If you are searching for passivation services near you, Paul Industries mobilizes to your facility – we perform on-site, in-place stainless steel passivation and derouging across all 50 states. For a regulated system, “near me” should mean a crew that comes to your plant and passivates in place, to ASTM A967, with documentation.

On-site passivation, wherever you are

Most passivation on installed piping, tanks, and vessels has to happen in place – you cannot ship a welded-in loop out for treatment. We bring the chemistry, equipment, and testing to your site, work around your operations, and leave you with a documented result.

What we bring on-site

  • Citric or nitric passivation to ASTM A967 / A380
  • Rouge identification and derouging of water and clean-steam systems
  • Before/after testing (ferroxyl, water break, copper sulfate) and documentation
  • Crews experienced working inside live GMP facilities

Related: Passivation services · Stainless steel passivation · Passivation testing · Request a quote

Frequently asked questions

Where can I find passivation services near me?

Paul Industries provides passivation services nationwide, mobilizing field crews to facilities in all 50 states for in-situ work and passivating fabricated equipment at its Kilmarnock, Virginia shop. What near me actually means for this work is worth restating, because searching for a local passivation shop is often the wrong search. Loose components can be shipped anywhere and treated in a bath. Installed pipework, vessels and distribution loops cannot be shipped at all, and for those the relevant question is not who is closest but who will bring a crew, heated circulation equipment, chemistry, containment and testing to your plant and work inside your shutdown window. Distance affects mobilization, which is a fixed cost spread across a job measured in days, far less than it affects the result. Wherever you are, call 201-450-8280 to arrange service.

Do you offer local, on-site passivation?

Yes. Rather than shipping equipment out, Paul Industries brings passivation to you, mobilizing crews, chemistry, and testing to your site for in-situ passivation of installed tanks, vessels, and distribution loops in all 50 states. On-site work removes shipping costs that rarely appear in a comparison. Sending a vessel out means disconnecting it, rigging it out of the building, freight both ways, re-setting, re-connecting and re-qualifying, and for welded pipework it means cutting welds that then have to be remade, re-inspected and re-documented. Those steps routinely exceed the passivation cost several times over. They also lengthen the outage, because the system is unavailable for the whole round trip rather than only for the treatment cycle.

How do I get passivation for equipment I can’t ship out?

Large or installed systems are passivated in place. Paul Industries circulates or fills the system with passivating solution, rinses to specified water quality, and tests on site, so nothing has to leave your facility. Whether a system is filled or circulated depends on geometry and volume. Filling is simple and suits vessels and short runs, but on a large loop it needs a great deal of solution and provides no flow, so anything relying on velocity to lift contamination is disadvantaged. Circulation uses far less chemistry, holds temperature more evenly and keeps solution moving through branches and low points, which is why distribution loops are almost always circulated. The constraints are that a temporary pump and heater must be connected, and every branch has to be valved so flow actually reaches it. Call 201-450-8280.

Is there a passivation company that will come to my facility?

Yes. Paul Industries dispatches field crews to customer facilities nationwide for in-situ passivation and re-passivation, bringing the equipment, chemistry, testing, and documentation to your plant instead of requiring you to find a local shop. When comparing a travelling contractor with a local one, the questions that matter are not about distance. Ask who supplies the circulation pump, heater and hoses rated for hot acid, who provides containment for the full rinse volume, who neutralizes and removes the spent solution and under whose permit, who performs acceptance testing and to which ASTM A967 method, and who signs the documentation package. A local shop that immerses parts in a tank may hold none of that capability for in-place work, and proximity is no substitute for it.

How soon can you come do passivation on-site?

Timing depends on scope and scheduling, and shutdown-driven work is planned around your maintenance window. Paul Industries routinely mobilizes crews nationwide; call 201-450-8280 to check availability and coordinate an on-site passivation visit. Realistic lead time for planned in-place work is measured in weeks rather than days, and most of it is not crew scheduling. Acid has to be procured and transported under the applicable regulations, containment and neutralization capacity arranged for the rinse volume, and personnel put through site induction, safety prequalification and sometimes background screening before they can enter the plant. Emergency work moves faster because the scope is narrower, but the same access requirements still apply. Booking passivation at the same time as the mechanical scope, rather than after outage dates are fixed, is what keeps it off the critical path.

Do I need a local passivation shop or can you travel to me?

You do not need a local shop for installed systems. Paul Industries travels to facilities in all 50 states for in-situ passivation. Small components can also be sent to its Virginia shop; both options are available. The dividing line is simply whether the item can be disconnected and moved without destroying something. Loose fittings, valve bodies, small tanks, instrument parts, spool pieces fabricated but not yet installed and machined components all travel well and are better treated in a shop, where full immersion guarantees contact with every surface and temperature is trivial to hold. Anything welded into a system, anything too large for the door, and anything whose removal would break a qualified installation is field work regardless of size.

Can you passivate my WFI loop at my site?

Yes. Paul Industries passivates WFI, purified-water, and RO/DI loops in place at your facility by circulating solution through the installed loop and rinsing to specified quality, then testing and documenting the result on site. A compendial water loop is the most demanding in-place case, because it has to be returned to a validated state rather than merely a clean one. Passivation is therefore the middle of the sequence, not the end. The loop is treated, rinsed to a conductivity endpoint, sanitized, and only then does a sampling campaign begin to demonstrate that chemical and microbiological quality have been re-established at every point of use. Microbiological results carry an incubation period nothing can compress, so the true return-to-service date is set by the laboratory rather than by the crew leaving site.

What areas do you cover for on-site passivation?

All 50 states. Paul Industries fabricates in Kilmarnock, Virginia and mobilizes field crews nationwide for in-situ passivation and re-passivation, so on-site coverage is not limited to a single region. What varies by region is logistics and cost rather than capability. Mobilization distance affects travel and subsistence, which are fixed costs spread across the job, so they matter proportionally more on a one-day scope than on a two-week shutdown. Local discharge rules vary more than most buyers expect and determine whether neutralized effluent can go to sewer under the site pretreatment program or must be collected and hauled, which is a genuine regional cost difference. Site access requirements at federal, university and large corporate facilities also vary and can add weeks to mobilization. Call 201-450-8280.

Can you re-passivate my equipment on-site after a corrosion problem?

Yes. Paul Industries comes to your facility to diagnose corrosion or rouging, clean or de-rouge the surfaces, re-passivate in place, and retest, restoring the passive film without removing the equipment from service location. Diagnosis has to come before chemistry, because three conditions that look similar call for different work. Free iron contamination is surface debris and passivation alone resolves it. Rouge is an iron oxide deposit on an otherwise sound surface and needs derouging first followed by passivation, because removing the oxide also strips the protective film beneath it. Pitting, crevice corrosion and intergranular attack are actual metal loss, and no chemistry restores metal that has gone. A borescope examination before quoting is what separates them, and it routinely saves more than it costs.

Do you handle passivation for small local shops and large plants alike?

Yes. Paul Industries scopes work from single components handled at its shop to large installed systems passivated in place at your plant. The approach is matched to the equipment size and whether it can be moved. Scale changes the method more than it changes the unit price. A handful of components is a shop batch with a single immersion and one set of records. A single installed vessel is a fill or spray operation with a temporary heater. A full distribution loop is a circulation job requiring flow verification through every branch. A whole plant during a shutdown is a sequencing problem, where the binding constraint becomes containment capacity and the order in which systems can be taken offline without halting production entirely.

What should I have ready before an on-site passivation visit?

Have system drawings, materials and alloy information, access and isolation points, and drain and waste-handling provisions identified. Paul Industries reviews these when scoping the job so the on-site passivation runs efficiently. Two further items are worth having ready and are the usual cause of delay on the day. First, the existing documentation: previous passivation certificates, weld maps and any borescope records establish a baseline and often change the scope, because a system last treated three years ago is a different job from one never treated at all. Second, a written answer on waste: the volume the site can accept, the pH window required, and whether discharge to sewer is permitted under the facility pretreatment program or the spent solution must be collected and hauled away. Call 201-450-8280 to plan.

Can you passivate during my facility’s shutdown window?

Yes. On-site passivation is commonly scheduled into shutdowns and turnarounds. Paul Industries plans the work around your window, treating loops and vessels while offline, then testing and documenting before startup. Sequencing within the shutdown matters more than the duration of the treatment itself. Passivation has to follow all mechanical work, because any weld made afterwards destroys the film locally and reopens the problem it was meant to close. It also has to precede sanitization and any qualification sampling. That places it near the end of a shutdown, exactly when the schedule is under most pressure, so the rinse-to-endpoint phase is the one most often squeezed. Compressing it is a false economy: acid left in a dead leg or a low point reappears later as a conductivity excursion or a corroded branch.

Do you bring your own equipment and chemistry to the site?

Yes. Paul Industries mobilizes pumps, tanks, chemistry, rinse-water handling, and testing supplies to your facility for in-situ passivation, so the necessary process is self-contained at your site rather than dependent on local resources. Being self-contained matters because the alternative transfers risk to the site. Using plant water, plant drains, plant pumps or plant power for an acid circulation ties the treatment to systems never designed for it, and a failure part way through leaves hot acid sitting in a process loop. What the site does need to provide is agreed in advance: connection points at fill and drain, isolation that can be proven rather than assumed, electrical supply, a location for containment, and written confirmation of where neutralized effluent may go.

How is on-site passivation different from shop passivation?

Shop passivation immerses parts in a bath; on-site (in-situ) passivation fills or circulates solution through installed equipment that cannot be moved. Paul Industries offers both and chooses based on whether the equipment can leave the facility. The technical differences follow from that. Immersion guarantees every surface is wetted, whereas in-place work has to demonstrate coverage, which is why spray devices are qualified and flow verified through every branch. A bath holds temperature effortlessly, while a large installed system loses heat continuously and needs active heating. A shop rinses into a controlled drain, while a site has to contain, neutralize and dispose of the full volume. And a shop can inspect a part in daylight, while an installed system is inspected by borescope. None of this makes in-place work inferior, but the procedure and the verification are more involved.

How much does on-site passivation near me cost?

Cost depends on system size and volume, alloy, method, cleaning and de-rouging needed, testing, documentation, and mobilization distance. There is no flat rate. Paul Industries scopes each on-site job individually; call 201-450-8280 for a quote. As a planning guide, in-place passivation of a distribution loop commonly runs between six and eighteen dollars per linear foot and vessel interiors between three and nine dollars per square foot, with acceptance testing typically adding five hundred to three thousand five hundred dollars per system and the documentation package eight hundred to four thousand. Mobilization is usually a fixed line rather than a per-mile charge. The largest single variable, and the one buyers most often leave undefined, is the condition of the surface beforehand: a system needing derouging first can cost several times one that does not.

Who do I call for passivation services near me?

Call Paul Industries at 201-450-8280. It provides on-site passivation, re-passivation, and de-rouging at facilities in all 50 states, plus shop passivation at its Virginia location, working to ASTM A967/A380 with documentation. Before calling, three pieces of information will make the first conversation productive and shorten the quote considerably. What the equipment is and what it is made from, ideally with the alloy confirmed from a mill certificate rather than assumed. What the system does and whether it is compendial, since that determines whether qualification work follows. And why passivation is being considered now, because a new installation, a routine interval, a rust finding and an audit observation lead to genuinely different scopes even on identical equipment.

Do you offer passivation services near me?

Yes – Paul Industries provides on-site passivation across all 50 states. We mobilize a crew to your facility rather than requiring you to ship systems out. The one case where shipping still makes sense is a batch of loose components. If the scope is fittings, valve bodies, spool pieces not yet installed or machined parts, immersion in a shop bath is cheaper per item, gives more uniform results and produces cleaner records than treating them individually on site. Many projects end up doing both: components treated in the shop before installation, then the assembled system treated in place after welding, because the welds themselves were never covered by the first treatment and are precisely where the surface needs restoring.

Can you passivate our system in place?

Yes. Installed piping, tanks, and vessels are passivated in place, without teardown, with testing and documentation. In-place treatment does still require the system to be out of service for the full cycle, which is the part most often underestimated. Isolation has to be proven rather than assumed, the system drained and degreased, treated, rinsed to a conductivity endpoint and tested before it returns to service, and on a compendial system sanitization and sampling follow. What is avoided is the far larger disruption of dismantling: cutting welds that must be remade, re-inspected and re-documented, and the requalification of everything downstream that follows a physical modification.

What standard do you passivate to?

ASTM A967 and ASTM A380, verified with water-break, copper sulfate, or ferroxyl testing. Those three checks answer different questions and belong at different points in the job. The water-break test is a pre-treatment check on cleanliness: a properly degreased surface holds an unbroken film of water, while an oily one lets it retract into droplets, and it is the recognized go or no-go before acid is introduced. Copper sulfate and ferroxyl are post-treatment checks for residual free iron, ferroxyl being the more sensitive of the two. Neither post-treatment test says anything about whether the surface was clean to begin with, which is exactly how invisible failures happen.

Do you work in operating facilities?

Yes – our crews routinely passivate inside live, regulated plants. Working inside an operating regulated facility imposes requirements shop work never encounters, and they shape the plan more than the chemistry does. The work runs under the site permit-to-work, lockout and confined space procedures. Isolation from live systems must be demonstrated rather than assumed, because a single passing valve puts acid where nobody expects it. Adjacent production has to be protected from fume and spill. Everything brought in has to be reconciled and removed. And the documentation has to be good enough that the treated system can be returned to a qualified state afterwards, which is the point of the exercise.

Get on-site passivation

Paul Industries is a single-source supplier, installer, and validator – one accountable partner from design through documented startup. Tell us about your project and we will scope it.

Request a Quote

Service needed *

How to choose a passivation service near you

Eight checks separate a contractor who will deliver a qualified passivation scope from one who will deliver a report. Ask all eight, and compare the answers side by side rather than comparing prices.

CriterionWhat a strong answer looks likeWarning sign
Self-performed workNamed in-house scope in the contract, not the capability statement“We manage a network of partners”
Welding qualificationWPS, PQR and ASME Section IX welder records supplied with the bid“Our welders are certified” with nothing attached
ASME BPE demonstratedStates how surface finish, drainability and dead-leg geometry are verifiedClaims compliance without a verification method
PassivationIn-house to ASTM A967 with ASTM A380 pre-clean and a stated verification methodSubcontracted, with a certificate of conformance only
Who corrects a failed testNamed in the contract before work startsHas not considered the question
DocumentationTurnover package described up front, indexed to your IQ checklistAssembled after the fact
CoverageEvery site you operate, same crews and standardsSingle region
MobilizationTravels to your site anywhere in the country“Near me” limited to one metro area

Paul Industries answers all eight in the left-hand column. Nationwide single-source cGMP contractor, 30+ years in FDA-regulated plants, self-performing design, fabrication, orbital welding, installation, passivation and validation support. Call 201-450-8280.

How to choose a passivation service near you?

For in-place passivation, distance is close to irrelevant and the right questions are about method. Which ASTM A967 treatment class is proposed and why it suits your alloy, since a single recipe applied across grades is how a job damages the surface it was meant to protect. How cleanliness is verified before acid is introduced, because a water-break test is the recognized go or no-go and skipping it is how invisible failures happen. How coverage is demonstrated in dead legs and low points. What the rinse endpoint is, expressed as a measured water quality rather than a number of flushes. And who neutralizes and disposes of several thousand gallons of spent solution, under whose permit.