3/8in-58in DN10-DN1400 Class150 Class300 Fully Welded Ball Valve

• Customization: Available
• Media: Gas
• Material: Carbon Steel
• Connection Form: Welding
• Driving Mode: Manual
• Nominal Pressure: PN1.0-32.0MPa
• Channel: Straight Through Type
• Structure: Fixed Ball Valve
• Type: Fixed Ball Valve
• Function: Cutting off
• Temperature: Normal Temperature
• Application: Industrial Usage
• Transport Package: Polywood Case
• Specification: DN1200
• Trademark: Quanshun
• Origin: Zhengzhou China
• HS Code: 8481804090

Product Description

 

 

Product Description

Ball Valve is a high performance eccentric ball valve with two piece valve body and suitable for industries water ,pipe line ,circulating water ,hot water and so on .

 

Benefits

1.Fully welded valve body structure and no leakage.
2.30 years' service life, no need for maintenance and same life expectancy with pipelines.

3.Specially made valve seat with multi-layer sealing structure that guarantees absolute seal.
4.Underground valve can be provided to save well making cost and reduce preliminary project investment, and ensure the safety of operation and maintenance personnel.

5.Over-pressurized prefabricated heat preserving valve can be provided which effectively prevents defects caused by bad heat-preserving conditions at site.

 

Size	2''-56''	DN50-DN1400
Rating	Class150-Class2500	PN6-PN420
Temperature	-70ºC-180ºC
Operation	Hand wheel, worm gear,electric,pneumatic,Hydraulic,Electro over Hydraulic, Gas over Hydraulic
Medium	Water,oil, gas and so on

Main products

Company Profile

  Henan Quanshun Flow Control Technology Co., Ltd. is a subsidiary of the Quanshun Group, a high-tech enterprise integrating the research and development, design, casting, manufacturing, sales, and service of intelligent industrial valves. Established in 2005 with a registered capital of 100.08 million yuan, the company operates three bases. It has been recognized as a provincial-level enterprise technology center, an advanced enterprise in fixed asset investment in Zhengzhou High-tech Zone, and an outstanding economic contributor. It is also a national high-tech enterprise with high growth potential. The company is the core drafting unit for eight national and industry standards, including the "Eccentric Semi-ball Valve," "Bidirectional Metal Hard Sealing Butterfly Valve for Urban Heating," "Insulation Jacket Valve," "Alumina Slurry Valve," "V-Ball Valve," "Hydraulic Control Valve," "Piston Flow Control Valve," and "Rotary Ball Valve." The company holds nearly 70 patents, including invention patents and national utility model patents. The "Quanshun" brand valves have earned various honors, such as provincial high-quality branded products, energy-saving products, key industrial products, Henan Province's first (set) major technical equipment products, "Specialized, Refined, Featured, and Innovative" enterprise recognition, and Henan Province's "Small Giant" in technology filed.

  The company's products are widely applied in industries such as petrochemical, power, steel, heating, metallurgy, and coal chemical engineering, serving as qualified suppliers for major companies like PetroChina, Sinopec, CNOOC, Huadian, Datang, China National Nuclear Corporation, China Resources, State Investment Corporation, and Shenhua Group. The company has provided professional, reliable, and safe integrated solutions to over 3,000 group clients and 5,000 projects.
   Quanshun Flow Control has over 40 years of professional expertise. With the corporate philosophy of "Integrity, Diligence, Teamwork, and Service," the company has gathered a large team of senior and mid-level professionals, as well as numerous skilled workers trained in specialized technology. The company employs over 300 people, with more than 80% holding technical qualifications above the college level. The technical department includes a CAD design studio, research and development center, process room, and an EMS production management system. The company holds various domestic and international certifications, including an A1-level special equipment manufacturing license (pressure pipeline components), ISO quality assurance system certification, ISO15848 low leakage certification, CE, SIL safety certification, API 607, API 6FA fire safety certification, integration of information and industrialization management system evaluation, intellectual property management system certification, and AAA-level credit qualification.
  The company has invested heavily in valve products, which focusing on national standards and energy-saving and emission-reduction efforts. And we has developed several new valves with independent intellectual property rights, including the bidirectional metal-sealing rotary ball valve, bidirectional all-metal hard-sealing butterfly valve, quick action line blind, anti-scaling semi-ball valve, needle-type regulating valve, molten salt valve, and water coal slurry discharge valve. These products have been widely adopted by more than 200 well-known domestic and international enterprises and key engineering projects. The company's self-developed fifth-generation temperature and pressure reduction device has received national support for energy-saving and emission-reduction projects, and the "Bidirectional Metal Sealing Rotary Ball Valve" has received recognition from the Henan Provincial Science and Technology Department as  a technological achievement, which also acknowledge 5 series products as high-tech products. 

  The company collaborates closely with several well-known domestic design institutes, including SDE, Hualu Engineering, Zhengzhou University, Henan University of Light Industry, North China University of Water Resources and Electric Power, and large enterprises like Wanhua Chemical, PetroChina, and Sinopec. These partnerships provide clients with R&D and manufacturing solutions for flow control equipment.
  In September 2023, the company acquired the 33,350-square-meter plot of land in Zhengzhou, which will inject new vitality into the company's development and contribute to the improvement and upgrading of the industrial chain.
  The dedicated and ambitious team at Quanshun is fully committed to building a century-old brand, delivering excellent product quality and perfect services in return for the support and trust from all sectors of society.

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FAQ

Q: What is the cause of the leakage at the stem extension?
A: There are two reasons, one is the sealing ring damage; Second, the sealing ring wear, aging.

Q: How to solve the leakage at the stem extension?
A: The solution is to replace the sealing ring.

Q: What causes leakage at the valve and pipe connection?
A: First, the sealing surface is damaged or contaminated by dirt; Second, gasket failure; Third, the pipe flange pressure is uneven or not pressed.

Q: How to deal with leakage at the connection of valve and pipeline?
A: The following measures can be taken: repair the sealing surface or clean up the dirt; Replace the gasket; Press the flange bolt evenly.

Q: What is the cause of leakage in the valve?
A: There is mainly debris on the sealing surface, or the sealing surface is damaged.

Q: How to deal with internal leakage of valve?
A: Remove the debris on the sealing surface and repair or replace the sealing pair.

Q: What is the problem caused by the inflexibility of valve opening and closing?
A: First, the executive mechanism failure; Second, there are foreign objects blocked valve plate.

Q: How to solve the valve opening and closing is not flexible?
A: When the actuator fails, repair or replace the actuator; If foreign objects block, remove foreign objects, and be careful not to damage the sealing surface.

Q: Can the valve actuator adjust itself?
A: The valve actuator has been debutted before leaving the factory, and non-professional personnel are forbidden to adjust.