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High Integrity Pressure Protection System

HIPPSPu�er-Sweiven’s HIPPS solutions are designed and built in accordance with the IEC 61508 and 61511 Functional Safety Standards. Pu�er-Sweiven o�ers a range of customized SIL-3 capable High Integrity Pressure Protection Systems (HIPPS) for over-pressure protection. This over-pressure protection solution leverages our expertise of over seven decades in isolation valves and valve actuation systems, as well as extensive safety system application engineering experience.

What is HIPPS?A High Integrity Pressure Protection System is a specialized type of Safety Instrumented System (SIS) designed to quickly isolate a downstream system from a high-pressure source. HIPPS are typically certi�ed up to SIL-3 and provide the owners/operators with one of the most reliable over-pressure protection methods o�ered in the market today.

The components of a HIPPS package primarily consist of:Initiators/Sensors to detect a high-pressure event.

Logic Solver containing the execution program that monitors the sensors and triggers action when a safety demand is needed.

Final Control Elements, typically consisting of a valve, actuator, and various instrumentation, to carry out the corrective action in the �eld by bringing the process to a safe state.

Upstream

Asset Management Software

RosemountTM PressureTransmitters (2 oo 3)

ASCOTM Soleniods

FisherTM FIELDVUETM

Digital Valve Controller

DeltaVTM SISLogic Solver

BettisTM Actuators

VirgoTM Valves

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Where is HIPPS used?Virtually everywhere. Any place a potential high-pressure scenario presents a safety, environmental, or economic risk, a HIPPS may be used to mitigate that risk. Most commonly, HIPPS are used where �aring or conventional pressure relief devices are not desirable or practical.

A few application examples:Installations that lack �are capacity or where �are modi�cations are not possible.Process �uid is toxic, �ammable, or environmentally “un-friendly”.Traditional relief devices are di�cult to apply, i.e. multiphase venting, extremely fast or poorly understood reaction rates, polymerization (plugging) possible, etc.Activated relief devices are di�cult or expensive to reset or replace.

Known as the last line of defense, HIPPS deliver a continuous measure of safety positioned to reduce the operational risk associated with the likelihood of an overpressure event. It supports a source isolation within seconds and can be done at a much lower cost compared to installing a new �are and header system.

What are the Advantages of HIPPS?HIPPS can monitor and detect overpressure events and react faster than conventional systems similar to safety relief valves. Unlike other safety relief devices, once the overpressure scenario is reduced or removed, the system can go back online without the need to install a new relief device or the need to have scheduled re-calibration of relief devices. HIPPS also provide the added bene�t of isolation. Isolation of the high-pressure source could mean minimal or reduced �aring, smaller required venting areas, less inventory loss, and even the possibility of piping down-rating.

HIPPS also o�ers a solution to mitigate risk in cases where:High-pressure and/or �ow rates are managed.The environment is to be protected.The economic sustainability of a development needs improvement.The risk pro�le of the plant must be reduced.

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Why Pu�er-Sweiven?Traditionally, end users have had to source HIPPS components from multiple suppliers. Pu�er-Sweiven is able to o�er a one-stop solution where you can select from a wide variety of brands for your HIPPS applications.

Pu�er-Sweiven’s HIPPS solutions o�er:Best-in-class Emerson brands. As the Local Business Partner for Emerson Automation Solutions, we can provide Virgo valves, Bettis actuators, DeltaV logic solvers, Rosemount sensors and transmitters, ASCO solenoid valves, Topworx instrumentation, and more…Other brands of product are available to meet customer preferences.In-house experts for all represented product brands.Local HIPPS design, integration, and test facilities.Complete skid design and fabrication services.Valve Condition Monitoring and System Health Monitoring programs available to assist with the Operations and Maintenance phase of Safety Lifecycle.Factory Acceptance Testing, Site Acceptance Testing, and Operator Training available. Full compliance with IEC 61508 and 61511. Third-party certi�cations and veri�cations available upon request.Installation and service support to maintain SIL certi�cation levels.Components compliant with appropriate Hazardous Area Classi�cation