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Help CenterPTFE Seat JIS F7481 Pneumatic Wafer Butterfly Valve for Corrosive Media
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As a professional manufacturer of industrial valves, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to introduce our high-performance PTFE Seat JIS F7481 Pneumatic Wafer Butterfly Valve. Engineered specifically for handling corrosive and aggressive media across diverse industries, this valve combines robust construction with precise actuation. With our ISO9001 certified manufacturing process and over eight years of industry experience, we deliver a reliable solution that ensures process integrity, minimizes maintenance downtime, and offers excellent long-term value for your demanding fluid control applications.
This valve is designed to meet the rigorous demands of modern industrial processes. Its core features are tailored to provide superior performance in challenging environments.
- Superior Corrosion Resistance: The virgin PTFE seat provides exceptional chemical inertness, making the valve suitable for a wide spectrum of acids, alkalis, solvents, and other corrosive fluids.
- Robust JIS F7481 Design: Manufactured to the Japanese Industrial Standard, the valve ensures reliable performance, dimensional accuracy, and compatibility with international piping systems.
- Efficient Pneumatic Actuation: Equipped with a double-acting or spring-return pneumatic actuator, it allows for quick, reliable, and automated on/off or modulating control, ideal for remote or sequenced operations.
- Bubble-Tight Shut-Off: The precision-engineered PTFE seat and disc design ensures a bubble-tight seal, preventing leakage and ensuring process safety and environmental protection.
- Compact Wafer Design: The wafer-style body is lightweight and space-saving, simplifying installation between pipe flanges and reducing overall system weight and cost.
- Low Torque Operation: The design minimizes operating torque, reducing the size and cost of the required actuator and extending the service life of the valve components.
The technical specifications of our PTFE Seat Pneumatic Butterfly Valve are detailed below to help you evaluate its suitability for your application.
| Parameter | Specification |
| Design & Manufacturing Standard | JIS F7481 |
| Body Material Options | Ductile Iron (GGG40), Cast Steel (WCB), Stainless Steel (CF8/CF8M) |
| Seat Material | Virgin Polytetrafluoroethylene (PTFE) |
| Disc Material | Stainless Steel (304/316), PTFE Coated Stainless Steel |
| Connection Type | Wafer (10K, 16K pressure rating available) |
| Nominal Diameter Range | DN50 (2") to DN600 (24") - Custom sizes available upon request |
| Pressure Rating (PN) | 10K (PN16), 16K (PN25) |
| Temperature Range | -20°C to +150°C (with PTFE seat) |
| Actuator Type | Pneumatic (Double Acting or Spring Return), with optional positioner, limit switches, solenoid valve |
| Operation | 90-degree rotation, On/Off or Proportional Control |
Choosing our valve brings distinct advantages to your operations:
- Enhanced Process Safety: Reliable sealing protects personnel and the environment from hazardous leaks.
- Reduced Lifetime Cost: The durability of PTFE and corrosion-resistant materials minimizes replacement frequency and maintenance expenses.
- Operational Flexibility: Compatible with a wide range of automation systems, enabling seamless integration into your control loops.
- Global Compliance: The JIS F7481 standard is widely recognized, facilitating use in international projects, especially in Asian and global markets.
Backed by our ISO9001 quality management system, Shanghai Zhibang Valve ensures every valve undergoes strict testing before shipment. Our annual export value of US$1-1.5 Million reflects the trust of clients across North America, South America, Europe, Asia, Africa, and Oceania. We ship efficiently from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. This proven track record, combined with our focus on manufacturing excellence since 2016, means you are selecting a partner committed to delivering reliable, high-quality valves for corrosive service. Contact us today to discuss how this PTFE Seat Pneumatic Butterfly Valve can solve your specific fluid control challenges.
Frequently Asked Questions (FAQ)
Q1: What types of corrosive media is this valve suitable for?
A: The PTFE seat offers excellent resistance to a broad range of chemicals, including strong acids (sulfuric, hydrochloric), strong alkalis, halogenated solvents, and various aggressive industrial fluids. Please consult us for compatibility with your specific media.
Q2: Can this valve be used for both on/off and flow control applications?
A: Yes. When paired with a standard pneumatic actuator, it is ideal for on/off service. For precise flow control (throttling), it can be equipped with a pneumatic actuator featuring a proportional positioner.
Q3: What is the significance of the JIS F7481 standard?
A: JIS F7481 is a Japanese Industrial Standard specifying requirements for butterfly valves. It defines dimensions, pressure ratings, materials, and testing, ensuring product reliability and interchangeability, which is highly valued in many Asian and international markets.
Q4: What are the available options for the pneumatic actuator?
A: We offer both double-acting (air to open, air to close) and spring-return (fail-safe open or closed) actuators. Accessories like solenoid valves, limit switches, and positioners are available to customize the automation package.
Q5: Is the valve suitable for high-temperature applications?
A: The standard PTFE seat version is rated for temperatures up to 150°C. For higher temperature requirements, alternative seat materials or designs can be discussed as a customizable option.
Q6: How does the wafer connection simplify installation?
A: The wafer design is installed by bolting it between two pipeline flanges. It is lighter and requires less space than lug or flanged-end butterfly valves, reducing installation time and structural support needs.
Q7: What is your lead time for standard and customized orders?
A: Standard sizes and configurations typically have shorter lead times. For customized requirements (special materials, sizes, or accessories), the lead time will be confirmed based on the specific order details. We strive to provide efficient delivery schedules.
Q8: Do you provide technical support for selection and installation?
A: Absolutely. Our technical team can assist you in selecting the appropriate valve configuration (materials, actuator type, accessories) based on your application parameters (fluid, pressure, temperature) and provide installation guidance.
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