What Is a Trailer or Skid-Mounted Centrifuge?

A mobile centrifuge system is a decanter, tricanter or disc stack centrifuge mounted on a trailer, a skid, or inside a custom Sea-Can or CONEX container so it can be moved to a site and run without a permanent building. Sentrimax builds and rents these configurations, choosing trailer, skid or container mounting based on the site’s footprint, power and access.

Three Ways to Mount a Centrifuge for Mobile Use

A centrifuge does not need a permanent building to run. Sentrimax’s Mobilization Solutions capability covers three main approaches to making a decanter, tricanter or disc stack centrifuge deployable: trailer mounting, skid mounting, and custom Sea-Can or CONEX container layouts, each suited to different site conditions and different lengths of deployment.

The underlying centrifuge does not change between these configurations. What changes is the platform it sits on, how it is powered and connected, and how it gets from one location to the next. A plant evaluating a mobile centrifuge is really making two decisions at once: which process the unit needs to run, and which mounting approach fits the site well enough to make that process reliable once the unit is in place.

Trailer-Mounted Units

A trailer-mounted centrifuge system is built onto a road-towable chassis, with the centrifuge, its feed pump, controls and often a polymer system all pre-piped and pre-wired on the same platform. It is the fastest configuration to move between sites because it does not need to be lifted off and back onto a foundation each time; it is positioned, leveled, and connected. This suits work that moves from site to site over a project or a season, or a plant that needs a rental unit on the ground quickly.

Trailer platforms do carry some real constraints. Road-legal dimensions limit how large a centrifuge and its ancillary equipment can be before a second trailer is needed for the balance of the package, and axle weight ratings limit how much total equipment the platform can carry. For a smaller decanter or disc stack unit with modest ancillary needs, this is rarely a limiting factor; for a larger machine with a full polymer system and conveyor, it becomes part of the configuration decision.

Skid-Mounted Units

A skid-mounted system sits on a structural steel base without wheels, moved by crane or forklift rather than towed. Skids are typically chosen when a deployment will run longer at a single location, when the unit needs to tie more tightly into existing site piping and controls, or when the site’s access does not suit a trailer’s dimensions or turning radius. Because a skid is not built around road-towing constraints, it can also accommodate a larger footprint than a trailer platform allows, which matters when the centrifuge, feed pump, polymer system and a solids conveyor all need to sit on the same base.

Custom Sea-Can and CONEX Container Layouts

For sites that need the centrifuge and its supporting equipment fully enclosed, whether for weather protection, noise containment, secondary containment, or security, Sentrimax builds custom layouts inside Sea-Can and CONEX shipping containers. These are engineered per project: the centrifuge, controls, and often a solids conveyor are arranged inside the container envelope to suit the process flow and the access the site can provide.

A container layout also changes how the unit is transported and set. Where a trailer is towed and a skid is craned onto an open pad, a container arrives closed, is craned or forklifted into position, and can be opened for connection and operation once it is set. That sequence suits sites with limited laydown space, restricted access for a crane, or a requirement that equipment be secured when unattended.

Solids Conveyor Integration

Moving separated solids away from the centrifuge discharge is part of the same mobilization problem as moving liquid feed to it. Sentrimax integrates solids conveyors into trailer, skid and container configurations so that dewatered cake is carried directly to a bin, a truck, or a stockpile location instead of accumulating at the discharge chute and requiring manual handling.

Conveyor placement is where trailer, skid and container configurations tend to diverge the most. A trailer’s limited length constrains how long a conveyor run can be built onto the same platform, often meaning the conveyor discharges to a bin positioned alongside the trailer rather than a long run to a distant stockpile. A skid has more room to work with, and a container layout can route a conveyor to an opening built specifically for solids discharge, keeping the handling point separate from the feed and power connections on the opposite side of the unit.

Temporary or Permanent Deployment

The same mounting approaches support both temporary rentals and permanent installations. A trailer or skid unit brought in to cover a repair or a peak-demand period is typically temporary by design, connected, run, and demobilized. The same configurations can also be engineered as a permanent solution where a site has decided a mobile-format unit, rather than a fixed installation, is the right long-term answer, for instance where the process itself may relocate in the future.

• Deployment expected to move between multiple sites: trailer mounting
• Deployment expected to run longer at one location with tighter piping integration: skid mounting
• Weather protection, containment or security required around the unit: Sea-Can or CONEX container
• Solids conveyor needs to be integrated into the same package: confirm run length and discharge point against the chosen platform
• Deployment may become permanent: flag this early so the configuration is engineered accordingly from the start

Renting Versus Mobilizing an Owned Unit

Everything above applies whether the centrifuge is a Sentrimax rental unit or a customer-owned machine being mobilized to a new location. The decision of whether to bring in a rental in the first place is a separate question from how it gets mounted; renting a centrifuge instead of waiting on a repair covers how that decision gets made around process continuity and compliance exposure. A customer-owned unit being relocated for a new project goes through the same mounting decision, since the trailer, skid and container considerations above apply regardless of who owns the centrifuge inside them.

What the Site Needs Before Mobilization

Whichever configuration fits, none of it runs the moment it arrives. Power, footprint, feed and discharge connections, containment, and control integration have to be confirmed before a mobile unit can be brought online. What centrifuge mobilization involves is the site-readiness checklist Sentrimax works through before and during a deployment.

Which Industries Rely on Which Configuration

The choice of configuration tracks the nature of the work as much as the site itself. Environmental services work such as contaminated soil treatment or industrial effluent processing, and dewatering projects like wastewater pond cleanups, are frequently short-duration and move between locations, which favors trailer mounting. Energy and utilities applications such as produced water clarification or drilling mud treatment often run longer at a single well site or facility and need tighter integration with existing process piping, which favors a skid. Municipal water and wastewater sites and food and beverage plants more often need the weather protection, containment or security a container layout provides, particularly where the installation may run for an extended period alongside a permanent facility.

Scoping a Mobile Centrifuge Package

The right configuration depends on how long the unit needs to stay, how it will be moved on and off site, what the process requires for containment, and whether solids handling needs to be integrated into the same package. Describing the process, the timeline, and the site’s access constraints is enough for Sentrimax’s centrifuge rental team to recommend trailer, skid, or container mounting.

Getting the Package Right the First Time

Changing configuration after a unit has already been built is far more disruptive than getting it right during scoping. A trailer package that turns out to need container-level containment, or a skid that turns out to need a longer solids conveyor run than the base was designed for, means rework rather than a simple adjustment. This is why a proper site survey happens before the configuration is finalized, not after, and why a thorough description of the site upfront saves time on the back end. A configuration decision made from an accurate description of the site the first time is nearly always cheaper and faster than one revised midstream after a mismatch turns up on delivery day.

When the Right Answer Is a Mix

Some deployments do not fit neatly into one category. A project that starts with a short trailer deployment and later needs to stay in place for an extended run may be better served switching to a skid partway through, particularly if a longer-term need becomes clear only after the work is underway. Flagging that possibility during the initial scoping conversation, even if it does not change the first configuration chosen, makes any later transition easier to plan for.