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Help CenterCompact Wafer-Type Manual Butterfly Valve, Marine Grade, Lever Handle Operation, PN16 Rated
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As a leading manufacturer with over 8 years of expertise, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance, reliable fluid control solutions. Our Compact Wafer-Type Manual Butterfly Valve is engineered for demanding environments, particularly marine applications where corrosion resistance and dependable operation are paramount. This valve combines a space-saving wafer design with a robust marine-grade construction, providing a durable and efficient solution for on/off and throttling services in various industrial systems.
This manual butterfly valve stands out for its simplicity, reliability, and suitability for harsh conditions. Below are its key features and technical specifications presented for clarity.
Superior Marine-Grade Construction: The valve body and critical components are manufactured from materials specifically selected for excellent corrosion resistance in saltwater and humid atmospheres, such as 316 stainless steel or equivalent alloys, ensuring a long service life in offshore and marine applications.
Compact & Lightweight Wafer Design: The wafer-type configuration allows for installation between two pipeline flanges, significantly reducing weight and space requirements compared to lug-style valves. This makes it an ideal choice for systems with space constraints.
Quick & Reliable Lever Handle Operation: Featuring a simple yet robust lever handle, the valve allows for rapid 90-degree rotation from fully open to fully closed positions. The handle often includes a locking feature to secure the valve in the desired position, preventing accidental operation.
PN16 Pressure Rating: Rated for PN16 (16 bar), this valve is suitable for a wide range of moderate-pressure applications in water, air, and other compatible media systems, offering a reliable seal under working conditions.
High-Performance Seat Seal: Equipped with a resilient seat, typically made from PTFE or EPDM, which provides a bubble-tight seal, excellent chemical resistance, and low torque operation, minimizing wear and maintenance needs.
Versatile Application Scope: While designed for marine use (shipboard piping, offshore platforms), its robust design also makes it suitable for chemical processing, water treatment, HVAC, and general industrial services where compact, manual isolation is required.
Here is a summary of typical technical specifications. Specific dimensions and material grades can be customized upon request.
| Parameter | Specification |
|---|---|
| Valve Type | Wafer-Type Butterfly Valve |
| Operation | Manual Lever Handle |
| Pressure Rating | PN16 (16 bar / 232 psi) |
| Temperature Range | -20°C to +150°C (depending on seat material) |
| Body Material | Marine Grade (e.g., CF8M/316 SS) |
| Disc Material | Stainless Steel |
| Seat Material | PTFE, EPDM, or NBR (Standard) |
| Stem Material | Stainless Steel |
| Connection Standard | ISO 5752, EN 1092, ANSI, JIS, etc. |
| Seat Leakage Class | Zero Leakage (Bubble-tight achievable) |
The primary advantages of choosing this valve translate directly into operational benefits for your project. Its marine-grade materials drastically reduce maintenance frequency and replacement costs caused by corrosion. The compact wafer design simplifies installation, saves valuable space, and lowers the overall weight of the piping system. The simple lever operation ensures easy and quick control by personnel, enhancing operational safety and efficiency. Furthermore, its PN16 rating and tight seal provide reliable performance for a broad spectrum of fluids, ensuring system integrity and preventing leaks.
Backed by our ISO9001-certified quality management system, every valve undergoes stringent inspection to meet precise performance standards. With an annual export value of US$1-1.5 Million and a strong presence in key markets across North America, Europe, Southeast Asia, and beyond, Shanghai Zhibang has established a global reputation for dependable industrial valves. Our strategic location with major ports of shipment like Shanghai and Guangzhou ensures efficient logistics and timely delivery. Choose this compact, marine-grade butterfly valve for a robust, space-efficient, and cost-effective solution that delivers lasting performance in challenging environments. Contact us today for detailed specifications, pricing, or to discuss your custom requirements.
Frequently Asked Questions (FAQ)
Q1: What does "marine grade" specifically mean for this valve?
A1: "Marine grade" indicates that the primary metallic components, such as the valve body, disc, and stem, are constructed from materials with high corrosion resistance, typically 316 stainless steel or similar alloys. These materials are specifically chosen to withstand harsh, salt-laden environments common in marine and offshore applications.
Q2: Can this wafer-type valve be used as an end-of-line valve?
A2: No, a standard wafer-type butterfly valve is designed to be installed between two flanges and is not suitable for end-of-line service. For such applications, a lug-style butterfly valve, which has threaded inserts allowing it to be bolted at the end of a pipeline, would be the appropriate choice.
Q3: Is the lever handle lockable to prevent unauthorized operation?
A3: Yes, the standard lever handle on this valve typically features provisions for a padlock, allowing it to be secured in either the fully open or fully closed position. This is a valuable safety and security feature.
Q4: What fluids is this PN16 valve suitable for?
A4: With the appropriate seat material selection (like EPDM for water, PTFE for chemicals), this valve is suitable for a wide range of media including fresh water, seawater, air, gases, oils, and many mild chemical solutions. Always confirm chemical compatibility for specific applications.
Q5: What are the standard sizes available?
A5: We offer a standard size range typically from DN50 (2") to DN300 (12"). Other sizes may be available upon request. Please consult with our sales team for the complete size chart and availability.
Q6: What flange standards does this valve comply with?
A6: The valve can be manufactured to suit various international flange standards, including ISO, DIN, ANSI, JIS, and others. The specific standard and pressure class (e.g., PN16, Class 150) should be specified at the time of ordering.
Q7: What is the expected service life of the valve seat?
A7: The service life of the resilient seat depends on operating conditions such as temperature, pressure, cycle frequency, and media. Under normal PN16 service with compatible fluids, seats can last for several years. PTFE seats generally offer excellent durability and chemical resistance.
Q8: Do you offer customization, such as different handle types or materials?
A8: Yes, as a manufacturer, we offer customization options. These can include different handle types (e.g., gear operators for larger sizes), specific material certifications, special coatings, or modifications to dimensions. Please provide your detailed requirements for a tailored quotation.
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