Nancy Shang | Founder and CEO, Micet Craft | Updated: July 2026

Choosing a brewery equipment manufacturer is a seven-figure decision compounded over 20 years. The vessel spec matters less than who fabricated it, whose weld shop produced it, and whether the vendor’s service network can reach the cellar six years after commissioning. This is the checklist procurement teams use before signing.

Why Manufacturer Selection Fails More Often Than Equipment Fails

Most brewery equipment complaints reaching insurance claims and litigation aren’t about design flaws. They’re about vendor choice.

The failure pattern is consistent: welds pass factory testing but crack in year three when thermal cycling reveals inconsistent heat-affected zones. Jacket zones cool unevenly because coverage was cut to hit a bid price. Spare parts take eight weeks to source because the manufacturer keeps no inventory. When the cellar calls for a fitting drawing, the sales contact has left the company and no one else has the CAD file.

None of this shows up in an RFQ response. All of it shows up 24–72 months after commissioning, when it becomes procurement’s problem to explain.

A mature manufacturer selection process front-loads the diligence. Factory audit, weld inspection, certification verification, FAT and SAT protocols, and service coverage documentation all get completed before the PO is signed — not after the shipment arrives.

The Nine-Point Manufacturer Audit Checklist

The framework below covers what procurement should verify before committing to a vendor. Each item has a defensible pass/fail criterion, not a subjective judgment.

1. Factory infrastructure and manufacturing capability
2. Weld quality and interior finish specifications
3. Jacket coverage and cooling zone configuration
4. Certification documentation and third-party verification
5. Factory Acceptance Test (FAT) protocol
6. Site Acceptance Test (SAT) and installation support
7. After-sales service and spare parts coverage
8. Global installation footprint and reference site access
9. Documentation package completeness

Each is expanded below with the specific evidence procurement should request during vendor evaluation.

Factory Infrastructure & Manufacturing Capability

The first check is physical: does a factory actually exist, and does its capability match the vendor’s marketing claims.

What to verify:

• Factory footprint (workshop square meters, production areas dedicated to fabrication, finishing, and assembly)
• Machinery inventory (laser cutting, plasma cutting, TIG welding stations, polishing lines, hydrostatic test equipment)
• Engineering team size and technical qualification (years of specific brewing equipment experience, not general fabrication)
• Design capability (CAD, CFD for jacket flow modeling, 3D BIM for cellar layout planning)
• Annual production capacity against current order book (a manufacturer running at 95% capacity ships late)
• QA/QC documentation processes and inspector qualification

How to verify:

Micet Craft’s factory operates on a 10,000 square meter footprint with an in-house engineering team specializing in brewery equipment fabrication. These are the numbers procurement should be able to verify against any vendor’s claims through independent factory audit — not just the numbers themselves, but the physical evidence backing them.

Compared to broker-model vendors who subcontract fabrication to third-party workshops without disclosure, an owned-and-operated factory provides traceable process control across every batch. Ask any vendor whether they own the factory where equipment is fabricated. If the answer is “we work with several factories,” treat that as a broker relationship and adjust risk assessment accordingly.

Weld Quality & Interior Finish

Weld quality is where most long-term equipment failures originate. A pressure vessel welded with inconsistent heat-affected zone control will pass factory hydrostatic testing and fail in year four under thermal cycling.

Required specifications for wetted surfaces:

• 100% TIG (Tungsten Inert Gas) welding on all interior seams
• Pickling and passivation after welding to restore the chromium oxide passive layer
• Interior finish polished to Ra ≤ 0.6 μm on wetted surfaces
• Exterior finish 2B or #4 brushed as specified

How procurement can verify:

• Request welding procedure specifications (WPS) documenting parameters
• Request welder qualification records (typically ISO 9606 or ASME BPVC Section IX)
• Request interior surface roughness inspection reports with Ra measurements at multiple points
• Request photos of completed interior seams under proper lighting
• Ask for a factory-witnessed weld sample from a similar vessel

A vendor unwilling to share weld procedure documentation should be treated as a red flag. Mature manufacturers document their weld process because doing so is standard quality control, not proprietary information.

Jacket Coverage & Cooling Zone Configuration

Jacket design determines whether the tank can hold target fermentation temperatures without hot spots. Marketing photos rarely show what’s actually welded on beneath the cladding.

Coverage specifications procurement should confirm:

• Cylindrical jacket coverage: at least 60% of shell height on the cylindrical section
• Cone jacket coverage: required for tanks running lager or extended maturation cycles
• Zone count: minimum two zones on the cylindrical section for any commercial tank; three zones (including cone) for lager production
• Dimple pattern spacing and depth for turbulent flow verification

How to verify:

• Request CAD drawings showing jacket outline against shell dimensions
• Request photos of jacket welding in progress, not just the finished exterior cladding
• Ask for pressure test records specifically for the jacket cavity, separate from vessel shell test
• Request glycol flow rate calculations for the specified cooling load

Jackets that stop at the tang line (the point where shell meets cone) without cone coverage will underperform on lager cycles. Photos of the exterior cladding cannot show whether the jacket extends to the cone. Request the interior drawings.

Certification Documentation & Third-Party Verification

Certification review is where procurement separates mature manufacturers from vendors who have printed a CE label without third-party validation.

Certificate types to request from any vendor:

1. PED (Pressure Equipment Directive 2014/68/EU) certificate for pressurized vessels, issued by a notified body — not self-declared
2. Machinery Directive (2006/42/EC) attestation for machinery components (fillers, conveyors, PLC-controlled systems)
3. EMC Directive (2014/30/EU) compliance for electrical control systems
4. Material traceability certificates per EN 10204 (typically 3.1 inspection certificates matching heat numbers to test reports)
5. Welding procedure records (WPS and welder qualifications)
6. Pressure test records with signed inspector documentation
7. Interior surface roughness inspection with Ra measurements

Example of a mature manufacturer’s certification package:

The Micet Craft documentation package includes third-party verification across the Machinery Directive, Pressure Equipment Directive, and EMC Directive domains:

• PED Verification 3N231110.SICS093 — Ente Certificazione Macchine Srl (valid to November 2028), covering Brewing/Beer/Brewery Equipment and Pressure Vessels under PED 2014/68/EU with EN 1626:2008 as the applied standard
• Verification of Conformity ICR/VC/HM2507146 — ICR Co., Ltd. (valid to July 2030), covering Brewery Equipment, Fermentation Equipment, and Pressure Vessel scope under PED 2014/68/EU with EN 1626:2008 and EN 10204:2004
• Machinery Directive & EMC Attestation M.2025.206.C131636 — UDEM (valid to December 2030), covering Filling Machines and Automatic Filling Line under 2006/42/EC and 2014/30/EU
• CE PED Report UAC231101SIC01PED — UAC Quality Technology Service Limited, covering Brewing/Beer/Brewery Equipment and Pressure Vessels
• CE MD Report XDH40255041120802FAR — BST Testing (Shenzhen), covering Filling Machines under 2006/42/EC with EN ISO 12100:2010 and EN 60204-1:2018

Red flag. Vendors offering only a self-declared EC Declaration of Conformity without third-party verification for pressurized equipment. Self-declaration is legally valid only for equipment outside PED Category I; anything higher requires notified body involvement.

How to verify authenticity. The certificate number and issuing body appear on the certificate. Notified body websites (Ente Certificazione Macchine at entecerma.it, ICR Co., Ltd. at icrqa.com, UDEM at udem.com.tr) maintain databases where certificate numbers can be independently confirmed. If a vendor’s certificate number does not appear in the issuing body’s database, treat the certificate as suspect.

Factory Acceptance Test (FAT) Protocol

FAT is the buyer’s opportunity to verify equipment before it leaves the manufacturer. A mature vendor has a written FAT protocol with defined pass/fail criteria.

A proper FAT protocol includes:

• Visual inspection of all wetted surfaces (interior finish, weld quality, absence of surface defects)
• Dimensional verification against approved GA drawings
• Hydrostatic pressure test at 1.5× working pressure with signed inspector documentation
• Jacket pressure test independent of shell
• CIP spray ball coverage test with wet-check dye
• Fittings function test (valves, PRV, vacuum relief, sample ports, sight glass)
• Control panel and PLC function test for automated systems
• Documentation package handover: WPS, material certificates, pressure test records, calibration certificates

Buyer’s rights during FAT:

• Physical attendance at the factory during testing, or witnessed testing via video with signed documentation
• Right to reject vessels failing any FAT criterion, with rework at manufacturer’s cost
• Right to request rework and re-test for any defect
• Signed FAT completion report before shipment authorization

Vendors who resist independent FAT witness — either in-person or through third-party inspection agencies — should be treated as high-risk. The FAT step exists specifically to catch defects before ocean freight commits the buyer to accepting rework at destination, which is dramatically more expensive than rework at the factory.

Site Acceptance Test & Installation Support

Once equipment arrives on site, SAT verifies it survived transit and integrates correctly with the buyer’s utilities.

A proper SAT includes:

• Post-transit visual inspection for shipping damage
• Utility connection verification (steam, glycol, electrical, water, drain)
• Wet commissioning with clean-water CIP cycles
• First-batch verification with the buyer’s recipe
• Operator training on control systems and CIP procedures
• Handover of as-built drawings, spare parts inventory, and maintenance schedule

Installation support to confirm before PO signature:

• Manufacturer-dispatched technicians for on-site installation, or documented partnership with local installation contractors
• Bilingual installation manuals (buyer’s local language plus English minimum)
• Layout drawings sized for the buyer’s actual cellar floor plan
• Utility calculations sized to the buyer’s building infrastructure
• Training program scope and duration (typically 3–5 days on-site for a commercial fermentation cellar)

Manufacturers without documented installation support offer equipment on a “ex-works, good luck” basis. This shifts commissioning risk entirely onto the buyer’s team, which is rarely equipped to execute it without external help.

After-Sales Service & Spare Parts Coverage

Equipment service life spans 15–25 years. The manufacturer selected today needs to remain reachable for parts and support across that entire horizon.

After-sales elements to verify:

• Response time SLA for service inquiries (72 hours or better for most cases)
• Spare parts inventory documentation (which parts stocked, which parts on-demand)
• Local service partner network in the buyer’s region
• Remote monitoring capability for PLC-controlled systems
• Preventive maintenance schedule and support pricing

Micet Craft’s after-sales infrastructure includes regional sales representatives distributed across multiple countries and service centers in France, Australia, Canada, Argentina, and Chile. Confirmed sales agents and distributors operate in Canada, USA, UK, France, Georgia, Italy, South Africa, India, Argentina, and Chile. For procurement teams evaluating vendors from a specific region, the presence or absence of a local representative determines actual response time. A manufacturer 12 time zones away with no regional presence will not deliver 72-hour response no matter what the sales pitch claims.

Global Installation Footprint as Vendor Maturity Signal

Vendor maturity signals show up in the install base. A manufacturer with 20 installations concentrated in one country carries different risk exposure than one operating across dozens of markets.

What the install base tells procurement:

• Geographic diversity: markets served across different regulatory regimes indicate the vendor has produced documentation for multiple import contexts (EU PED, US ASME, AU AS 1210, Canadian CRN)
• Application diversity: installations across beer, wine, cider, kombucha, and distillery equipment indicate broader engineering competence than a single-vertical vendor
• Reference site availability: mature vendors can name specific delivered installations in the buyer’s region and provide reference letters
• Case study depth: quantified customer outcomes (production increases, batch consistency data, ROI figures) rather than just marketing photos

Micet Craft’s install base spans over 100 countries across breweries, wineries, distilleries, kombucha producers, and stainless tank projects. This is the type of geographic and application spread procurement should look for as evidence of vendor maturity — not the specific headline number, but the pattern of distributed installations across multiple regulatory regimes and product types.

How to verify install base claims:

• Request the vendor’s installation map or country list
• Ask for reference customers in your specific region willing to be contacted
• Request case studies with quantified customer outcomes (production data, ROI, downtime metrics), not just photos
• Cross-check reference sites via public web presence (LinkedIn, industry press, local business registrations)

Red Flags in Manufacturer Selection

Four patterns show up in vendors that will cause procurement problems within 24–36 months:

Self-declared CE without third-party verification. For any pressurized equipment above PED Category I, a self-declared EC Declaration of Conformity alone is insufficient. Notified body involvement is required by law and by EU customs at the port of entry.

Factory visit refused or repeatedly delayed. A vendor who cannot accommodate a factory audit within 4–6 weeks is either not the actual manufacturer (broker model) or has capacity issues that will affect the buyer’s project. Neither is acceptable for a seven-figure purchase.

Lead time under 30 days for new fabrication. A vessel takes time. Shell rolling, cone forming, jacket welding, pickling and passivation, mirror polishing, hydrostatic testing — these steps have physical minimum durations. Quotes promising “30-day delivery” for custom commercial fermentation tanks either use pre-fabricated stock (buyer inherits someone else’s rejected batch) or skip QC steps entirely.

Sales rep unable to answer technical questions. A sales team that must “check with engineering” for basic questions on jacket coverage or weld standards signals that the sales-to-engineering handoff will fail during the project. Procurement should expect direct engineering contact from RFQ through delivery.

The general principle: manufacturer failures don’t show up in the RFQ response. They show up in the missing documentation, the deflected questions, and the refusal to allow independent verification.

FAQ

Q: How many manufacturers should we shortlist during vendor evaluation? 

A: Three to five for detailed evaluation. More than five stretches procurement resources without adding decision quality. Fewer than three eliminates negotiation leverage and comparison data.

Q: How long should manufacturer selection take? 

A: 60–90 days from RFQ issuance to PO signature for a commercial brewery build. Compressed timelines below 45 days typically skip factory audit or FAT protocol, both of which are the highest-leverage risk mitigations in the process.

Q: What’s the difference between a manufacturer and a broker in brewery equipment sales? 

A: A manufacturer owns and operates the factory where equipment is fabricated. A broker sources from third-party factories and resells under their own brand. Brokers can be legitimate, but procurement should require disclosure of the actual fabricator and independent factory audit access before signing.

Q: What certificate should we prioritize verifying first? 

A: The PED (Pressure Equipment Directive 2014/68/EU) certificate for any pressurized vessel destined for EU markets. Verify the certificate number, issuing body, and validity window against the notified body’s public database. This single verification eliminates the highest-risk vendor category (self-declared CE only).

Q: Should the manufacturer’s engineering team attend site installation? 

A: For turnkey brewery projects, yes. For fermentation cellar expansions on an existing site, either manufacturer-dispatched technicians or documented partnership with local installation contractors familiar with the equipment. Ex-works delivery without installation support is high-risk for buyers without in-house cellar engineering capability.

Q: What documentation should be included with equipment shipment? 

A: PED Declaration of Conformity, third-party verification certificates, EN 10204 material traceability (3.1 or 3.2 inspection certificates), pressure test records, welding procedure records, welder qualification certificates, interior surface roughness inspection reports, CE marking documentation, GA drawings, P&ID drawings, and O&M manuals in the buyer’s language.

Q: How do we verify a manufacturer’s install base claims? 

A: Request the country list of delivered installations, then ask for 3–5 reference customers in your specific region willing to be contacted. Cross-check via LinkedIn and industry press. Vendors unable to name specific installations or reference customers in your region often have less real install base than marketing suggests.

Q: What’s a reasonable payment schedule for commercial brewery equipment procurement?

 A: Industry practice varies by country and vendor terms, but a typical structure is 30% deposit at PO, 60% before shipment (against Bill of Lading and FAT completion), and 10% after SAT completion and buyer sign-off. Vendors demanding 100% upfront or 90% pre-shipment shift risk unreasonably onto the buyer.

Q: Should we buy from multiple manufacturers to reduce risk? 

A: For a first brewery build, single-source procurement simplifies engineering integration and warranty claims. For expansion projects with an established cellar, dual-sourcing on tanks (different fermenter batches from different vendors) can reduce concentration risk but adds coordination complexity. The right answer depends on the buyer’s project management capability and warranty tracking overhead.

Q: What questions should the first RFQ include beyond specifications? 

A: Factory address and corporate registration, actual fabricator identity (owned vs subcontracted), third-party certificate numbers with issuing bodies, standard FAT protocol document, sample WPS and welder qualifications, reference customer list in buyer’s region, spare parts inventory documentation, and payment schedule terms. Vendors unable to answer these basic questions in the first RFQ round rarely improve later in the process.