Combine Automation & Power Engineering
Market Leaders in Industrial Automation Solutions
Two Decades of Engineering Excellence
For over 20 years, CAP Engineering Co. has been a trusted name in industrial automation, built on the expertise of our engineers and technicians. We bring diversified hands‑on experience in instrumentation, automation, and control engineering to every project — installing, calibrating, inspecting, and commissioning instruments and automation systems directly on‑site.
We adapt to evolving industrial demands while staying rooted in innovation and dependable service. As an ISO 9001:2008 certified company, our commitment to quality is embedded in every panel we design, every loop we check, and every system we commission.
What We Can Do
- Installation & commissioning of DCS panels, LT panels, and control panels
- Installation & commissioning of all field instruments
- Testing & calibration of all field instruments
- Installation & commissioning of PLC control systems
- Troubleshooting of control panels & field instruments
- Troubleshooting of control systems
- Complete turnkey solutions
- Integration from single instruments to large-scale projects
Our Services
Conceptual Engineering
Feasibility studies, scope definition, and front‑end engineering design for automation projects.
Detailed Designing of Control Systems
Panel engineering, I/O lists, wiring schematics, and control logic development for DCS/PLC systems.
Project Management
End‑to‑end coordination from procurement and scheduling to installation and final handover.
Commissioning & Maintenance
On‑site loop checking, cold/hot commissioning, calibration, and ongoing maintenance support.
LT Panel
Low‑tension electrical panel assembly, testing, and integration for motor control and power distribution.
Instrumentation & Process Control
Selection, installation, and tuning of field instruments and control valves for process loops.
Industries We Serve
Oil & Gas
Upstream and downstream process automation for refineries, wellheads, and pipeline stations.
Petrochemicals
Control and safety instrumented systems for chemical processing and polymer plants.
Ethanol Distilleries
Fermentation, distillation, and evaporation control for fuel‑ethanol and potable alcohol production.
Paper & Board Mill
Drive coordination, quality monitoring, and process optimisation for paper machines.
Textile
Dyeing, finishing, and process control automation for integrated textile mills.
Sugar Industry
Boiler, turbine, and evaporation station control for sugar mills.
Cement
Kiln, cooler, raw mill, and packing plant automation for cement manufacturing.
Power Plants
DCS integration, burner management, and balance‑of‑plant control for thermal and CCPP plants.
Food & Beverages
Batch processing, CIP, and packaging line automation for food and beverage facilities.
Pharmaceutical
Sterile process control, cleanroom instrumentation, and validation support for pharma plants.
Products & Systems
Distributed Control System (DCS)
Our DCS solutions are built on a fault‑tolerant hardware framework with redundant power supplies, I/O, and controller modules. The architecture uses a high‑speed MNet/SNet/CNet network for deterministic real‑time control and seamless operator interaction.
PLC, HMI & SCADA
CAP Engineering designs and commissions PLC, HMI, and custom SCADA systems for critical plant operations. The screens below are from real operating installations — each one is a case study of plant‑monitoring software developed in‑house.
Controllers, Flow Totalizers, Signal Isolators & Panel Meters
Process Indicator
Universal Signal Converter
PID Temperature Controllers
Large LED Display Indicators
Multi-function Panel Meter
AT Series Converter
Pressure Transmitters
Compact Pressure Transmitter
Widely used in water plants, refineries, sewage treatment plants, building materials, light industry, and machinery for liquid, gas, and vapor pressure measurement.
- Accuracy: 0.1%, 0.25%, 0.5%
- Ingress protection: IP65
Intelligent Pressure Transmitter
Same broad application range as the compact version, with integrated digital communication and enhanced diagnostics.
- Accuracy: 0.1%, 0.25%, 0.5%
- Ingress protection: IP65
Smart Differential Pressure Transmitter
Measures differential pressure with high precision, ideal for flow and level applications in demanding environments.
- Accuracy: 0.075%, 0.1%, 0.2%
- Ingress protection: IP67
All Stainless Steel Bourdon Tube Pressure Gauge
Watertight casing, dry or liquid-filled execution. Sizes: NS 63/100/150/200/250. Range: -1 to 1000 bar.
Diaphragm Pressure Gauge
Watertight casing; the diaphragm, under process fluid pressure, acts directly on the movement. Ideal for highly viscous, crystallizable, or solidifiable fluids.
- NS 100 – 150
- Ranges: -16 mbar to 25 bar
Independent Diaphragm Differential Pressure Gauge
DP 360 model. Scale angle 270°. Accuracy class 1.6.
- Ranges: 100 mbar to 25 bar
- Static pressure: 100 bar
Level Measurement
Integrated Ultrasonic Level Gauge
Ultrasound above 20kHz offers good directivity and penetration for concentrated sound energy, enabling non-contact level measurement.
- Pipe diameter: 5–15 m
- Accuracy: 0.2%
- Ingress protection: IP65
Split Ultrasonic Level Gauge
Transducer installs above the measured object, emitting and receiving reflected sound wave signals for accurate distance and level calculation.
- Pipe diameter: 1–40 m
- Accuracy: 1%
- Ingress protection: IP65
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Low-Frequency Radar Level Gauge
6 GHz intelligent radar for non-contact continuous measurement of liquid, slurry, granular, or block material levels; suited to large temperature/pressure swings and environments with inert gases or volatilization.
Magnetic Flap Level Gauge
Mechanical level gauge that determines liquid level by the position of a magnetic flap, providing a direct, visual indication of tank contents.
Double Flange Level DP Transmitter
Measures liquid level differential pressure via double-flange connection, suited for applications needing higher connection strength and greater pressure tolerance.
Single Flange Level DP Transmitter
Measures differential level pressure via flange connection for convenient installation on level containers, converting differential pressure to a standard electrical signal for remote monitoring.
Temperature Measurement
Temperature Transmitter
Widely used across petroleum, chemical, power plants, breweries, pharmaceutical, cement, textile, food, environmental monitoring, boiler, and rubber industries.
Thermal Resistance / Thermocouple (RTD)
Measures temperature via the property that resistance changes with temperature; used in fields requiring high accuracy and stability such as industrial process control, lab research, and temperature calibration.
Expansion Thermometers
Inert gas filling. Sensitive bulb rigidly connected to the casing (local) or by capillary (distance reading). Watertight casing.
- NS 100 and 150
- Indication ranges: -80 to +600 °C
Bimetal Thermometers
Rigid or every‑angle stem. Watertight stainless steel casing.
- NS 80 – 100 – 125 – 150
- Indication ranges: -50 to +600 °C
Glass Thermometers
TV 424. Painted aluminium watertight rectangular casing. Adjustable or rigid stem.
- Ranges: -30 to +600 °C
Thermowells
Fabricated from pipe or bar stock; threaded or flanged connections.
- AISI 316L stainless steel or special materials
Flow Meters
Electromagnetic Flowmeter
Measures the flow rate of electrically conductive fluids, including liquids with a wide range of conductivity, such as water, wastewater, acids, bases, and slurries.
- Pipe diameter: DN10-DN2000
- Accuracy: 0.5%; 1.0%
- Range Ratio: 1:20
- Ingress protection: IP65; IP68
Coriolis Mass Flowmeter
High precision flow and density measuring instrument developed according to the principle of Coriolis force and MVD™ technology (multi-variable digital processing).
Liquid Turbine Flowmeter
A new generation of turbine flowmeter with the characteristics of simple structure, lightness, high precision, good reproducibility, and sensitive response.
- Pipe diameter: DN4-DN200
- Accuracy: 1.5%; 2.5%
- Range Ratio: 1:10; 1:15; 1:20
- Ingress protection: IP65
Metal Tube Float Flowmeter
A common flow measurement device used to measure the flow of liquids and gases by observing the position of the float in the pipe.
- Pipe diameter: DN10-DN100
- Accuracy: 1.5%; 2.5%
- Range Ratio: 10:1; 5:1
- Ingress protection: IP65
Vortex Flowmeter
Works on the principle of generated vortex and relation between vortex and flow by theory of Karman and Strouhal. Specializes in measurement of steam, gas, and liquid of lower viscosity.
- Pipe diameter: DN15-DN1000
- Accuracy: 1.0% (liquid); 1.5% (gas)
- Range Ratio: 1:10; 1:15; 1:20
- Ingress protection: IP65
Ultrasonic Flowmeter
The flow measurement of various liquids can be completed by simply sticking it on the surface of the pipeline. It realizes true non-destructive installation.
- Pipe diameter: DN15-DN6000
- Accuracy: 1.0%
- Range Ratio: 1:20
- Ingress protection: IP65; IP68
Target Flowmeter
Applies a new strain sensor to the target flowmeter so that the traditional target flowmeter has a significant improvement in structure and performance.
- Pipe diameter: DN15-DN1500
- Accuracy: 0.5%; 1%; 2.5%
- Ingress protection: IP65
Ultrasonic Water Meter
An advanced alternative to traditional mechanical water meters, using the principle of no contact and no moving parts for measurement, with high precision and long life.
Thermal Gas Mass Flowmeter
Used in the field of process control. It does not need temperature and pressure compensation, and directly measures the mass flow of the fluid.
- Pipe diameter: DN6-DN4000
- Accuracy: 1.5%; 2.5%
- Range Ratio: 1:1000
- Ingress protection: IP65
Control Valves
Lenor Actuated & Manual Valve SolutionsButterfly Valves
Triple Offset Butterfly Valve
PTFE Lining Butterfly Valve
EPDM Lining Butterfly Valve
Gate Valves
Parallel Double Gate Valve
Penetration Gate Valve
Slurry Knife Gate Valve
Globe Valves
Cage Control Valve
Single-Seat Regulating Valve
Fluorine-Lined Control Valve
Proximity Sensors
Proximity Sensor – Model A
Inductive cylindrical sensor with metal housing and LED status indicator, ideal for harsh industrial environments.
- Sensing distance: 2–15 mm
- Output: PNP/NPN, NO/NC
- IP67 rated
Proximity Sensor – Model B
Capacitive sensor for non‑metallic materials, adjustable sensitivity, robust stainless steel body.
- Sensing distance: 1–10 mm
- Output: NAMUR, 2‑wire DC
- Flush and non‑flush mountable
Variable Frequency Drives (VFD)
Variable Frequency Drive – CD580 Series
High power density; a single unit can reach 500 kW at 380 V, and up to 630 kW at 690 V.
- Max power: 500 kW (380 V) / 630 kW (690 V)
- Compact high‑performance design
Variable Frequency Drive – CD680 Series
Strong anti‑interference ability; designed with anti‑moisture, dust, and corrosion protection. Single‑unit power up to 500 kW.
- Max power: 500 kW
- Environmental protection: IP54 rated
Panels
LV Panel (SLV Series)
Fully modular design for easy assembly and reconfiguration. Indoor use, protection IP 31 to IP 55. Framework in 2 mm galvanized steel, doors 1.5 mm; all surfaces electrostatically powder‑coated against corrosion. Available as empty enclosure or fully wired (distribution, control, isolation, compensation, medical isolation).
- Protection: IP 31 – IP 55
- Material: 2 mm galvanized steel
- Configurations: distribution, control, compensation, etc.
Neutral Grounding Resistor (NGR) Panel
Combines generator phases to create a neutral point, then connects it to ground via a resistor. Limits fault current to protect the generator, enables relay detection, and dampens transient overvoltages. Suitable for generators up to 17.5 kV, currents up to 5000 A. Corrosion‑resistant stainless steel; spring‑wound, edge‑wound, or grid resistor elements. IP3X rated, forced‑air‑cooled cabinet. Compliant with IEC 62271‑200.
- Voltage: up to 17.5 kV
- Current: up to 5000 A
- Protection: IP3X
- Resistor: modular, stainless steel, high permeability
Electric Motors
YPT Series – High‑Voltage Variable Frequency Motors
High‑voltage variable frequency speed‑regulating motors with efficiency close to international standards. Protection IP44 / IP54; available in outdoor (W) and outdoor anti‑corrosion (WF) variants. Uses a frequency converter as power supply, reducing equipment costs and energy consumption.
- Voltage: up to 690 V
- Protection: IP44 / IP54
- Applications: pumps, fans, compressors
YE2 Series – High‑Efficiency Three‑Phase Motors
Complies with GB 18613‑2012 energy efficiency grade 3. Fully enclosed, self‑ventilated, squirrel‑cage design. Protection IP55, insulation class F, temperature rise class B. Interchangeable with Y/Y2/Y3/YX3 series.
- Efficiency: IE2 (Grade 3)
- Protection: IP55
- Applications: machine tools, pumps, fans, compressors
YE3 Series – Premium Efficiency Three‑Phase Motors
Complies with GB 18613‑2012 energy efficiency grade 2 (energy‑saving evaluation value). Same robust construction as YE2 with higher efficiency. Protection IP55, insulation class F, temperature rise class B.
- Efficiency: IE3 (Grade 2)
- Protection: IP55
- Applications: general industrial machinery, compressors, pumps
Circuit Breakers
Moulded Case Circuit Breaker
Compact design for low‑voltage distribution, providing overload and short‑circuit protection.
- Rated current: 16–1250 A
- Breaking capacity: up to 100 kA
- 3 and 4‑pole options
Miniature Circuit Breaker
Thermal‑magnetic protection for branch circuits and final distribution in commercial and industrial installations.
- Rated current: 1–63 A
- Breaking capacity: 6–10 kA
- Single and multi‑pole
Air Circuit Breaker
High‑current main device for power distribution, with microprocessor‑based protection and remote control.
- Rated current: 630–6300 A
- Breaking capacity: up to 150 kA
- Draw‑out and fixed versions
Our Technology Partners
UWNTEK
DCS hardware and control system technology partner.
Lenor
Control valve partner, supplying pneumatic and actuated valve solutions.
ADTEK
Partner for panel meters, controllers, and flow totalizers.
Field Instrumentation & Control Valves
Products sourced from internationally recognised manufacturers:
Quality & Certifications
CAP Engineering Co. is an ISO 9001:2008 certified company, adhering to rigorous quality management standards across all our engineering and field services.
Contact Us
Head Office — Lahore
70‑J1 Sunflower Society, M.A. Johar Town, Lahore
Tel: 042‑35315187
Fax: 042‑35315188
Karachi Office
Office# SF 55, 2nd Floor, Saima Square One Mall, Stadium Road, Gulshan‑e‑Jamal, Karachi
Cell: 0300‑4012382 / 0300‑8097149