Home > Stainless Steel Diaphragm Valves
Njabulo Stainless, located in Cape Town, South Africa, stands out as a top-notch manufacturer and supplier of high-quality Stainless Steel Diaphragm Valves. Known for their precision engineering and durability, Njabulo Stainless creates valves that meet the toughest industrial standards. Their products are designed for reliable performance across various sectors, ensuring leak-proof operation, resistance to corrosion, and a long lifespan. By blending advanced manufacturing techniques with premium stainless steel materials, Njabulo Stainless guarantees that each diaphragm valve offers exceptional control over fluid flow, serving a wide range of applications in the chemical, pharmaceutical, water treatment, and food industries both in South Africa and beyond.
These Stainless Steel Diaphragm Valves are primarily made from high-grade stainless steel, typically grades 304 or 316, which provide excellent resistance to corrosion and chemical damage. The diaphragm is generally crafted from elastomeric materials that are compatible with various fluids. These valves boast impressive mechanical properties, including high tensile strength, durability under pressure, and resistance to wear and deformation. Their design ensures smooth operation, reliable sealing, and minimal maintenance, making them perfect for demanding industrial settings. The combination of a sturdy stainless steel body and a flexible diaphragm ensures both structural integrity and operational efficiency, even in challenging conditions.
| 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 are extensively utilized in industries that require precise fluid control and hygiene. They are particularly well-suited for chemical processing, pharmaceuticals, water treatment, food and beverage production, and biotech applications due to their leak-proof design and corrosion resistance. These valves effectively regulate flow, prevent contamination, and can handle aggressive chemicals and high temperatures. They are also used in slurry handling, pulp and paper production, and other industrial processes where reliable shutoff and throttling are essential. Their versatility and durability make them a go-to choice for many applications.
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