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Pneumatic Wafer Butterfly Valve
FYL's Pneumatic Wafer Butterfly Valve is engineered specifically for industrial fluid control applications. Benefiting from precision manufacturing techniques and the selection of premium materials, it delivers both high operational efficiency and long-term stability, making it widely adaptable to a broad spectrum of media and operating environments. Driven by a pneumatic actuator, the valve offers precise and responsive actuation, facilitating seamless integration into automated control systems. Furthermore, its wafer-style structure ensures convenient, space-saving installation, while providing reliable sealing performance capable of achieving leak-free shut-off.
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Product Description
The Pneumatic Wafer Butterfly Valve is a versatile and reliable solution for controlling the flow of fluids in a wide range of industrial applications. Crafted with precision engineering and high-quality materials, this valve combines efficient performance with durability. FYL's Pneumatic Wafer Butterfly Valve is trusted by engineers worldwide for its consistent performance and long service life.
Key Features
Pneumatic Actuation
This butterfly valve is equipped with a pneumatic actuator, allowing for precise and rapid control of fluid flow. It ensures smooth operation and can be integrated into automated systems for seamless process control. Our Pneumatic Wafer Butterfly Valve supports both double-acting and spring-return configurations.
Wafer Design
The valve features a space-saving wafer design, which allows for easy installation between flanges. It ensures a secure and leak-free connection while reducing installation time and costs. FYL's Pneumatic Wafer Butterfly Valve is compatible with PN10, PN16, and ANSI 150 flanges.
Versatile Applications
Suitable for a variety of media, including water, air, gases, and some corrosive fluids. Its robust construction makes it ideal for use in industries such as chemical, pharmaceutical, food processing, and more. The Pneumatic Wafer Butterfly Valve from FYL adapts to your specific process requirements.
Bubble-Tight Seal
The butterfly valve is designed to provide a bubble-tight seal when closed, preventing leaks and minimizing the risk of contamination in critical processes. Our Pneumatic Wafer Butterfly Valve meets ISO 5208 Rate A leakage standards.
High-Quality Materials
Crafted from durable materials such as stainless steel, carbon steel, or other corrosion-resistant alloys, ensuring longevity and resistance to harsh environments. FYL offers body materials including ductile iron, CF8, CF8M, and WCB for the Pneumatic Wafer Butterfly Valve.
Easy Maintenance
The valve's design facilitates quick and straightforward maintenance, reducing downtime and associated costs. Seat replacement on our Pneumatic Wafer Butterfly Valve can be performed without removing the actuator.
Position Indicator
A visual position indicator is integrated into the valve, allowing operators to monitor the valve's status at a glance. Optional proximity sensors are available for remote feedback on the Pneumatic Wafer Butterfly Valve.
Wide Size Range
Available in various sizes to accommodate different pipeline requirements, ensuring compatibility with your specific application. FYL's Pneumatic Wafer Butterfly Valve ranges from DN50 to DN600 (2 to 24 inches).
Technical Advantages
FYL's Pneumatic Wafer Butterfly Valve incorporates several engineering advancements. The stem sealing system uses triple O-rings to prevent external leakage. The disc profile is optimized for low flow resistance, reducing pressure drop across the valve. Our Pneumatic Wafer Butterfly Valve also features a blowout-proof stem design for enhanced safety. All units undergo 100% pressure testing and seat leakage inspection before shipment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Size Range | DN50 - DN600 (2" to 24") |
| Body Material | Ductile Iron, CF8 (SS304), CF8M (SS316), WCB Carbon Steel |
| Disc Material | SS304, SS316, Duplex 2507, Aluminum Bronze |
| Seat Material | EPDM, NBR, Viton, PTFE, Silicone |
| Pressure Rating | PN10, PN16, Class 150 |
| Actuator Type | Double acting or Spring return (fail-safe open/close) |
| Control Signal | 4-20mA, 0-10V (with positioner) or On-Off with solenoid valve |
| Temperature Range | -20°C to +200°C depending on seat material |
Parameter
|
Shell test (MPa) |
1.5MPa、2.4MPa、3.0MPa |
|
Seal test (MPa) |
1.1MPa、1.76MPa、2.2MPa |
|
Operation |
Hand wheel,pneumatic, electric,worm gear |
|
applicable medium |
Water,sewage,sea water,air, steam |
| size | Connect Dimension | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| A | H | H1 | φD | φD1 | n-- φd | L | |||
| PN10 | PN16 | PN10 | PN16 | ||||||
| DN50 | 168 | 131 | 70 | 125 | 125 | 97 | 4-20 | 4-20 | 42 |
| DN65 | 219 | 148 | 72 | 145 | 145 | 112 | 4-20 | 4-20 | 45 |
| DN80 | 249 | 155 | 90 | 160 | 160 | 127 | 4-20 | 4-20 | 45 |
| DN100 | 274 | 171 | 108 | 180 | 180 | 160 | 4-20 | 4-20 | 52 |
| DN125 | 274 | 193 | 120 | 210 | 210 | 188 | 4-20 | 4-20 | 55 |
| DN150 | 355 | 210 | 134 | 240 | 240 | 216 | 4-23 | 4-23 | 56 |
| DN200 | 417 | 246 | 166 | 295 | 295 | 268 | 4-23 | 4-23 | 61 |
| DN250 | 452 | 282 | 206 | 350 | 355 | 330 | 4-23 | 4-26 | 66 |
| DN300 | 585 | 311 | 234 | 400 | 410 | 384 | 4-23 | 4-26 | 77 |
| DN350 | 685 | 345 | 265 | 460 | 470 | 422 | 4-23 | 4-26 | 77 |
| DN400 | 743 | 377 | 297 | 515 | 525 | 473 | 4-26 | 4-30 | 86 |
| DN450 | 857 | 412 | 331 | 565 | 585 | 526 | 4-26 | 4-30 | 104 |
| DN500 | 935 | 440 | 361 | 620 | 650 | 577 | 4-26 | 4-33 | 130 |
Customization Services (OEM / ODM)
Tianjin Fuyaolai Technology Co., Ltd. offers comprehensive OEM and ODM services for the Pneumatic Wafer Butterfly Valve. Our engineering team can develop custom solutions based on your drawings or specific requirements. Customization options include:
- Special actuator mounting brackets (Namur or VDI/VDE 3845 standard)
- Custom disc coatings including Halar, PFA, or electroless nickel plating
- Extended neck for insulated pipelines or cold service applications
- Private labeling and custom packaging with your brand identity
- Special alloy materials for highly corrosive environments
Our technicians work closely with clients to ensure every Pneumatic Wafer Butterfly Valve meets exact application needs. We have successfully delivered OEM projects for clients in the Middle East, Southeast Asia, and Europe.
Certifications and Quality Assurance
FYL's Pneumatic Wafer Butterfly Valve is manufactured under strict quality management systems. Our certifications include:
- ISO 9001:2015 certified quality management system
- CE certification (PED 2014/68/EU) for European market
- ATEX optional certification for hazardous areas (Zone 2 and Zone 22)
- WRAS approval for drinking water applications
- API 607 fire-safe testing for specific configurations
Every Pneumatic Wafer Butterfly Valve undergoes shell test, seat leakage test, and actuator functional test before dispatch. Test reports are available upon request.
After-Sales Service and Delivery
Pre-Sales Support
Our team provides 7x24 online quotation service for urgent and small requests. We offer product technical consultation, introduce and demonstrate products, and conduct product design and complete solutions according to customer needs for the Pneumatic Wafer Butterfly Valve.
In-Sales Service
We follow up on production progress and give feedback to customers in time. Weekly production photos and inspection videos can be shared for your order of Pneumatic Wafer Butterfly Valve.
After-Sales Service
We verify whether clients are satisfied with the products and solve problems during installation. FYL offers a 12-month warranty on all Pneumatic Wafer Butterfly Valve products, with lifetime remote technical assistance and spare parts availability for 10+ years.
Shipping and Logistics
We ship via sea, air, or rail to over 60 countries worldwide. Each Pneumatic Wafer Butterfly Valve is securely packed using plywood cases with anti-corrosion film and desiccant. Standard lead time is 15 to 25 days; OEM orders typically require 4 to 6 weeks. Real-time tracking information is provided for every shipment.
Frequently Asked Questions (FAQ)
Q1: What is the standard leakage rate for FYL Pneumatic Wafer Butterfly Valve?
A: Our Pneumatic Wafer Butterfly Valve achieves ISO 5208 Rate A (zero visible leakage) under rated pressure. For soft-seat designs, we guarantee bubble-tight shut-off in both flow directions.
Q2: Can the valve be integrated with existing PLC systems?
A: Yes. We provide Namur solenoid valves, 4-20mA positioners, and feedback units compatible with Siemens, Allen-Bradley, and other major controllers. The Pneumatic Wafer Butterfly Valve is automation-ready.
Q3: What is the typical maintenance interval?
A: Under normal operating conditions, we recommend visual inspection every 6 months. The pneumatic actuator requires periodic lubrication. Our Pneumatic Wafer Butterfly Valve design allows quick seat replacement without removing the valve from the pipeline, minimizing downtime.
Q4: Do you offer explosion-proof versions?
A: Yes, we supply ATEX and IECEx certified actuators and accessories for hazardous areas (gas Zone 1 and 2, dust Zone 21 and 22). Please specify requirements when ordering the Pneumatic Wafer Butterfly Valve.
Q5: What is the minimum order quantity for custom sizes?
A: For standard sizes, MOQ is 1 piece for stock items. For OEM materials such as Duplex stainless steel or special coatings, MOQ is typically 5 to 10 pieces. We are flexible for trial orders of the Pneumatic Wafer Butterfly Valve.
Q6: How long is the warranty period?
A: FYL provides a 12-month warranty on all Pneumatic Wafer Butterfly Valve products from the date of shipment. Defective parts will be replaced free of charge. Technical support is available for the lifetime of the product.
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