotating the ball, the valve can divert or mix flows between different ports.
Applications: Three-way ball valves are versatile and find use in applications where fluid direction needs to be changed or mixed. They are often used for blending, diverting, or isolating fluids in complex piping systems.

What actuation options (manual, pneumatic, electric, etc.) are available for Cut Off O-ball, V-ball, and Three-way ball valves?

Cut Off O-ball, V-ball, and Three-way ball valves can be actuated using various methods to suit different process control needs and automation requirements. Here are some common actuation options available for these valves:
1. Manual Actuation:
Handwheel: Manual handwheels are the simplest form of actuation. They allow operators to manually open or close the valve by turning the handwheel.
Lever: Lever-operated valves offer a quick and easy means of manual actuation. They are often used in applications where frequent manual control is required.
2. Pneumatic Actuation:
Pneumatic Actuator: Pneumatic actuators use compressed air to operate the valve. They are commonly used in industries where rapid actuation and remote control are needed.
Spring-Return Actuator: Spring-return pneumatic actuators use compressed air to open or close the valve and rely on a spring to return the valve to its default position when air pressure is released.
Double-Acting Actuator: Double-acting pneumatic actuators use compressed air to open and close the valve, providing precise control of valve position.