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
