Safety Valves / Relief Valves
Safety solutions for pressure systems
The Series 300 safety valves are conventional spring-loaded valves with a balanced metal bellows design for reliable overpressure protection in demanding industrial environments.
Type: Conventional spring
Setting pressure: 0.2 - 100 bar
Temperature: -20 to +425 °C
Main characteristics of safety valves
- Conventional spring-loaded valve with adjusting ring for optimal precision
- Balanced design with metal bellows (316Ti, Inconel) for stable calibration
- Body made of WCC 1.0619 carbon steel for high mechanical strength
- Internals made of 1.4404 stainless steel, Inconel® or Monel® depending on the application
- Long 316L nozzle conforming to NACE standards for increased protection and longevity
- Compliant with API 520/526 standards for calculations and selection
- PED 2014/68/EU and ATEX 2014/34/EU certifications for explosive environments
Technical parameters
Valve type: Conventional spring valve
Diameter range: DN20 - DN150 mm
Setting pressure: 0.2 - 100 bar
Port range: D to R (6R10 available)
Operating temperature: -20 to +425 °C
Connections: Class 150, 300, 300L, 600, PN16, PN40
Body material: WCC 1.0619 carbon steel
Internal materials: 1.4404 stainless steel, Inconel, Monel
Advanced features
Technical advantages
• Reliable protection against overpressure
• Balancing bellows for calibration stability
• Long nozzle for increased lifespan
• Precision adjustment ring
• NACE compliance for corrosive environments
• ATEX certification for explosive areas
Available options
• With or without manual lifting lever
• Lift detector
• Special paint systems
• Finishing of the flanges (interlocking joints)
• Special springs for high temperatures
• Repair kits and spare parts
Types of valves available
The 300 series is available in different configurations:
- Conventional spring-loaded valves
- Balanced valves with metal bellows
- Valves with manual lifting lever
- ATEX-certified valves for explosive atmospheres
- Valves with lift sensor
Industrial application areas
Oil and Gas
Refineries, offshore platforms, pipelines. Our valves provide reliable overpressure protection in the most demanding environments of the oil and gas industry.
Chemical Industry
Reactors, distillation columns, heat exchangers. Resistance to corrosive chemicals and operational reliability are essential in these critical applications.
Petrochemicals
Cracking, reforming, and polymerization units. Our valves protect expensive equipment from dangerous overpressures in complex petrochemical processes.
Power plants
Boilers, superheaters, heat exchangers. The safety of energy production installations is guaranteed by our high-performance valves.
Pharmaceutical industry
Reactors, autoclaves, sterilization systems. Hygiene and precision are paramount in these applications where product quality is critical.
Corrosive environments
Applications requiring NACE compliance with corrosion-resistant materials (Inconel®, Monel®) for the most aggressive environments.
Zones explosives
ATEX certified applications for explosive atmospheres where intrinsic safety is required to prevent any risk of ignition.
High temperature
Applications up to 425°C with special springs and materials adapted to maintain performance under extreme thermal conditions.
Advantages of the technology
Maximum safety of the installations
The design, compliant with API 520/526 standards, ensures reliable protection against dangerous overpressures. Series 300 safety valves prevent equipment damage and ensure personnel safety.
Performance and reliability
The adjustment ring allows for precise setting of the pressure, while the long nozzle improves valve life by reducing wear on critical components.
Adaptability to harsh environments
With corrosion-resistant materials (Inconel®, Monel®) and NACE compliance, our valves operate reliably in the most corrosive and high-temperature environments.
Regulatory compliance
PED 2014/68/EU and ATEX 2014/34/EU certifications guaranteeing compliance with European regulations for pressure equipment and explosive environments.
Frequently Asked Questions
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