Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
Full welded ball valve

Full welded ball valve

Full welded ball valve
Full welded ball valve

Full welded ball valve
Full welded ball valve

Electric Fully Welded Ball Valve District Heating Control Ball Valve

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The Full Welded Ball Valve is a high-performance industrial valve designed for reliable shut-off and flow control in long-distance pipeline systems and demanding industrial applications. Featuring a fully welded valve body structure, this valve eliminates potential leakage points caused by traditional bolted connections, providing superior safety, durability, and long-term operational reliability.

The all-welded design offers excellent pressure resistance, corrosion protection, and mechanical strength, making it especially suitable for buried pipelines, natural gas transmission systems, oil transportation networks, and other critical pipeline applications.

With a full bore flow channel design, the valve provides low pressure loss, high flow capacity, and efficient pigging capability. The advanced sealing structure ensures tight shut-off performance, reduced maintenance requirements, and stable operation under harsh environmental conditions.

Manufactured using advanced welding technology, precision machining, and strict quality control processes, the Full Welded Ball Valve delivers excellent performance in high-pressure, high-cycle, and outdoor applications.

We provide professional OEM and customization services to meet different project requirements, including customized valve dimensions, materials, pressure ratings, welding standards, connection designs, coating systems, sealing solutions, and actuator configurations.

All valves are manufactured under strict quality management systems and comply with international valve industry standards. We provide complete certifications, including ISO 9001, API, CE, ASME, API 6D, ISO 14313, and other applicable industry certifications, ensuring reliable quality and global application compliance.

Full welded ball valve

OEM Capability & Customization Services

We provide comprehensive OEM/ODM solutions, including:

  • Customized valve design according to customer drawings and technical specifications
  • Customized fully welded valve structures
  • Customized materials:
    • Carbon Steel
    • Stainless Steel
    • Low Temperature Carbon Steel
    • Alloy Steel
    • Duplex Stainless Steel
  • Customized valve sizes and pressure classes
  • Customized pipeline connection standards:
    • ANSI
    • API
    • ASME
    • DIN
    • EN Standards
  • Customized welding processes and inspection requirements
  • Customized sealing solutions:
    • PTFE
    • RPTFE
    • PEEK
    • Metal Seat
    • Graphite
    • Special Sealing Materials
  • Customized operation methods:
    • Manual Handle
    • Worm Gear Operator
    • Pneumatic Actuator
    • Electric Actuator
    • Hydraulic Actuator
  • Customized buried pipeline solutions:
    • Extended Stem Design
    • Underground Installation Structure
    • Anti-Corrosion Coating
  • Customized surface treatment:
    • FBE Coating
    • Epoxy Coating
    • Special Anti-Corrosion Treatment
  • Customized logo marking, nameplate, packaging, and product identification
  • Prototype development and mass production support

Parameter Specifications

Parameter Specification
Product Name Full Welded Ball Valve
Valve Type Fully Welded Body Ball Valve
Valve Structure Floating Ball / Trunnion Mounted Ball
Design Type Full Port / Reduced Port
Nominal Size DN50–DN1200 / 2"–48" (Customized)
Pressure Rating PN16–PN420 / Class 150–2500
Body Material Carbon Steel, Stainless Steel, Low Temperature Steel, Alloy Steel
Ball Material Stainless Steel / Alloy Material
Stem Material Stainless Steel / Alloy Steel
Seat Material PTFE, RPTFE, PEEK, Metal Seat
Seal Material PTFE, Graphite, FKM, Customized
Connection Type Fully Welded Ends
Working Medium Natural Gas, Oil, Water, Steam, Industrial Fluids
Working Temperature -46°C to +200°C (Depending on Material Selection)
Flow Characteristic Full Bore, Low Pressure Drop
Operation Type Manual / Worm Gear / Pneumatic / Electric / Hydraulic
Sealing Performance Tight Shut-Off, Double Block & Bleed Available
Leakage Standard API 598 / ISO 5208
Design Standard API 6D / ISO 14313 / ASME B16.34
Fire Safe Design API 607 / API 6FA Available
Anti-Static Design Available
Anti-Corrosion Protection FBE Coating / Epoxy Coating / Customized
Installation Type Above Ground / Underground Pipeline Installation
Inspection Standard API / Customer Requirements
Pressure Test Shell Test & Seat Test According to Standards
Certification ISO 9001, API 6D, CE, ASME, ISO 14313 Available
OEM Service Available
Customization Capability Size, Material, Pressure, Coating, Connection, Actuator, Packaging

Industry Applications

The Full Welded Ball Valve is widely used in industries requiring high reliability, leak prevention, and long service life.

Natural Gas Industry

  • Long-distance gas transmission pipelines
  • City gas distribution networks
  • Gas storage facilities
  • Gas pressure regulation stations
  • Underground gas pipelines

Oil & Gas Industry

  • Crude oil transportation systems
  • Oil pipeline networks
  • Storage terminals
  • Pipeline isolation systems

Petrochemical Industry

  • Refinery process pipelines
  • Chemical transportation systems
  • High-pressure fluid control applications

Water Supply Industry

  • Municipal water transmission pipelines
  • Large-scale pumping stations
  • Industrial water supply networks
  • Long-distance water projects

Energy Industry

  • Power plant pipeline systems
  • District heating networks
  • Energy transportation projects

Mining Industry

  • Slurry transportation systems
  • Mine water pipelines
  • Heavy-duty pipeline applications

Industrial Infrastructure

  • Underground pipeline projects
  • Large pipeline networks
  • Automated pipeline control systems
  • Critical fluid transportation systems

Product Advantages

✔ Fully welded body design for zero external leakage risk
✔ High strength and excellent pressure resistance
✔ Suitable for buried and long-distance pipelines
✔ Full bore design for efficient flow and easy pigging
✔ Excellent sealing performance and reliability
✔ Low maintenance requirements and long service life
✔ Suitable for harsh outdoor environments
✔ Wide range of customization options
✔ Manufactured according to international valve standards

Material customization plan

Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.

Structural optimization design

For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.

Interface standard adaptation

Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.

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