Instrument Engineering Services
Comprehensive instrumentation and control solutions for chemical sector projects, with specialist expertise in hazardous area protection and regulatory compliance.
Hazardous Area Instrumentation Specialists
Expert selection, specification, and design of instrumentation and control systems for potentially explosive atmospheres in compliance with DSEAR and ATEX regulations.
Instrument Selection & Specification
Careful selection and detailed specification of field instrumentation including flow, pressure, temperature, level, and analytical devices. Ensuring optimal performance and compliance with hazardous area requirements for chemical processing applications.
Control System Engineering
Design and implementation of DCS, PLC, and SCADA systems for chemical plants. Functional specifications, control narratives, loop diagrams, and logic development ensuring safe and efficient process control.
Detailed Design & Documentation
Comprehensive instrument engineering deliverables including instrument datasheets, hookup drawings, installation details, cable schedules, loop diagrams, and cause & effect matrices for complete project execution.
DSEAR & ATEX Compliance
Ensuring full compliance with UK DSEAR (Dangerous Substances and Explosive Atmospheres Regulations) and European ATEX Directives for equipment and protective systems in potentially explosive atmospheres.
Hazardous Area Classification
- Zone 0, 1, 2 (Gas/Vapor) classification studies
- Zone 20, 21, 22 (Dust) classification studies
- Area classification drawings and documentation
- Temperature class and equipment group determination
ATEX Equipment Selection
- Category 1, 2, 3 equipment selection
- Equipment Protection Level (EPL) verification
- Type of protection methods (Ex d, Ex e, Ex ia, Ex ib)
- ATEX certification and marking compliance
Protection Concepts
- Intrinsic Safety (Ex ia/ib) design
- Flameproof enclosures (Ex d)
- Increased safety (Ex e)
- Purged & pressurized systems (Ex p)
Engineering Deliverables
1
Instrument Index & Data Sheets
Comprehensive instrument registers, detailed datasheets with process conditions, materials of construction, and ATEX/DSEAR requirements for all instrumentation.
2
Control System Architecture
System architecture drawings, network topology, hardware specifications, I/O assignments, and integration with safety systems (SIS/ESD) for chemical plant operations.
3
Installation & Wiring Details
Instrument installation drawings, hookup details, cable schedules, junction box layouts, and marshalling cabinet designs compliant with hazardous area requirements.
4
Commissioning & Documentation
Loop testing procedures, calibration records, ATEX installation certificates, and as-built documentation ensuring full regulatory compliance and operational readiness.
Process Instrumentation
- Flow measurement (Magnetic, Coriolis, Vortex, DP)
- Pressure & differential pressure transmitters
- Temperature sensors (RTD, Thermocouple)
- Level measurement (Radar, Ultrasonic, Guided wave)
- Analytical instrumentation (pH, conductivity, gas detection)
Control Valves & Actuators
- Control valve sizing and selection
- Actuator specification (pneumatic, electric)
- Valve positioners and accessories
- On/off and modulating control applications
- Emergency shutdown (ESD) valve systems
Safety & Protection Systems
- Emergency shutdown (ESD) systems
- Fire & gas detection systems
- Burner management systems (BMS)
- High integrity pressure protection (HIPPS)
- Process safety interlocks
Discuss Your Instrumentation Requirements
