Last updated: 12 November 2026.
Direct answer. China's standards registry returns 43 records for 离心泵 (centrifugal pumps): 21 current and 22 abolished. Only one current record is mandatory — GB 19762-2025, the efficiency grades that took effect on 1 March 2026. The three 技术条件 records (GB/T 16907, 5656, 5657) are the ones a buyer normally names.
The registry query below is deliberately narrow. A search on 泵 alone returns 421 records and mixes in vacuum pumps, metering pumps and fire pumps, so every count on this page comes from the 离心泵 query specifically, retrieved on 12 November 2026.
The State Administration for Market Regulation standards portal returns 43 rows for the term 离心泵. Sorting them by state gives a picture that surprises most first-time buyers: slightly more than half of the records are dead.
| State | Records | Of which mandatory |
|---|---|---|
| 现行 (current) | 21 | 1 |
| 废止 (abolished) | 22 | 3 |
| Total | 43 | 4 |
Twenty-two abolished records against twenty-one current ones means a supplier quoting from memory has roughly a fifty-fifty chance of naming a withdrawn document. The 22 abolished rows include four generations of the same specification: GB/T 3215 appears in 1982, 2007 and 2019 form and all three are withdrawn, replaced by GB/T 3215-2025. GB/T 5661 has two withdrawn editions (1985 and 2004) behind the current 2013 text.
Chinese pump procurement leans on a three-tier specification system that has no direct equivalent in a single ISO or DIN number. Each tier is a separate current record, and each is a different depth of requirement.
| Class | Record | Issued | In force | Scope as titled |
|---|---|---|---|---|
| Ⅰ类 | GB/T 16907-2014 | 2014-05-06 | 2014-12-01 | 离心泵技术条件（Ⅰ类） |
| Ⅱ类 | GB/T 5656-2008 | 2008-08-25 | 2009-03-01 | 离心泵 技术条件（Ⅱ类） |
| Ⅲ类 | GB/T 5657-2013 | 2013-12-17 | 2014-10-01 | 离心泵技术条件（Ⅲ类） |
All three are recommended (推荐性) records, none is mandatory. In practice a buyer states the class on the enquiry and the supplier's hydraulic and mechanical guarantees follow that class; the class is not a quality ranking you can read off a price list. The Ⅱ类 text dates from 2008 while Ⅲ类 was revised in 2013 — a small asymmetry that matters if a drawing cites "GB/T 5656 latest version", because the latest version of that particular number is the 2008 text.
Two earlier editions are withdrawn: GB/T 16907-1997 and GB/T 5657-1995. GB/T 5656-1994 is also withdrawn, which makes 2008 the only live Ⅱ类 record.
GB 19762-2025, 离心泵能效限定值及能效等级, is the only mandatory (强制性) record among the 21 current rows. It was issued on 28 February 2025 and took effect on 1 March 2026. Three earlier mandatory texts — GB 19762-2005, GB 19762-2007 and GB 32284-2015 — are all withdrawn.
The distinction matters commercially. Efficiency grades are a market-access condition for the pump as a product, whereas head, flow and efficiency guarantees are contractual matters between buyer and supplier. A quotation that says "meets GB 19762" is making a compliance claim, not a performance claim.
This page does not state any efficiency threshold, grade boundary or test tolerance: those are numeric contents of a paid standard text. The registry confirms the record's existence, number, dates and mandatory status. Read the thresholds from the standard itself or from your supplier's test report.
For an axial-suction end-suction pump, the three records that decide whether a replacement unit bolts onto an existing baseplate are the 16 bar dimensional series. All three are current and all three date from 2013.
The 1985 editions of all three are withdrawn, and GB/T 5661 was revised twice (1985, then 2004) before the current text. A drawing that cites the 1985 baseplate dimensions is describing a pump that has not been standard since the 1990s, even though the model may still be sold.
Note the pressure qualifier in GB/T 5662: 16 bar. The dimensional interchange promise is bounded by that rating, and a 25 bar casing is a different engineering conversation.
Five current records sit around the pump rather than inside it, and each answers a question a buyer eventually asks.
| Record | Title as registered | What it fixes |
|---|---|---|
| GB/T 7021-2019 | 离心泵名词术语 | Terminology, so "efficiency" means one thing in the contract |
| GB/T 18149-2017 | 离心泵、混流泵和轴流泵 水力性能试验规范 精密级 | Precision-grade hydraulic performance test |
| GB/T 13006-2013 | 离心泵、混流泵和轴流泵 汽蚀余量 | NPSH |
| GB/T 13007-2011 | 离心泵 效率 | Efficiency |
| GB/T 13469-2021 | 离心泵、混流泵与轴流泵系统经济运行 | Economic operation of the system, not the unit |
GB/T 13469-2021 is the one buyers most often misapply. It addresses the economic operation of a pumping system, which is a plant-level question about duty point, piping and control — not a statement about the pump's own efficiency at best efficiency point. Two earlier editions (1992 and 2008) are withdrawn.
The 汽蚀余量 and 效率 records were both revised in 2013 and 2011 respectively, replacing 1991 editions. If a Chinese test report quotes "GB/T 13007" without a year, the year is 2011, because that is the only live edition.
GB/T 3215-2025, 石油、石化和天然气工业用离心泵, was issued on 31 December 2025 and took effect on 1 April 2026. Three predecessors are withdrawn: 1982, 2007 and 2019. This is the heaviest technical record in the set and the one most likely to be quoted by a refinery or petrochemical buyer.
Because the 2019 text is withdrawn rather than merely superseded in place, a purchase order that names "GB/T 3215-2019" today names a dead document. The difference in practice is that the 2019 edition is no longer a valid reference for new equipment, and an inspection certificate citing it dates the equipment to that era.
Pumps are the component category where Chinese and Western practice diverge most in documentation rather than in metallurgy. A buyer sourcing from our manufacturing index will usually be pairing a pump with valves, pipe and CNC-machined brackets, so the standards conversation tends to arrive as a bundle.
If you are building a specification package, the GB standards primer explains how GB, GB/T and GB/Z differ in legal weight — the distinction that decides whether a record is a market-access condition or a voluntary reference. For an RFQ, the quote page lists the fields we need before a supplier can answer against a named class.
The registry returns 43 records for 离心泵 as of 12 November 2026: 21 current and 22 abolished. Only one current record is mandatory, GB 19762-2025 on efficiency grades, which took effect on 1 March 2026.
Name the 技术条件 class first. Ⅰ类 is GB/T 16907-2014, Ⅱ类 is GB/T 5656-2008 and Ⅲ类 is GB/T 5657-2013. For an axial-suction unit that must fit an existing baseplate, add GB/T 5660-2013 and GB/T 5661-2013 so the mounting and seal cavity dimensions are contractual.
No. GB/T 3215-2019 is recorded as 废止. GB/T 3215-2025 replaced it, was issued on 31 December 2025 and took effect on 1 April 2026. Purchase orders naming the 2019 text now name a withdrawn document.
No. GB 19762-2025 sets efficiency grades as a product market-access condition. Whether a pump is efficient at your duty point is a system question, and GB/T 13469-2021 addresses the economic operation of the pumping system rather than the unit alone.
The record returns an empty 实施日期. That is a gap in the registry entry as published, not a statement that the guidance document is unused. Confirm the applicable version with the supplier before citing it in a contract.
All sources retrieved 12 November 2026. This page is an independent reading of the sources listed; the official pages themselves are the specification.
| Fact used on this page | Source |
|---|---|
| S1 — 43 records for 离心泵; 21 current, 22 abolished; 4 mandatory in total; state, nature, issue and activation dates for every record listed above | State Administration for Market Regulation, standards registry https://std.samr.gov.cn/gb/search/gbQueryPage?searchText=%E7%A6%BB%E5%BF%83%E6%B3%B5&pageNumber=1&pageSize=50 |
| S2 — GB 19762-2025 issued 2025-02-28, effective 2026-03-01; GB 19762-2005, GB 19762-2007 and GB 32284-2015 recorded as abolished | same registry row set (S1) https://std.samr.gov.cn/gb/search/gbQueryPage?searchText=%E7%A6%BB%E5%BF%83%E6%B3%B5&pageNumber=1&pageSize=50 |
| S3 — GB/T 3215-2025 issued 2025-12-31, effective 2026-04-01; GB/T 3215-1982, -2007 and -2019 recorded as abolished | same registry row set (S1) https://std.samr.gov.cn/gb/search/gbQueryPage?searchText=%E7%A6%BB%E5%BF%83%E6%B3%B5&pageNumber=1&pageSize=50 |
| S4 — GB/Z 32458-2015 issued 2015-12-31 with an empty activation date in the registry | same registry row set (S1) https://std.samr.gov.cn/gb/search/gbQueryPage?searchText=%E7%A6%BB%E5%BF%83%E6%B3%B5&pageNumber=1&pageSize=50 |