Hitachi Sullair DSP 30 7 Bar 165CFM

Hitachi Sullair DSP 30 7 Bar 165CFM is built for reliability with a two‑stage air end that uses stainless steel rotors and a PTFE‑free rotor coating, paired with an internally coated rotor housing to deliver long life and high efficiency. At 7 bar, it delivers about 165 CFM (4.7 m3/min) of dry, oil‑free air, making it ideal for demanding industrial applications.

The patented high pre‑cooler design (air‑cooled) places the stainless steel pre‑cooler before the aftercooler to prevent thermal fatigue and boost overall reliability and durability in continuous operation.

A motorized isolation valve (MIV) is located at the compressed air discharge to prevent moisture migration into the package when the DSP is not running, opening with the motor and closing when it stops to guard against downstream humidity.

The Oil Mist Remover removes 99.99% of oil mist from the gearcase while maintaining negative pressure, helping reduce gearcase top‑offs and keeping the production environment cleaner.

Capacity control options include a fixed speed spool‑type pneumatic control designed for high durability (up to 1 million cycles/year) and a variable speed drive that provides two‑speed reduction with efficient turndown, minimizing power use at unload without inlet losses.

Powertrain features Hitachi IE3 TEFC IP55 motors (30 kW), VSD fan motors on DSP22–120, Hitachi inverters, and a standard phase monitor for reliable operation and protection.

The DSP series carries a 3‑year package warranty when continuously serviced with genuine DSP parts.