Diaphragm Valve Manufacturer in USA – SVR Global
SVR Global is a trusted Diaphragm Valve Manufacturer in USA, delivering durable metallic diaphragm valves for water treatment, chemical, mining, marine, power, and industrial services. Our diaphragm valves are built for tight shutoff, abrasion resistance, and reliable handling of corrosive and slurry media.
Function & Working
Diaphragm valves use a flexible diaphragm pressed against a weir or seat to regulate or stop flow. The simple and robust design ensures bubble-tight shutoff, contamination-free operation, and suitability for corrosive, abrasive, and slurry applications.
Advantages
Leak-tight shutoff with zero contamination
High resistance to corrosion, abrasion, and erosion
Suitable for slurries, viscous, and corrosive fluids
Easy diaphragm replacement and low maintenance
Long service life under harsh conditions
Industries Served
Water & Wastewater Treatment
Chemical & Petrochemical
Oil & Gas
Power Generation
Mining & Slurry Transport
Marine & Offshore
Body Materials
Category | Material (ASTM/EN Grades) | Typical Use |
---|---|---|
Cast Iron (CI) | ASTM A126 Class B | General service, water distribution |
Ductile Iron (DI) | ASTM A536 Gr.65-45-12 | Wastewater, slurry handling |
Carbon Steel | WCB / LCB (ASTM A216 / A352) | Oil & gas, power plants |
Stainless Steel | CF8 (SS304), CF8M (SS316), CF3M (SS316L) | Corrosive and chemical duty |
Duplex Stainless Steel | ASTM A890 Gr.4A / 5A | Seawater, desalination |
Super Duplex | ASTM A890 Gr.6A (2507) | Offshore, high chloride service |
Nickel Alloys | Hastelloy, Monel, Inconel | Aggressive chemical media |
Titanium | ASTM B381 Gr.2 | Seawater, strong acids |
Technical Specifications
Design Standards: BS EN 13397, API 609, ASME B16.34
Size Range: ½” – 24” (DN15 – DN600)
Pressure Ratings: Class 150 – 600 / PN10 – PN100
End Connections: Flanged (RF/FF/RTJ), Threaded (NPT/BSP)
Operation: Manual Handwheel, Pneumatic Actuator, Electric Actuator
Special Options: Abrasion-resistant and corrosion-resistant diaphragm lining