HIPPS
High Integrity Pressure Protection System
L&T Valves offers a range of customised SIL3-capable High Integrity Pressure Protection Systems (HIPPS) for over-pressure protection
In industrial plants, in case of over-pressurisation, the gases released are primarily flared. Flaring and venting of flammable gases pose health and safety hazards and constitute a significant threat to the environment.
High Integrity Pressure Protection System (HIPPS) is a Safety Instrumented System (SIS), which by definition is a distinct, reliable system, used to contain catastrophic over-pressurisation and prevent the release of toxic, flammable or explosive chemicals.
HIPPS protects downstream equipment by shutting-off the source of over-pressure within seconds, and is designed to offer at least the same reliability as a safety relief valve or flare system.
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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