Home > Stainless Steel Diaphragm Valves
Lecong Stainless, a reputable manufacturer and supplier based in Da Nang, Vietnam, specializes in high-quality Stainless Steel Diaphragm Valves that are built for precision, durability, and hygiene. These valves are essential in industries where keeping fluids free from contamination is crucial, such as pharmaceuticals, food processing, biotechnology, and chemicals. With a flexible diaphragm, these valves ensure a leak-proof seal and smooth operation, making them perfect for handling corrosive, viscous, or sterile fluids. Lecong Stainless is committed to delivering valves that not only meet international standards but also promise long-lasting performance and reliability for critical operations.
The Stainless Steel Diaphragm Valves are crafted from top-notch stainless steel grades like SS304, SS304L, and SS316L. Their composition includes chromium and nickel, which enhance their resistance to corrosion, while the addition of molybdenum in SS316L boosts their performance in harsh environments. Mechanically, these valves showcase impressive tensile strength, toughness, and durability, even when faced with continuous high-pressure and high-temperature conditions. The diaphragm, typically made from materials like PTFE, EPDM, or other elastomers, works seamlessly with the stainless steel body, offering flexibility, resilience, and compatibility with various chemicals. These combined features make them highly effective for precise fluid regulation and ensuring contamination-free flow.
| Body Material | Stainless Steel |
| Connection | Clamp / Weld |
| Operated | Plastic Handwheel |
| Seal | PTFE + EPDM (Double Layer) |
| Standard | 3A / BPE / DIN |
| Available Size | DN25 ~ DN65 / 1″ ~ 2 1/2″ |
| Structure | T Type |
| Max.Working Pressure | 10 Bar |
| Max. Working Temp. | 120 ℃ |
| Material | C | Si | Mn | P | S | Cr | Ni | N |
|---|---|---|---|---|---|---|---|---|
| Stainless Steel | 0.080 max | 0.75 max | 2.00 max | 0.045 max | 0.030 max | 18.00-20.00 | 8.00-10.50 | 0.100 max |
| Material | Yield Strength | Tensile Strength | Elongation (%) | Reduction of Area (%) | Hardness Max | |
|---|---|---|---|---|---|---|
| Min (Mpa) | Min (Mpa) | Min | Min (50mm) | HB | HR B | |
| Stainless Steel | 170 | 458 | 30 | 50 | 201* | 92* |
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The stainless steel air to open actuated diaphragm valve, available in sizes from 1″ to 6″, features high corrosion resistance. Ideal for automated control, it ensures reliable flow regulation in various applications.
Stainless steel globe control valves, diaphragm operated, come in sizes from 1″ to 12″. These valves offer excellent corrosion resistance and precise flow control, suitable for high-pressure and temperature applications.
Wire diaphragm valves in stainless steel, available in sizes from 1″ to 6″, provide robust corrosion resistance and reliable sealing. They are ideal for handling slurries and aggressive fluids in industrial processes.
Stainless steel flow control valves, ranging from 1″ to 8″, offer excellent corrosion resistance and precision. Suitable for managing fluid flow in a variety of industrial and chemical applications.
Flanged diaphragm valves in stainless steel, available in sizes from 2″ to 12″, ensure high corrosion resistance and secure connections. They are ideal for precise flow control in demanding environments.
The stainless steel straightway diaphragm valve, sized from 1″ to 6″, features excellent corrosion resistance. Its straightway design facilitates efficient flow control and is suitable for various industrial applications.
We are dedicated to delivering the highest quality Stainless Steel Diaphragm Valves to our clients. To ensure their superior quality, these valves undergo a series of rigorous testing processes before being dispatched. The tests include hardness testing, chemical analysis using spectro analysis, positive material identification (PMI) testing, flattening testing, micro and macro tests, pitting resistance testing, flaring testing and intergranular corrosion (IGC) testing. In addition to these tests, we also offer third-party inspection certificates to further assure our clients of the excellence and suitability of our Stainless Steel Diaphragm Valves for diverse applications.
Stainless Steel Diaphragm Valves find extensive use in pharmaceutical production systems, biotech processing facilities, and clean-in-place (CIP) operations due to their hygienic design. In the food and beverage sector, they are commonly utilized in dairies, breweries, and soft drink manufacturing because of their sterile and easy-to-clean characteristics. The chemical and petrochemical industries also rely on them for managing corrosive acids, alkalis, and solvents. Their compact design, smooth flow path, and low maintenance needs make them a top choice across various industries.
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