Flanged Floating Ball Valve

As a leading Chinese manufacturer, FYL specializes in developing high-performance flanged floating ball valves that comply with strict international specifications. Our flanged floating ball valve line adopts a precisely designed floating structure, which guarantees reliable tight sealing even in high-pressure working conditions, effectively solving leakage problems commonly seen in petroleum, natural gas, and water treatment projects. When cooperating with FYL, international customers can enjoy lower maintenance expenses, customizable OEM services, and round-the-clock professional technical support.


High Performance Flanged Floating Ball Valve for Industrial Fluid Management

Reasons to Select FYL Flanged Floating Ball Valve

In complicated industrial operating conditions, unexpected valve malfunctions usually result in expensive production halts and potential safety risks. FYL flanged floating ball valve is specially manufactured to avoid such problems. Different from conventional fixed ball valves, the floating structure makes use of upstream medium pressure to press the ball toward the downstream seat, forming a tighter seal along with the rise of pressure. Whether applied in corrosive chemical pipelines or high-pressure water systems, our flanged floating ball valve maintains stable zero-leakage operation, safeguarding your equipment and reducing operational losses.


Key Strengths of FYL Flanged Floating Ball Valve

Self-Relieving Seat Structure

The flanged floating ball valve is equipped with a self-relieving seat that automatically adjusts internal pressure, avoiding seat deformation and prolonging the service life of internal valve parts.

Wide Selection of High-Quality Materials

We adopt high-grade stainless steel, brass, and professional engineering plastics in production. All raw materials go through strict screening and testing to ensure excellent corrosion resistance and long-term durability.

Blow-Out Proof Stem Design

The valve stem is constructed to prevent blow-out, enhancing operational safety for workers in high-pressure industrial environments.

Reduced Operating Torque

The optimized matching structure between the ball and seat lowers operating torque, making manual operation easier and reducing abrasion to automatic actuators.

Product Introduction of Flanged Floating Ball Valve

FYL flanged floating ball valve contains a movable ball inside the valve body. The ball is connected with the valve stem, which is controlled by a handle or actuator to realize opening and closing. This type of valve is widely applied in industries including oil and gas exploitation, chemical processing, municipal water supply, and industrial wastewater treatment.

Flanged floating ball valves are suitable for applications requiring high control precision. The free movement of the floating ball helps form a reliable sealing surface, making it a proper choice for working conditions that allow minimal leakage. These valves are provided in multiple material options to meet different medium and working condition requirements.


Main Dimensions of Flanged Floating Ball Valve (GB)

SIZE DN L PN16 L PN25 L PN40 D PN16 D PN25 D PN40 Z-Ød PN16 Z-Ød 150LB Z-Ød 300LB
15 130 130 130 95 95 95 4-14 4-14 4-14
20 140 140 140 105 105 105 4-14 4-14 4-14
25 150 150 150 115 115 115 4-14 4-14 4-14
32 165 165 180 135 135 135 4-19 4-18 4-18
40 180 180 200 145 145 145 4-19 4-18 4-18
50 200 200 220 160 160 160 4-19 4-18 4-18
65 220 220 250 180 180 180 4-19 4-18 8-18
80 250 250 280 195 195 195 8-19 8-18 8-18
100 280 280 320 215 230 230 8-19 8-18 8-23
125 320 320 400 245 270 270 8-19 8-25 8-25
150 360 360 400 280 300 300 8-23 8-25 8-25
200 400 400 880 335 360 375 12-23 12-25 12-30
250 533 533 598 405 425 445 12-25 12-30 12-34

AISI Dimensions of Flanged Floating Ball Valve (mm)

SIZE DN L 150LB L 300LB L 600LB D 150LB D 300LB D 600LB Z-Ød 150LB Z-Ød 300LB Z-Ød 600LB
1/2" 108 140 165 89 95 95 4-15 4-15 4-16
3/4" 117 152 190 98 115 117 4-15 4-15 4-19
1" 127 165 216 108 125 124 4-15 4-19 4-19
1-¼" 140 178 229 117 135 133 4-15 4-19 4-19
1-1/2" 165 190 241 127 155 156 4-15 4-22 4-22
2" 178 216 292 152 165 165 4-19 8-19 8-19
2-1/2" 190 241 - 178 190 - 4-19 8-22 -
3" 203 283 - 190 210 - 4-19 8-22 -
4" 229 305 432 229 254 273 4-19 8-22 8-25
5" 256 381 491 254 279 330 8-22 8-22 8-29
6" 394 403 559 279 318 356 8-22 12-22 12-29
8" 457 502 660 343 381 419 8-22 12-25 12-32
10" 533 568 - 406 444 - 12-25 16-29 -
12" 610 - - 483 - - 12-25 - -


Main Application Fields of Flanged Floating Ball Valve

Our flanged floating ball valve is widely used by professional customers in various industries that demand stable and reliable valve products:

Oil and gas engineering technicians who need fire-safe certified valves for pipeline transportation projects. Water treatment plant managers who require corrosion-resistant valves for sewage disposal and seawater desalination systems. Chemical production personnel who need precise flow control for volatile and corrosive media. OEM cooperative enterprises that seek a professional Chinese manufacturer to provide customized valve solutions.

Strict Quality Control System

Each FYL flanged floating ball valve passes four comprehensive quality inspection procedures before delivery:

Raw material testing, including composition analysis and mechanical property testing for each batch of materials. In-production inspection with real-time monitoring in the automated production workshop. Surface treatment testing, including salt spray testing to ensure adhesion and corrosion resistance. Final performance testing, including high-pressure shell test and seat leakage test to ensure full compliance with standards.


Frequently Asked Questions

Does FYL support customized design for flanged floating ball valve?

Yes, FYL provides professional OEM customization services. Our technical team can adjust valve dimensions, materials, and connection types including flanged, threaded, and welded ends according to your project drawings and requirements.

How long is the production lead time for flanged floating ball valve orders?

We keep sufficient inventory for conventional flanged floating ball valve models to ensure fast delivery. For large-scale industrial orders, our automated production lines guarantee efficient and on-time production.

What after-sales support does FYL provide?

We provide 7×24 all-day after-sales service. Our professional team offers timely technical support for installation guidance, operation consultation, and performance troubleshooting to ensure smooth project operation.


Company Profile

Tianjin Fuyaolai Technology Co., Ltd. is an integrated enterprise integrating R&D, production, and sales. The company produces a variety of products with stable quality and multiple standards, and also provides customized design and OEM services according to customer requirements.

At present, the company has five major product categories, more than 50 series and over 600 models, including valves, penstocks, mechanical bar screens, pipe fittings, and cranes. Products feature stable performance and long service life, widely used in water conservancy, sewage treatment, chemical industry, food, urban construction, electric power, petroleum, and environmental protection fields at home and abroad. Our products are exported to Europe, America, the Middle East, Southeast Asia and other regions, and highly praised by customers.

The company adheres to the principle of "Customer First", takes customer needs as the core, strict quality control as the guarantee, and international standards as the goal, to provide customers with satisfactory products and services.

Factory Introduction

Founded in 2010, the factory mainly produces water conservancy machinery and equipment, with five main product types: valves, pipe fittings, mechanical bar screens, penstocks, and cranes. The factory has formed an efficient and standardized operation mode. Facing industry development opportunities, the company actively expands markets and has established an overseas sales company.

In addition, the company is transforming to provide personalized customized services on the basis of traditional manufacturing. Professional technicians can design products according to customer requirements and support OEM production.


Application Scope

Products are widely applied in water conservancy projects, sewage treatment plants, chemical industry, food processing, urban construction, electric power, petroleum industry, environmental protection engineering and other fields.


Market Distribution

Through continuous overseas market expansion, the company has established stable trade relations with many countries and regions, with steady growth in annual sales volume.

Company Service System

Pre-sales Service

Provide 7×24 online quotation service for urgent and small orders, offer product technical consultation, display product details, and carry out customized design and solution making according to customer needs.

In-sale Service

Track real-time production progress and provide timely feedback to customers during the production process.

After-sales Service

Conduct customer satisfaction surveys and solve problems encountered during product installation and operation.

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