Safety Valve Manufacturer in USA – SVR Global
SVR Global is a recognized Safety Valve Manufacturer in USA, delivering precision-engineered valves designed to protect pressure systems from overpressure. Our safety valves are built to ASME, API, ANSI, and DIN standards, ensuring safe and reliable performance in steam, gas, liquid, and cryogenic services.
With advanced manufacturing in the USA, we produce spring-loaded, balanced bellows, and pilot-operated safety valves tailored for industries such as power generation, oil & gas, petrochemical, LNG, and marine. Each valve undergoes hydrostatic and seat leakage testing in accordance with API 527 for guaranteed performance.
Function & Working
A safety valve automatically releases excess pressure once the set limit is reached and reseats once system pressure returns to normal. Spring-loaded designs use calibrated springs, while pilot-operated valves provide more accurate pressure control for high-capacity or high-pressure systems.
Advantages
- Certified to ASME Section VIII, API 526 & API 527
- Rapid lift and tight reseating to minimize media loss
- Wide pressure and temperature range for diverse services
- Available in spring-loaded, balanced bellows, and pilot-operated configurations
- Soft-seat and metal-to-metal sealing options
- Designed for long service life under continuous duty
Types of Safety Valves
- Spring Loaded Safety Valve
- Pilot Operated Safety Valve
- Balanced Bellows Safety Valve
- Steam Safety Valve
- Gas Safety Valve
- Liquid Relief Valve
- Cryogenic Safety Valve
- High-Pressure Safety Valve
Industries Served
- Oil & Gas Production and Transport
- Petrochemical & Refining
- Power Generation (Thermal, Nuclear, Renewable)
- LNG & Cryogenic Terminals
- Marine & Offshore Installations
- Chemical & Fertilizer Plants
- Water Treatment & Fire Protection Systems
- Industrial Boilers, Compressors, and Process Units
Applications
- Steam boilers and turbine systems
- Process plant reactors and heat exchangers
- Gas distribution and compressor stations
- LNG liquefaction and regasification plants
- Hydrogen and cryogenic gas storage tanks
- Fire protection and emergency venting systems
- High-pressure refinery units
- Aerospace and specialty chemical service
Material Selection for Safety Valves
| Category | Material | Standards / Grades | Typical Applications |
|---|---|---|---|
| Carbon Steel | WCB, WCC, LCB, LCC | ASTM A216 / ASTM A352 | Boilers, hydrocarbons, general service |
| Stainless Steel | CF8 (SS304), CF8M (SS316), F304, F316 | ASTM A351 / A182 | Steam, oxygen, nitrogen, LNG |
| Alloy Steels | WC6, WC9 | ASTM A217 | High-temperature steam, turbines |
| Duplex / Super Duplex | UNS S31803, S32750, S32760 | ASTM A890 / ASTM A182 | Offshore, seawater, aggressive media |
| Nickel Alloys | Monel 400, Inconel 625, Hastelloy C276 | ASTM B564 / ASTM B622 | Hydrogen, cryogenic gases, corrosives |
| Special Alloys | Titanium, Alloy 20 | ASTM B381 / ASTM B463 | Aerospace, chemical, seawater, specialty service |
| Seat & Seal Materials | PTFE, PCTFE, Metal (Stellite overlay) | — | Leak-tight sealing, fire-safe duty |
Technical Specifications
- Design Standards: ASME Section VIII, API 526, API 527, DIN EN ISO 4126
- Size Range: DN15 – DN600 (½” – 24”)
- Pressure Ratings: ANSI Class 150 – 2500 / PN10 – PN400
- Temperature Range: –196°C to +600°C
- End Connections: Flanged (RF, RTJ), Butt Weld, Socket Weld, NPT
- Operation: Spring-loaded and pilot-operated designs
- Testing: Hydrostatic, seat leakage, and cryogenic testing as per API 527 & BS 6364
Why Choose SVR Global?
- USA-based manufacturing with ASME & API-certified designs
- Full product range covering steam, gas, liquid, and cryogenic safety valves
- Advanced material options including Duplex, Nickel Alloys, Titanium, and Hastelloy
- Strict compliance with international codes and customer-specific standards
- Proven installations in power plants, LNG terminals, refineries, offshore rigs, and chemical industries
