Products/Pressure Safety Valves/EF1216HP

HIGH-PRESSURE SAFETY VALVE

EF1216HP
  • Designed for high-pressure applications up to PN400
  • Reinforced internals for demanding operating conditions
  • Reliable pressure relief for gas, steam and liquid systems
EF1216HP high-pressure pressure relief valve in stainless steel 316L
EF1216HP high-pressure pressure relief valve in stainless steel 316L
DatasheetAccessories

Applications

Configured Service Scope
Chemical
Gas
Oil & Gas
Petrochemical

Key Specifications

NOMINAL SIZES1/2" x 3/4" to 2" x 2"
PRESSURE RATINGSPN 100 / PN 250 / PN 400 (up to 400 bar)
TEMPERATURE RANGE-10°C to +300°C (Cryogenic option down to -196°C)
DESIGN STANDARDSEN 4126-1/7 / EN 12516-1
MATERIALSStainless Steel 316L (A351 CF3M), High-strength internals (Inconel X750, 17-4 PH)
CONNECTIONSThreaded (BSP / NPT)
CERTIFICATIONSPED / CE / ATEX (on request)

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FAQs

The EF1216HP is a compact spring-loaded pressure safety and relief valve designed for high-pressure applications. It provides overpressure protection for pipelines, pressure vessels, process equipment and industrial utility systems handling steam, gases, vapours and compatible liquids.
The EF1216HP is available in pressure ratings up to PN400, approximately 400 bar, depending on valve size and selected configuration. The applicable set-pressure range and certified capacity must be confirmed for the specific duty.
The EF1216HP is engineered specifically for high-pressure service. It uses reinforced internal components, including high-strength spring and trim materials, to provide stable and reliable operation under elevated pressure conditions where standard pressure ratings are insufficient.
The EF1216HP is manufactured in stainless steel 316L, with high-strength internal components including Inconel X750 springs and 17-4 PH trim elements. Final material suitability must be checked against the actual fluid, temperature and project requirements.

ABOUT EF1216HP

The Pressure Safety Valve Model 1216HP is a high-performance spring-loaded safety valve designed for high-pressure applications, providing reliable overpressure protection in demanding industrial environments.

Manufactured in stainless steel 316L with reinforced internal components, including Inconel X750 springs and high-strength trim materials, the valve ensures durability and stable operation under elevated pressure conditions.

Designed in accordance with EN 4126-1/7 and EN 12516-1, the 1216HP is suitable for systems handling steam, gases, vapors, and liquids, where compact threaded connections and high-pressure resistance are required.

With pressure ratings up to PN400 and an operating temperature range from -10°C to +300°C, including optional cryogenic service down to -196°C, the Model 1216HP is ideal for critical applications requiring robust, high-pressure safety protection.

Frequently Asked Questions

The EF1216HP is a compact spring-loaded pressure safety and relief valve designed for high-pressure applications. It provides overpressure protection for pipelines, pressure vessels, process equipment and industrial utility systems handling steam, gases, vapours and compatible liquids.
The EF1216HP is available in pressure ratings up to PN400, approximately 400 bar, depending on valve size and selected configuration. The applicable set-pressure range and certified capacity must be confirmed for the specific duty.
The EF1216HP is engineered specifically for high-pressure service. It uses reinforced internal components, including high-strength spring and trim materials, to provide stable and reliable operation under elevated pressure conditions where standard pressure ratings are insufficient.
The EF1216HP is manufactured in stainless steel 316L, with high-strength internal components including Inconel X750 springs and 17-4 PH trim elements. Final material suitability must be checked against the actual fluid, temperature and project requirements.
The standard operating temperature range is -10°C to +300°C. Cryogenic configurations down to -196°C can also be considered, subject to the selected valve execution, cryogenic fluid and project requirements.
The EF1216HP is supplied with BSP or NPT threaded connections. The required inlet and outlet sizes must be selected according to relieving capacity, installation conditions and project requirements.
The EF1216HP is designed according to EN 4126-1/7 and EN 12516-1 and can be supplied in accordance with the Pressure Equipment Directive, including PED and CE documentation. ATEX configurations are available on request where applicable.
Yes. The EF1216HP can be considered for thermal expansion protection where liquid becomes trapped between closed valves or inside an isolated section of high-pressure piping. As the trapped liquid heats up, thermal expansion can produce a significant pressure increase even when the required relieving quantity is relatively small. Set pressure and required capacity must still be determined from the actual thermal-relief scenario.
Thermal relief describes the overpressure scenario rather than necessarily a different valve technology. A spring-loaded pressure relief valve can be used for thermal expansion protection when its pressure range, certified capacity, materials and configuration are suitable for the required duty.
The EF1216HP can be considered for thermal-relief protection of compatible high-pressure liquid-fuel systems, including applications where Jet A-1 or similar fuels may become trapped and pressure increases because of temperature variation. Fluid compatibility, set pressure, sealing configuration, required relief capacity and applicable project requirements must be confirmed for the specific installation.
The EF1216HP can be considered for high-pressure industrial services involving steam, gases, vapours and compatible liquids. Typical applications can include steam, hot water, compressed air, neutral gases and compatible process liquids. Final suitability depends on pressure, temperature, fluid properties and selected valve configuration.
It can be considered for boilers, steam generators and auxiliary steam equipment when the required steam relieving capacity, set pressure and applicable equipment requirements fall within the valve's certified range. Selection must be based on the actual steam-generation or overpressure scenario rather than connection size alone.
Yes. The EF1216HP can be considered for high-pressure compressors, compressed-air receivers, pumps and associated pressure systems, pressure vessels and packaged process equipment. The required capacity and set pressure must be calculated for the actual equipment and failure scenario.
It can be considered for sterilizers, autoclaves and associated steam equipment where the pressure, temperature and required relieving capacity are compatible with the selected configuration. If pharmaceutical, hygienic or sanitary requirements apply, these must be evaluated separately.
It can be considered for compatible high-pressure utility services involving hot water, steam, compressed air, gas and cleaning liquids. For aggressive cleaning chemicals, the actual chemical composition, concentration and temperature must be provided before confirming material compatibility.
Yes. The EF1216HP is suited to compact high-pressure protection duties involving compressed air and compatible technical gases. The actual gas, pressure, temperature and required relieving capacity must be known for correct selection.
ATEX configurations can be supplied where applicable. The required hazardous-area classification and documentation should be stated during the RFQ stage so that the exact valve configuration and marking can be confirmed.
No. A safety valve is sized according to the required relieving capacity and applicable sizing calculation, not simply by matching the nominal pipe diameter. This is particularly relevant for thermal expansion duties, where a compact valve may provide sufficient capacity even when the protected pipeline is significantly larger.
The information normally required includes: - Fluid - Required relieving capacity - Set pressure - Relieving pressure or allowable overpressure - Operating and relieving temperature - Backpressure, where applicable - Required pressure rating - BSP or NPT connection requirement - Material requirements - Cryogenic requirement, if applicable - ATEX requirement - Applicable code - Inspection and documentation requirements
Delivery time depends on valve size, pressure rating, configuration, certification, testing and project requirements. Standard versions may have shorter lead times, while high-pressure or cryogenic configurations may require additional manufacturing time. The applicable delivery time is confirmed with each quotation.
Yes. The EF1216HP can be supplied within EPC and project environments where sizing, inspection, certification and documentation requirements form part of the agreed scope. Depending on the project, this can include material certificates, test reports, PED/CE documentation and third-party inspection. Project-specific requirements should preferably be identified during the RFQ stage.