Diaphragm Valve Manufacturer in USA
A diaphragm valve is a leak-tight flow control valve designed to isolate process media from valve internals using a flexible diaphragm. This construction makes diaphragm valves ideal for corrosive, abrasive, slurry, and hygienic applications where contamination control, tight sealing, and low maintenance are critical.
SVR Global is a leading Diaphragm Valve Manufacturer and Supplier in USA, delivering engineered diaphragm valve solutions for chemical processing, water and wastewater treatment, pharmaceutical production, mining, and industrial utility systems. Our diaphragm valves provide reliable shut-off, accurate flow regulation, and extended service life in demanding operating conditions.
With proven experience supporting EPC contractors, plant operators, and infrastructure projects, SVR Global supplies diaphragm valves that meet strict project specifications and internationally recognized valve standards.
What Is a Diaphragm Valve?
A diaphragm valve is a type of valve that controls flow by moving a flexible diaphragm against a valve seat or weir. The diaphragm forms a complete seal, isolating the process fluid from the bonnet and operating components.
Key functional advantages include:
- Leak-tight shut-off
- Contamination-free operation
- Excellent throttling capability
- Protection of valve internals from aggressive media
Diaphragm valves are especially suitable for services where cleanliness, corrosion resistance, and minimal maintenance are required.
Where Are Diaphragm Valves Used in Process Systems?
SVR Global diaphragm valves are widely used in flow control and isolation applications, including:
- Chemical and petrochemical processing plants
- Water and wastewater treatment facilities
- Mining and slurry handling pipelines
- Industrial utilities and process piping networks
These applications demand valves capable of handling aggressive media while maintaining reliable sealing and long-term performance.
Types of Diaphragm Valves
SVR Global manufactures and supplies a complete range of diaphragm valve configurations to suit different operating and installation requirements.
Weir-Type Diaphragm Valves
Ideal for throttling applications and clean services requiring precise flow control and reliable sealing.
Straight-Through Diaphragm Valves
Designed for slurry, viscous, and solids-laden fluids with minimal flow restriction and reduced clogging risk.
Manual Diaphragm Valves
Suitable for simple on/off isolation and manual throttling applications in utility and process systems.
Pneumatic Diaphragm Valves
Used in automated systems requiring frequent operation, consistent control, and dependable performance.
Industries Served
SVR Global diaphragm valves are supplied to projects across the United States, including:
- Chemical and petrochemical plants
- Water and wastewater treatment facilities
- Mining and mineral processing operations
- Industrial utility and process plants
Diaphragm Valve Materials & Standards
Diaphragm valves are manufactured using materials selected based on pressure, temperature, and chemical compatibility:
- Stainless steel diaphragm valves for corrosion-resistant and hygienic service
- Carbon steel diaphragm valves for industrial duty
- Cast iron diaphragm valves for water and utility networks
- PTFE-lined and elastomer-lined diaphragm valves for chemical and abrasive media
All SVR Global diaphragm valves comply with ASME B16.34, ANSI, DIN, and ISO standards, ensuring compatibility with industrial piping systems and EPC project requirements.
Technical Specifications
- Design Standards: ASME B16.34
- End Connections: Flanged, Threaded
- Size Range: DN15–DN600
- Pressure Rating: PN10–PN16 / ANSI Class 150
- Temperature Range: Application dependent
- Operation: Manual, Pneumatic
- Service: On/off and throttling
Inspection, Testing & Certification
All SVR Global diaphragm valves undergo comprehensive inspection and testing to ensure dependable sealing and performance:
- Hydrostatic pressure testing
- Diaphragm integrity and leak testing
- Visual and dimensional inspection
- Material traceability verification
- EN 10204 Type 3.1 material certification
Special Design Features
- Leak-tight and contamination-free operation
- Complete isolation of valve internals from process media
- Excellent performance in corrosive and abrasive services
- Low maintenance with easy diaphragm replacement
- Reliable throttling and flow control capability
Diaphragm Valve vs Globe Valve
Diaphragm valves provide superior sealing and contamination control, whereas globe valves are better suited for higher pressure and temperature services where metal-to-metal seating is required.
Why Choose SVR Global as Your Diaphragm Valve Manufacturer in USA?
- Engineered solutions for corrosive and hygienic applications
- Proven support for EPC, utility, and process industry projects
- Compliance with US and international valve standards
- Complete technical documentation and inspection records
- Reliable performance in continuous service environments
Diaphragm Valve FAQs
What is a diaphragm valve used for?
Diaphragm valves are used for flow control and shut-off in corrosive, abrasive, slurry, and hygienic applications.
Are diaphragm valves suitable for slurry service?
Yes. Straight-through diaphragm valves are ideal for slurry and solids-handling services.
Can diaphragm valves be automated?
Yes. Diaphragm valves can be supplied with pneumatic actuators for automated operation.
What limits the temperature rating of diaphragm valves?
The temperature rating is determined by the selected diaphragm material.
