

HIPPS offers a range of customised SIL3-capable High Integrity Pressure Protection Systems (HIPPS) for over-pressure protection
HIPPS is an acronym for High Integrity Pressure Protection System, which is a specific application of Safety Instrumented System (SIS) The function of a HIPPS is to protect downstream equipment against overpressure or upset conditions coming from the upstream.
This is achieved by quickly closing two in-series dedicated safety shut-off valves to preventing further pressurisation of downstream piping.
The entire HIPPS package mainly consists of:
Initiators
Logic Solver
Final Elements
It is designed in order to reach the desired fail-safe condition for the process according to the following standards:
IEC 61508: ”Functional Safety of Electrical/Electronic/Programmable Electronic Safety Related System”
IEC 61511: ”Functional Safety: safety instrumented systems for the process industry sector”
ANSI/ISA S84.01, ”Application of Safety Instrumented Systems for the Process Industries”
Compliance Standards:
- IEC 61511
- IEC 61508
Components:
- Valves – Ball or Butterfly
- Actuators – Pneumatic, Hydraulic or Electro-hydraulic
- Pressure Transmitters
- Logic Solver – Solid state or Programmable Electronic Systems (PES)
- High Integrity Manifold Block
Redundancy:
- Final control element (1oo2)
- Solenoid valves (1oo2)
- Pressure transmitters (2oo3)
- Logic Solver – Redundancy on I/O Cards, Relays, Communication and Power Module
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