Q641F Gas floating ball valve
The Q641F Pneumatic Floating Ball Valve is a high-performance automated ball valve designed for precise flow control and reliable shut-off in demanding industrial applications. Equipped with a pneumatic actuator and precision-engineered floating ball structure, this valve delivers fast response, low operating torque, bubble-tight sealing, and long-term operational reliability.
As a professional valve manufacturer and OEM supplier, we provide customized pneumatic ball valve solutions for customers worldwide. Our Q641F series is widely used in oil & gas, chemical processing, water treatment, power generation, food processing, pharmaceutical production, and industrial automation systems.
Manufactured in accordance with international standards, the valve offers excellent corrosion resistance, superior sealing performance, and low maintenance requirements, making it an ideal choice for modern automated process control systems.
Q641F Gas floating ball valve
As an experienced industrial valve manufacturer, we offer comprehensive OEM and ODM services to meet project-specific requirements.
Our factory operates under a strict quality management system and provides valves that comply with major international standards.
Every valve undergoes rigorous testing before shipment, including:
Parameter Specifications
| Item | Specification |
|---|---|
| Product Name | Q641F Pneumatic Floating Ball Valve |
| Valve Type | Pneumatic Floating Ball Valve |
| Operation | Pneumatic Actuated |
| Structure | Floating Ball Design |
| Nominal Size | DN15–DN300 (1/2"–12") |
| Pressure Rating | PN16–PN64 |
| ANSI Class | Class 150–600 |
| Body Material | WCB, CF8, CF8M, CF3M, Duplex SS |
| Ball Material | SS304, SS316 |
| Stem Material | Stainless Steel |
| Seat Material | PTFE, RPTFE, PPL, Metal Seat |
| End Connection | Flanged, Threaded, Welded |
| Working Temperature | -29°C to +200°C |
| Applicable Media | Water, Oil, Gas, Steam, Chemical Fluids |
| Air Supply Pressure | 0.4–0.7 MPa |
| Leakage Standard | ANSI/FCI 70-2 Class VI |
| Actuator Type | Double Acting / Single Acting |
| Control Signal | 4-20mA, 0-10V, Pneumatic Signal |
| Protection Grade | IP65 / IP67 |
| Design Standards | API, ANSI, DIN, JIS, GB |
Industry Applications
The Q641F Pneumatic Floating Ball Valve is widely used in industries requiring reliable fluid isolation, automated process control, and high-performance sealing.
Crude oil transportation pipelines
Natural gas processing systems
Refineries and petrochemical plants
Offshore and onshore facilities
Chemical production lines
Solvent transfer systems
Corrosive media control
Process automation equipment
Municipal water supply systems
Wastewater treatment plants
Reverse osmosis systems
Industrial water circulation systems
Thermal power plants
Cooling water systems
Steam pipelines
Auxiliary process systems
Beverage production lines
Food processing equipment
CIP/SIP cleaning systems
Utility service pipelines
Purified water systems
Process fluid handling
Clean room utility systems
Biopharmaceutical production
Pulp transportation systems
Chemical dosing applications
Process water management
Manufacturing plants
HVAC systems
Compressed air networks
Automated production facilities
✔ Factory Direct Supply
✔ OEM & ODM Service Available
✔ Full International Certifications
✔ Fast Delivery & Global Export Experience
✔ Strict Quality Control System
✔ Competitive Wholesale Pricing
✔ Technical Support & After-Sales Service
✔ Custom Engineering Solutions
We specialize in the design, manufacturing, and customization of industrial ball valves for global customers. Whether you require standard products or fully customized valve solutions, our engineering team can provide professional support, competitive pricing, and dependable delivery.
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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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