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Custom Process Equipment & Skids
Pharmaceutical & Industrial Process Equipment

Custom Process Equipment & Skids

A process skid mounts vessels, pumps, valves, instruments and pipework on one steel frame, pre-piped and pre-wired and tested in the workshop, so it reaches site as a single unit that is set down and connected.

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Frame-mounted stainless-steel process vessels and piping, a skid-style pilot unit in a workshop yard

Custom Process Equipment & Skids

It suits repeatable, compact duties such as heating, dosing, filtration, cleaning, vacuum and transfer, and it does not suit tall columns, very large vessels or processes that rely on gravity flow between floors. Before a quotation, a buyer should settle the duty, the fluids and their hazards, the pressure and temperature, the material that touches the fluid, the transport route and any crane limit at site, and where the skid must tie into existing pipework, power and utilities. Those points set the frame size, the number of modules and the amount of work left on site. The price follows steel weight, the number of instruments and valves, and the engineering hours spent on drawings, far more than the capacity range shown elsewhere on this page.

The idea is to move assembly from the site to the workshop. A structural steel base carries the equipment in an arrangement that leaves room to reach every valve and instrument, with lifting lugs, a drip tray where fluids may spill and levelling feet or anchor plates for the floor. Pipework is welded or flanged and tested before dispatch, and instruments are wired back to a junction box or a local panel, so site work shrinks to a few process flanges, a utility connection and one cable entry. A skid is a good fit when the duty repeats, when site labour is scarce or the programme is tight, and when equipment can be run and tested on water before it ships. It is a poor fit for tall columns, large vessels that exceed the road or crane limit, and any process that needs gravity drainage. Large duties are split into modules that bolt together on site. Transport shapes the design more than most buyers expect: road width and height, port handling, crane reach and the centre of gravity of each lift are fixed at the drawing stage. The piping and instrument diagram should be agreed before fabrication starts, because a change after that point means cutting and re-testing finished work.

Indicative Capacity Range

  • 0.5–20 m³ working volume

Key Specification Inputs

Design pressure, temperature, MOC, finish, applicable codes.

Technical Specifications

TechnologyModular process package on a structural steel frame, with vessels, pumps, valves, pipework and instruments
DutyDefined by the process: heating, dosing, filtration, cleaning, vacuum, transfer or blending
FrameFabricated steel base with lifting lugs, levelling feet or anchor plates, and a drip tray where fluids may spill
Wetted MaterialStainless steel, carbon steel, or lined or polymer parts, chosen for the fluid and the cleaning chemicals
Design ConditionsPressure and temperature are inputs fixed before the piping diagram is frozen, not outcomes
PipingWelded or flanged, tested before dispatch, with sizes and ratings listed on the tie-in schedule
Instruments and ControlsPressure, temperature, flow and level devices mounted and wired to a local panel or a junction box for the plant system
Size LimitsSet by road width and height, port handling and crane reach; large duties are split into modules joined on site
Site InterfaceFlanged process connections, utility points and a single cable entry, shown on a tie-in schedule
Workshop TestingWater or air run with leak, loop and interlock checks against an acceptance list agreed beforehand
UtilitiesElectric power, compressed air, steam, cooling water or nitrogen, as the duty requires

Typical Process Route

1

Define the Duty and the Interfaces

Write down what the skid must do, the fluids, pressure and temperature, the available utilities and where it must connect. This sets the frame, the module count and the amount of site work.

2

Process Design and Piping Diagram

The piping and instrument diagram fixes every vessel, pump, valve and instrument. It is agreed and frozen before fabrication, because changes after that point reach the workshop as cutting and re-testing.

3

General Arrangement and Transport Check

The layout puts equipment on the frame with access to every valve, instrument and drain, then is checked against the road width, height and weight limits and the site crane.

4

Fabrication and Piping

The frame is welded, equipment is mounted and the pipework is welded or flanged, then pressure or leak tested. Gasket and seal positions are tied to the actual duty of each joint.

5

Wiring and Controls

Instruments and drives are wired back to a junction box or a local panel, labelled, and loop checked. Fewer field terminals mean fewer errors when the skid is connected on site.

6

Workshop Test Before Dispatch

The skid is run on water or air to find leaks, check pump rotation and prove interlock trips. A written acceptance list agreed beforehand keeps this test from turning into a debate.

7

Transport and Lifting

Loose items such as instruments are protected or packed separately, lifting lugs are checked for the load, and large skids travel in modules with their flange faces covered.

8

Site Setting and Tie-in

The skid is lifted onto a level foundation and anchored, then connected to process lines, power and utilities, flushed and commissioned with the plant.

Process & Equipment Modules

  • Structural steel base frame with lifting lugs
  • Drip tray or bunded base
  • Process vessels and tanks
  • Centrifugal or positive-displacement pumps
  • Heat exchanger
  • Valves, strainers and filters
  • Pipework with flanged tie-in connections
  • Pressure, temperature, flow and level instruments
  • Junction box or local control panel
  • Pressure relief devices
  • Access platform and ladder for tall skids

Plant Output

A pre-piped, pre-wired skid ready for site connectionGeneral arrangement and piping drawingsTie-in schedule for pipework, power and utilitiesWorkshop test record

Applications

  • Steam, hot-water or thermal-oil heating skids for jacketed vessels
  • Dosing and transfer skids for solvents, acids and additives
  • Filtration skids on juice, oil and liquid-ingredient lines
  • Clean-in-place skids for tanks and process lines
  • Vacuum and condensing packages for evaporators and dryers
  • Nitrogen blanketing and compressed-air packages
  • Pilot-scale process skids used for trials before a full plant
  • Process-water treatment and make-up skids

Key Features

  • Pre-Piped and Pre-Wired

    Site work is limited to a few process flanges, utility connections and one cable entry, which suits sites with scarce skilled labour or a tight programme.

  • Frame, Drip Tray and Lifting Points

    The base carries lifting lugs and a drip tray or bund, so the skid can be lifted by crane and still contain spills.

  • Transport Limits Built In

    Road width, height, weight and crane reach are set at the drawing stage, and large duties are split into modules that join on site.

  • Maintenance Access on Every Side

    Valves, instruments and drain points stay reachable, which avoids a tight, packed layout that is hard to service for years.

  • Tested Before Dispatch

    Leaks, pump rotation and interlock trips are found in the workshop, where fixing them is quick and cheap.

  • One Tie-in Schedule

    Flange sizes, utility points and cable entries are listed on a single sheet that site civil, piping and electrical teams all work from.

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Frequently Asked Questions

What information is needed to size Custom Process Equipment & Skids?
State the duty, the fluids with their viscosity, solids content and hazards, the flow or working volume, and the design pressure and temperature. Add the utilities available, whether the skid goes indoors or outdoors, the road and port route with any height or weight limit, the crane at site, and whether the skid has its own control panel.
What capacity range does Custom Process Equipment & Skids cover?
The indicative capacity range is 0.5–20 m³ working volume. This is a vessel working-volume range, not a throughput, so state the working volume of each vessel you need, or the batches per day. Say how many hours a day the plant will run.
What suits a skid, and what does not?
Compact, repeatable duties suit a skid: heating, dosing, filtration, cleaning, vacuum and transfer, where equipment can be tested on water in the workshop. Tall columns, very large vessels, processes that rely on gravity between floors and duties that change often are better built on site, because a frame cannot hold them or cannot ship them.
How large can a skid be before it must be split?
The limit is rarely the workshop. It is the road width and height under bridges and power lines, the port or crane that handles it, and the lifting capacity at site. Where a skid passes those limits it is built as modules that bolt together with flanged joints, with a short list of site connections. Check the route before the layout is fixed.
What tie-ins must the site prepare before the skid arrives?
A level, load-bearing foundation with anchor points, utility stubs for power, air, steam or water at the agreed positions, a drain, and clear space for the lift and for later access. Flange size and rating at each connection are agreed on the tie-in schedule. Planning for installation and commissioning early prevents delays at setting and flushing.
Should the control panel be on the skid or in a separate room?
A panel mounted on the skid cuts site wiring and is tested with the skid, which suits clean, protected locations. In a hot, wet or dusty area, or where the duty is hazardous, a panel in a separate room with signals wired to a junction box is safer. The choice affects cable lengths and the enclosure rating, and links to industrial process automation systems.
What can be tested in the workshop, and what cannot?
Leaks, pressure holding, pump rotation, instrument loops and interlock trips can be proved on water or air. Behaviour with the real product, such as viscosity, fouling or foaming, usually cannot. Agree the test list and its acceptance criteria before fabrication, so that passing the test means the same thing to buyer and fabricator.
What happens if the design changes after the piping diagram is frozen?
Each change reaches finished work as cutting, rewelding and re-testing, and it may undo a hazard review done on the earlier drawing. Late changes such as a different valve, nozzle or instrument should be logged and checked against the design, and the diagram should be agreed with the process team before fabrication begins.
How do I request a proposal for Custom Process Equipment & Skids?
Use the Request a Quote page and describe your project. Write a short specification before asking for a quotation: duty, fluids, pressure and temperature, materials, codes, documents required and delivery location.

Enquire about Custom Process Equipment & Skids

Send your raw material, target product and capacity to Kadali Africa Ventures for a technical proposal.

Request a QuoteWhatsApp