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IMI Bopp & Reuther
Si 0 - Pressure Relief Safety Valve
Compact stainless steel safety valve for precise pressure relief in demanding industrial environments.
Ensures reliable high-pressure relief with compact, durable design.
Handles extreme temperatures, ensuring versatile application.
Stellite hard-faced seat resists wear for long-term use.
Features
The Si 0 Series compact safety valve ensures reliable pressure relief in demanding applications. Made from stainless steel, it is designed to handle high pressures up to 400 bar and extreme temperatures ranging from -270°C to +400°C. This versatile valve is suitable for vapours, gases, and liquids across industries like chemical, petrochemical, and technical gases. With options for bellows, a hard-faced Stellite seat for wear resistance, and compatibility with mobile pressure vessels, the Si 0 Series meets stringent safety standards while delivering long-term durability and performance in critical applications.
Key features
Compact stainless steel body
Temp range: -270°C to +400°C
Pressure: 0.45–400 bar
Bellows for high back pressure
DN 15–25 inlet sizes
Stellite seat for durability
Handles vapours, gases, liquids
Meets DIN EN ISO 4126-1 standards
Suitable for mobile vessels
Blowdown: 10% vapours, 20% liquids
Specifications
Fluid Types
Liquid
Gas
Vapour
Material (EN)
EN 1.4571
PN Rating (PN)
400
Maximum Set Pressure (barg)
400
Material (ASME)
ASME 316TI
Inlet Size (DN)
15
25
Design Codes
EN
Service Category
General
Semi-Severe
Max. ASME Rating
2500
Certification
PED
Temperature Limits (°C)
-270 to 400
Resources
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