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Company news2026-10-14

Zhejiang Kaydrill passes ISO 9001 quality management recertification

In October 2026 Zhejiang Kaydrill Machinery passed its ISO 9001 recertification audit for the assembly of screw air compressors, with the new certificate valid until October 2029.

Maintenance2026-10-12

Low air flow or high-temperature shutdown? Troubleshoot in this order

Low air flow, pressure that won't build, high-temperature alarms, oil at the air filter, an engine that won't fire — most compressor faults can be traced by users. Causes and the order to check them.

Maintenance2026-10-11

How often should a portable compressor be serviced? What to know when doing it yourself

Portable compressors are serviced by running hours, and routine filter and oil changes can be done by your own staff. Service intervals, wear parts, shutdown and storage — and when to call the manufacturer.

Applications2026-10-10

Why compressors lose power at altitude — and won't start in winter

At 2,000 m a compressor delivers about 15% less air, and severe cold makes starting difficult. Here is why, and what to do when selecting and operating your unit.

Comparisons2026-10-09

Electric or diesel portable compressor? Do the sums and the answer is clear

For the same air flow, an electric compressor can save a large share of the yearly energy bill. We compare cost, maintenance and suitable sites for both, and explain why hydropower projects use electric units.

Selection2026-10-08

How to choose a portable air compressor: work out pressure and air flow first

Choosing a compressor comes down to two numbers: pressure and air flow. Here is how to calculate both, when to choose single- or two-stage, how much margin to leave — with a complete water-well example.

Company news2026-06-20

KayDrill launches the DMT Series high-flow portable compressors

Tunnel air demand rises and falls as drilling, shotcreting and mucking alternate. KayDrill's new DMT Series, built for tunnels, municipal networks and plant air, uses a permanent-magnet variable-speed drive to deliver exactly the air needed.

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