Nord stone

Utility Skids – Factory-Integrated Industrial Systems

Plug-and-play solutions for process reliability, energy optimization, and plant uptime

Industrial Utility Skids - Factory Integrated Systems

Introduction

Utility systems are the lifeline of any industrial facility—supporting process reliability, asset efficiency, energy optimization, and plant uptime.

NORDSTONE. delivers factory-integrated, plug-and-play utility skids engineered for continuous duty, low maintenance, automation-ready control, and compliance with ASME / API / IEC / ISO / ATEX / NACE standards.

Complete Engineering Package

Each skid is completely engineered with:

  • Detailed P&IDs & Process Simulations (Aspen HYSYS/EES)
  • Mechanical Design per ASME Sec VIII Div 1/2
  • Structural frames per AISC/IS Standards
  • Electrical, Instrumentation & PLC/SCADA Automation
  • Thermal, hydraulic & energy-balance calculations
  • Complete FAT/SAT testing protocols

These skids provide reliable, efficient utility services essential for industrial operations across power generation, petrochemicals, manufacturing, and processing facilities.

Utility Skid Systems Portfolio

1

Air Compressor Skid

System Overview:

Pre-engineered skid integrating compressor, air receiver, filtration, dryers, valves, MCC/PLC, and safety systems.

Technical Features:
  • • Oil-injected / Oil-free Screw Compressors
  • • Reciprocating Compressors for high-pressure demand
  • • Variable Speed Drive (VSD) energy optimization
  • • ASME-coded air receiver with safety valves & gauges
  • • Inline oil-removal, particulate & coalescing filtration
  • • Vibration analysis for compressor foundation stability
Performance:
  • • Flow: 50 – 5000 Nm³/hr
  • • Pressure: 7 – 30 bar
  • • Class 0 Oil-Free Air (optional)
2

Refrigeration / Chiller Skid

Application:

Process cooling, HVAC, chemical plants, food processing, plastics, and power systems.

Components:
  • • Scroll / Screw / Centrifugal chiller
  • • Shell & Tube or PHE evaporator
  • • Condenser (air-cooled/water-cooled)
  • • Glycol circulation pumps
  • • PLC with temperature sequencing
Features:
  • • Low-temperature glycol (-10°C to -40°C)
  • • High COP (Coefficient of Performance)
  • • Heat recovery for energy efficiency
3

Hot Water Generation Skid

System Design:

Packaged skid for industrial hot water supply using steam, electricity, oil/gas burners, or waste heat recovery.

Technical Capabilities:
  • • High-efficiency heat exchanger (S&T or PHE)
  • • Temperature control via modulating valve
  • • Recirculation pumps with VFD
  • • Buffer tank with insulation and safety valves
Performance:
  • • Temperature: 40°C – 95°C
  • • Flow: 2 – 200 m³/hr
4

Steam Generation Skid

Applications:

Process steam, heating, sterilization, autoclaves, chemical plants, and refineries.

Engineering Scope:
  • • Coil-type or Shell-type steam generator
  • • Diesel/LPG/Natural Gas-fired burner
  • • Feedwater tank with level control
  • • Deaerator or chemical dosing integration
Enhanced Features:
  • • Low NOₓ burners
  • • Blowdown automation
  • • TDS & conductivity control
  • • Energy-efficient economizer integration
5

HVAC AHU/FCU Dosing Skid

Purpose:

Dosing for HVAC chilled-water, condenser-water, or AHU/FCU loops.

System Includes:
  • • Chemical dosing tanks
  • • Metering pumps (API 675)
  • • Flowmeter & dosing accuracy loop
  • • Control panel with PLC
Technical Advantages:
  • • Closed-loop automation with water quality feedback
  • • 316L wetted parts for corrosion resistance
6

Expansion Tank Skid

Application:

Absorbing thermal expansion in chilled water, hot water or closed-loop hydronic systems.

Engineering Details:
  • • Bladder/diaphragm-type expansion tank
  • • Pump skid with automatic makeup water
  • • Pressure control system with relief valves
  • • Air separator for micro-bubble removal
7

Cooling Water Skid

Application:

Industrial process cooling—continuous coolant supply for machinery and reactors.

System Integration:
  • • Cooling water pumps (Duty/Standby)
  • • Plate/Shell & Tube exchanger
  • • Strainers & Y-filters
  • • Flow and temperature monitoring
Performance Metrics:
  • • Flow: 10 – 2500 m³/hr
  • • ΔT customizable for industry needs
8

RO Water Skid

System Components:
  • • Multi-stage filtration
  • • High-pressure RO pump
  • • Membrane arrays (4040 / 8040 series)
  • • CIP (Cleaning in Place) system
  • • PLC with TDS monitoring
Capabilities:
  • • Recovery: 50–75%
  • • TDS Output: < 10 ppm
  • • Multi-pass RO option
9

Softener Skid

Design Scope:

Ion-exchange based hardness removal for boilers, cooling towers & process streams.

Technical Setup:
  • • FRP/MSRL vessels
  • • Cation resin bed
  • • Brine tank with auto regeneration
Engineering Features:
  • • Hardness < 5 ppm
  • • Regeneration with minimal brine wastage
10

Deaerator Skid

Application:

High-purity boiler feed water preparation.

Design Components:
  • • Tray-type or Spray-type deaerator
  • • Storage tank with steam sparging
  • • Feedwater pump & recirculation loop
Engineering Excellence:
  • • Dissolved oxygen < 7 ppb
  • • Integration with economizer & condensate return
11

Compressed Air Dryer Skid

Technologies:
  • • Refrigeration dryer
  • • Desiccant dryer (heatless/heated)
  • • Membrane dryer
Technical Features:
  • • Dew point: +3°C to –40°C
  • • Multi-stage filtration
  • • Purge optimization system
12

Nitrogen Distribution Skid

Application:

Distribution and pressure control of nitrogen generated from PSA/Membrane system.

Skid Features:
  • • Header manifold system
  • • Pressure control valves
  • • Safety relief & emergency shutdown
  • • Dew point analyzers
13

Pressure Reducing Skid

System Purpose:

Pressure & flow control for natural gas distribution, CGD networks, industrial burners, boilers.

Engineering Composition:
  • • Slam-shut valve for over-pressure protection
  • • Active & monitor regulators (fail-safe)
  • • Pre-heater to prevent hydrate formation
Performance Range:
  • • Inlet: up to 70 bar
  • • Outlet: 0.1 – 6 bar
14

Condensate Recovery Skid

Application:

Returning hot condensate from steam systems to boiler feedwater.

Engineering Components:
  • • Condensate receiver
  • • Transfer pumps
  • • Flash steam recovery
  • • Level & pressure automation
Efficiency Benefits:
  • • Reduced fuel consumption
  • • Lower make-up water requirement
  • • Heat recovery optimization

Key Engineering Features

⚙️

Factory Integrated & Tested

  • • Pre-assembled and pre-wired
  • • Complete Factory Acceptance Testing (FAT)
  • • Site Acceptance Testing (SAT) protocols
  • • Reduced field installation time
⚡

Energy Optimization

  • • Variable Frequency Drives (VFD)
  • • Heat recovery systems
  • • Energy-efficient component selection
  • • Thermal, hydraulic & energy-balance calculations
🛡️

Safety & Compliance

  • • ASME/API/PED certified components
  • • ATEX/NACE compliance
  • • Safety instrumented systems
  • • Emergency shutdown systems
🤖

Advanced Automation

  • • PLC/SCADA control systems
  • • Remote monitoring capability
  • • Predictive maintenance features
  • • Process Simulations (Aspen HYSYS/EES)

Applications Across Industries

Power Generation
  • • Compressed air systems
  • • Deaerator systems
  • • Cooling water systems
Petrochemical & Refining
  • • Nitrogen distribution
  • • Steam generation
  • • Water treatment systems
Manufacturing
  • • Chiller systems
  • • Hot water generation
  • • Chemical dosing systems
Food & Pharmaceutical
  • • RO water systems
  • • Pure steam generation
  • • HVAC dosing systems

Design & Engineering Excellence

Process Design

  • • Aspen HYSYS process simulation
  • • Detailed P&ID development
  • • Hydraulic & thermal calculations

Mechanical Design

  • • ASME Section VIII compliance
  • • AISC structural design
  • • Vibration analysis

Automation & Control

  • • PLC/SCADA system design
  • • Instrumentation selection
  • • Safety interlocks & alarms

Quality Assurance & Testing

All Utility Skids undergo rigorous QA/QC procedures:

Factory Testing
  • • Complete FAT protocols
  • • Hydrostatic pressure testing
  • • Functional loop checking
Compliance & Certification
  • • ASME, API, PED compliance
  • • CE, ATEX certification
  • • ISO 9001 quality system
Documentation
  • • Complete as-built drawings
  • • O&M manuals
  • • Material certification
Third-Party Inspection
  • • TUV, Lloyds, BV
  • • DNV, SGS
  • • Customer witness testing

Why Choose NORDSTONE.?

  • • Complete Engineering: Detailed P&IDs, simulations, mechanical design
  • • Factory Integration: Reduced site installation time
  • • Energy Optimization: VFD drives & heat recovery systems
  • • International Standards: ASME/API/IEC/ISO/ATEX/NACE compliance
  • • Advanced Automation: PLC/SCADA with remote monitoring
  • • Proven Expertise: Comprehensive utility skid portfolio
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