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As a leading PVC Diaphragm Valve Manufacturer, Solid Valve engineers top-tier plastic valves designed for extreme corrosion resistance and zero-leakage performance. Our PVC diaphragm valves feature a robust weir-type design, keeping the working mechanisms completely isolated from the fluid. This ensures long service life, minimizes maintenance, and prevents contamination in your pipeline
As a leading PVC Diaphragm Valve Manufacturer, Solid Valve delivers high-quality, corrosion-resistant plastic diaphragm valves for precise flow control in demanding industries. Our UPVC and CPVC diaphragm valves excel in throttling and ON/OFF applications, offering superior chemical resistance and low maintenance.
Our Diaphragm Valves are available in sizes 1/2 in. – 4 in., with U-PVC and CPVC. Possible end connections are true-union socket or threaded and flanged ends. Possible diaphragm materials are EPDM, FPM and PTFE. PVDF vapor barrier available upon request for EPDM and PTFE diaphragms. The PVC Diaphragm Valve is suitable for throttling and ON/OFF service in applications ranging from water treatment to chemical abrasion processes. Diaphragm valves are operated manually, electrically, or pneumatically.
1. Material: U-PVC, C-PVC
2. Size: DN15-DN100(1/2 inch~4inch)
3. Flange connection: DIN PN10; ANSI CL 150; JIS 10K
4. Ball material: PVC-U; PVC-C; PVDF; PPG; PPH
5. Body material: PVC-U; PVC-C; PVDF; PPG; PPH
6. Diaphragm material: PTEE; FEP with EPDM cushion
7. Operator: handwheel
Request CAD Drawings & Dimensions
Lockable Handwheel: Dialock design adjustable and lockable in over 300 positions, with optical position indicator for precise control.
This valve also features an optical indicator which displays the opening position.
Solvent cement required for joining this product with other PVC systems.
Union fittings allow for easy maintenance of the diaphragm valve without the need for additional gluing.
Lightweight & Durable: Pollution-free design with no metal contact; low maintenance and high temperature/pressure resistance (up to PN10/PN16).
Diaphragm Options: EPDM, FPM (Viton), PTFE (with optional PVDF vapor barrier) for versatile media compatibility.
As an experienced PVC Diaphragm Valve Manufacturer, we offer competitive pricing, ISO9001/ISO14001 certified quality, and fast global shipping. Our valves outperform metal alternatives in corrosive applications, with precise throttling and zero leakage. Trusted for projects in water treatment and chemical industries – get bulk discounts and custom options today.
PVC Diaphragm Valves are widely used in fluid control for various liquids and gases, especially in industries like chemical, pharmaceutical, food and beverage, and water treatment. They are ideal for regulating, shutting off, or controlling the flow of fluids, ensuring system stability.
Chemical Processing: Handling corrosive liquids and slurries.
Water Treatment: Ideal for deionized water and RO systems.
Agriculture: Fertilization and irrigation systems.
Aquaculture: Safe for aquatic life in large-scale filtration.
Consult with Our Application Engineers
Use solvent cement for socket ends. Position valve for easy access to handwheel. Inspect diaphragm annually; replace via union connection. Avoid over-tightening to prevent damage.
Excellent Corrosion Resistance: Made from high-quality PVC material, PVC Diaphragm Valves offer exceptional resistance to acids, alkalis, salts, and other corrosive chemicals, ensuring a longer lifespan.
Lightweight and Convenient: PVC is lighter than metal materials, making transportation and installation easier, while also reducing handling complexity.
Precise Fluid Control: The diaphragm design offers high flow control accuracy, ensuring stable and reliable operation during use.
Low Maintenance Cost: PVC Diaphragm Valves typically require less maintenance, significantly lowering the maintenance costs compared to metal valves.
High Temperature and Pressure Resistance: Suitable for use in various high-temperature and high-pressure environments, making them highly versatile.
Pollution-Free Design: With simple construction and no metal contact, these valves reduce the risk of fluid contamination, making them especially ideal for potable water and food processing applications.
Q: What is the maximum temperature for your PVC Diaphragm Valves?
A: Standard PVC can handle up to 60°C (140°F). For higher temperature requirements, as a versatile PVC Diaphragm Valve Manufacturer, we also offer CPVC or PPH materials that can withstand up to 95°C.
Q: Can I get customized colors or branding?
A: Yes, we offer OEM services. As your dedicated PVC Diaphragm Valve Manufacturer, we can customize the valve handle color or laser-etch your logo for bulk orders.
Q: How do I choose between EPDM and FPM diaphragms?
A: EPDM is excellent for general water and mild chemicals, while FPM (Viton) is required for concentrated acids or oils. Contact our technical team for a compatibility chart.
As one of the most professional PVC Diaphragm Valve manufacturers in China we're featured by good service and competitive price. Please rest assured to buy high quality diaphragm valve in stock here from our factory. Contact us for pricelist and quotation.
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Product Dimensions:
| Name of product | PVC Diaphgram Valve |
| Main material | CPVC/PVC-C |
| Specification range | 20mm-63mm;1/2'-2" |
| Valve color | Light Grey and orange; other colors |
| To connect | Socket; Glue connection; cement |
| Pressure range | medium pressure; PN10, PN16 |
| Temperature of Media: | Medium Temperature |
| The standards | ASTM/ANSI/GB/DIN/ISO4422 |
| Certificates | ISO14001, ISO9001 |
| Joints | Solvent Welding Joints |
| Media | Water/liquid |
Ductile iron valves can be customized according to customer needs.
Customized ductile iron valves can be designed and manufactured according to specific dimensions, shapes, materials, and process requirements.
Customers can provide their own design drawings or requirement specifications, or communicate with suppliers to customize ductile iron valves that meet specific requirements. Customized ductile iron valves can meet the special needs of different engineering projects, improve the adaptability and reliability of the project.
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