A useful PEM electrolyzer OEM RFQ gives suppliers one clear, controlled requirement to answer. It should explain the application, required duty, equipment boundary and evidence expected at handover. This reduces missing information and makes technical deviations visible before commercial comparison.
Use this worksheet for a stack integration or a complete hydrogen generator enquiry. For the first product choice, compare PEM stacks with integrated PEM systems.
1. State what is being purchased
Identify whether the project needs a bare stack, a stack module, an integrated generator or a larger equipment package. Describe the buyer’s own engineering and assembly scope. If the boundary is undecided, request clearly separated alternatives rather than calling every option turnkey.
Include the application, installation country, intended user and development stage. Distinguish a feasibility discussion, a prototype order and a planned production series; each needs a different level of configuration certainty.
2. Attach a structured technical brief
| Section | Information to supply | What the supplier should return |
|---|---|---|
| Hydrogen duty | Required output, reference conditions, gas quality and pressure | Proposed duty and any deviations |
| Operating profile | Load range, hours, starts, standby and expected project life | Operating limits and support assumptions |
| Utilities and environment | Electrical supply, water, cooling, ambient and location | Model-specific utility and site requirements |
| Interfaces | Mechanical envelope, gas/water fittings, DC or AC boundary, controls | Interface drawings and responsibility list |
| Equipment boundary | Included items, buyer-supplied equipment and optional scope | Itemised supply and exclusion list |
| Verification | Acceptance criteria, witness points and documentation | Proposed tests, records and delivery stages |
| Commercial basis | Prototype/series quantities, destination and target schedule | Quotation validity, schedule and commercial scope |
3. Separate mandatory requirements from preferences
Label each requirement as mandatory, preferred or open for supplier proposal. Give every line an identifier and revision. When a supplier proposes a different pressure, communication interface or enclosure, ask for a written deviation against the relevant line.
Do not use an undefined phrase such as industrial grade as an acceptance criterion. Translate the need into a measurable requirement, a specified document or a defined review task.
4. Ask for an answer that can be compared
Request the proposed configuration, technical compliance table, equipment list, exclusions, utility needs, interface documents and acceptance approach. Keep development work, recurring unit supply and optional services separate in the quotation.
For detailed follow-up, use the technical supplier interview questions. That interview closes gaps in an offer; it does not replace the buyer’s initial RFQ.
5. Control clarification and release
Maintain one clarification register with an owner and due date for each open item. Issue the same revised requirement to every bidder when the project changes. Before ordering, incorporate accepted deviations, agreed drawings, supply boundaries and acceptance criteria into the controlled purchase specification.
Review the prototype and handover milestones if custom development is involved. A quotation is not a substitute for a completed design or an agreed project acceptance plan.
Send an OEM RFQ with the essential inputs
Provide your company, application, destination, equipment type, required output and gas specification, operating profile, utilities, interfaces, prototype and series quantities, required documents and schedule. State which requirements remain provisional.
Published by Hele Titanium Hydrogen. Updated 17 October 2026. Available configurations, development scope and delivery commitments are subject to project review.
