Hydrogen Filling Compressors: A Qingdao Maker Ships 45 MPa Units to Croatia's First Commercial Green-Hydrogen Project
A twin-unit, hydraulic-driven piston compressor package rated from 3 MPa inlet to 45 MPa outlet at 2,650 Nm³/h has shipped from Qingdao to Croatia's first commercial green-hydrogen project.
Lead
A hydrogen filling compressor package built by Qingdao Compress Energy Technology Co. (青岛康普锐斯能源科技有限公司) has shipped for Croatia's first commercial green-hydrogen project, Qingdao Broadcasting (青岛市广播电视台) reported on 2 October 2026.
Facts
The shipment. The unit is a hydraulic-driven piston compressor serving a PEM electrolysis-based green-hydrogen project, designed as a twin-unit package with a 3 MPa inlet pressure, a 45 MPa outlet pressure and a displacement of 2,650 Nm³/h. The report describes the high pressure combined with the large displacement as suited to continuous filling duty at a commercial green-hydrogen site. (Source: Qingdao Broadcasting, 2026-10-02.)
The selection. The customer is reported to have examined several Chinese equipment makers before choosing this supplier, citing the maker's installed track record, operating data from the field, equipment performance and its technical and commercial teams. (Source: the same.)
The machine family. The maker's own materials describe its machines as hydraulic-driven piston boosters in which an oil–gas cylinder separation structure with an isolation chamber keeps hydraulic oil out of the hydrogen stream even in the event of a seal failure, and which tolerate frequent start–stop operation without venting. The company states it has developed more than fifty hydrogen compressor models covering 20 to 90 MPa. (Source: the company's own site.)
The maker. Qingdao Compress Energy Technology was founded in October 2017 in Qingdao's West Coast New Area and focuses on hydraulic-driven compression for hydrogen refuelling stations, charging mother stations and integrated production-and-refuelling sites; it states a domestic market share above 30% in its segment. (Source: the same.)
Where this connects on this site
- Where a hydraulic-driven piston machine sits against the diaphragm and reciprocating families at high pressure: Reciprocating or Diaphragm for High-Pressure Hydrogen?
- Why the pressure at the electrolyser's outlet sets the compression duty in the first place: Compressing Green Hydrogen: The Pressure the Electrolyser Does Not Deliver
- The selector: gascompressorselect.com
Sources
| # | Fact | Source |
|---|---|---|
| 1 | The shipment to Croatia's first commercial green-hydrogen project; the twin-unit hydraulic-driven piston compressor serving a PEM electrolysis source; 3 MPa inlet / 45 MPa outlet; 2,650 Nm³/h displacement; the customer's evaluation of several Chinese makers and the stated selection reasons | 青岛市广播电视台（蓝睛）, 2026-10-02 — https://lanjingshare.qtvnews.com/share-html/lanjing/share/newsDetailsLj.html?id=16693628 |
| 2 | The machine family description: oil–gas cylinder separation with an isolation chamber; frequent start–stop without venting; more than fifty models covering 20–90 MPa; the company founded October 2017 in Qingdao West Coast New Area; the stated domestic market share above 30% | 青岛康普锐斯能源科技有限公司官网（关于我们） — http://www.qdcet.cn/Aboutus.html |
Note on sourcing. This item reports a broadcaster's account of an export shipment and the manufacturer's own description of its machines. We record the verifiable layer — the destination project, the pressures and the displacement as published. Company-stated advantages and market-share figures are reported as the company's own claims, and we do not rank or recommend suppliers.
What the source does not state
The reports do not state the project's name or owner in Croatia, the contract value, the number of units covered beyond the shipped package, the commissioning date, the certification basis the units were built to, or measured figures for hydrogen purity and energy consumption at the site.
Update note
This item is a dated record of a publicly reported shipment. We append corrections rather than rewrite history; corrections are marked Correction with the date.