Specification- and Standard-Matched Valve Supply
Last updated: 2026-10
Procurement specifications arrive written in a standard vocabulary: "API 600 Class 300 gate valves", "DIN 3352 F4 PN16", "BS 5163 resilient seated". This service does the matching work: take the governing standard and class in your specification, find the lines in our supply range that are built and tested to it, and quote them — with the standard named on the quotation, not just in our files.
The matching is grounded in the collected specification lines behind this site's catalog: each family page lists the design, testing and face-to-face standards its lines actually cite, and the standards cross-reference maps the ASME/API and EN/DIN/BS vocabularies against each other.
1. Service scope
- Requirement-to-line matching against the standards the catalog cites: API 600/602/603/623/594/6D design lines, API 598 and ISO 5208 testing, ASME B16.34/B16.10 end and rating context, EN 558 and DIN 3202 face-to-face, and the BS series for waterworks and petroleum practice.
- Class and PN shortlisting using the published nominal equivalence — as a shortlist, always confirmed against the pressure–temperature tables for your medium and temperature.
- Edition checking: where your specification calls up a specific edition or supplementary requirements, the quoted line is checked against the governing edition rather than assumed equivalent.
2. Applicable conditions
- You have (or can name) a governing document: a standard with class, a project specification clause, or a data sheet.
- The requirement is valve supply, not third-party certification: matching a line to a standard is quotation work; witness testing and type-approval paperwork are confirmed separately if your spec requires them.
3. Limitations
- Nominal cross-standard pairings (Class 150 ↔ PN16/PN20) are shortlist aids, not unconditional swaps — the final check is the pressure–temperature rating at your operating conditions.
- Where a catalog line's collected data does not state conformance to your cited standard, we say the data is missing rather than assume it.
- Supplementary requirements (backseat details, stalk bearings, special testing scope) can differ between editions — these are verified line-by-line, not inherited from the standard's name.
4. Required inputs
| Input | Detail |
|---|---|
| Governing standard | Standard, class or PN, and edition if your spec pins one — e.g. "API 600, 11th edition, Class 300". |
| Specification clause | If a project spec adds requirements beyond the standard, the clause text or data sheet extract. |
| Standard RFQ fields | Size, count, materials, end connection, medium and temperature, destination country — as for any quotation. |
5. Deliverables
- A quotation naming, for each proposed line: the governing standard and class, the design and testing standards the line cites, and face-to-face dimensions standard.
- Where your requirement spans two vocabularies, the cross-reference reasoning (which pairing was used and why) stated on the quotation.
- An explicit gap statement where no line matches the cited standard.
6. Verified capabilities and unconfirmed boundaries
Capabilities this service can verify today:
- Per-family standards tables on this site, generated from the collected catalogue lines — the matching starts from documented citations, not from memory.
- A published ASME ↔ PN pressure-class cross-reference and API/ISO/DIN/BS correspondence table, maintained with duty-dependent qualifications.
Not yet confirmed for publication — answered at quotation, never estimated:
- Type-approval certificates, witness-test arrangements and third-party inspection can be arranged where your specification requires them — confirmed at quotation.
7. Frequently asked questions
Our spec calls up API 600 but our plant runs metric flanges. Can you handle that?
Yes — this is a normal mixed-vocabulary requirement. The valve design standard and the flange drilling are separate choices; the quotation names both, and the flange drilling is matched to your piping (ASME B16.5 vs EN 1092-1), not inherited from the valve standard.
Can you guarantee the quoted line meets every supplementary requirement of our specification?
The quotation names what the line cites and where your spec adds more, the supplementary clauses are what we verify before confirming — that verification is part of this service. What we do not do is assume a standard name covers the addenda; editions genuinely differ.
We only have a duty description, not a standard. Is this service still for us?
No — that is the valve selection support service, which narrows the duty to type and subtype candidates first. Once a candidate line exists, this service takes over and matches it to the governing standard, class and edition. The two hand over cleanly.
8. Request a quotation
Send the inputs listed in section 4 — duty, standard and class (if any), size and count, materials, end connection and destination — and we reply with the matching line and price.
What happens to your details is described in our privacy notice. Prefer a plain form? Use the contact page.