Home > Stainless Steel Diaphragm Valves
Harshita Stainless produces and exports Stainless Steel Diaphragm Valves from Delhi, India, for sanitary and corrosion-resistant flow control requirements in demanding industries. The valves consist of a flexible diaphragm that seals off against a weir or seat, providing leak-proof performance. Made of SS 304, 316, and 316L, these valves are suitable for hygienic processes like pharmaceuticals, food and beverage processing, and handling chemicals. We have manual and automated solutions for precise fluid control. Harshita Stainless ensures every valve is made to high-quality and performance standards for critical process use.
Our SS 316 or 316L diaphragm valves consist of 16–18% chromium, 10–14% nickel, and 2–3% molybdenum. These diaphragm valves show good corrosion resistance and mechanical strength with a pressure rating of up to 10 bar and up to 180°C temperature tolerance. The elastomer diaphragm provides a leak-tight seal, while stainless steel body can withstand chemicals and wear. Mechanical features are tensile strength of 500–700 MPa and great fatigue resistance, which allow for consistent performance in repetitive cycling.
| 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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Stainless Steel Diaphragm Valves are applied in biotech, pharmaceutical processing, food & beverage systems, ultrapure water lines, and chemical dosing. The design allows zero contamination and smooth flow control. They are perfect for corrosive or sterile applications and are critical in CIP/SIP systems, cleanroom processes, and laboratories. Their resistance to corrosive media and leak-proof sealing make them imperative in safety-relevant applications. Harshita Stainless provides diaphragm valves throughout Delhi and India with a full adherence to FDA, USP Class VI, and ASME BPE standards.
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