coldheads

Gifford McMahon Cryocoolers

The Coolstar range comprises some of the most versatile and cost-effective Gifford McMahon (GM) Cryocoolers available today, offering fast cooling, long service intervals and easy OEM integration.

The Coolstar range is ideal for  a range of different applications, which may include cooling for High-Temperature Superconducting (HTS) magnets, custom cryostat design and Low-Noise Amplifiers (LNA) for radioastronomy. We are particularly proud that we are currently involved at the design stage of the Square Kilometre Array (SKA), an international US$1.9 billion project to build the world’s largest radio telescope. Over the next 10 years, thousands of antennae will be built in South Africa with, potentially, up to 6 of our cryocoolers on each dish.

Single stage coldhead
Single stage coldheads

The Coolstar single stage coldheads comprise the 0/12 and 0/40 models, respectively delivery cooling powers of 12 and 40 W at 77 K. 

coldheads
Two stage coldheads

The Coolstar two stage coldheads comprise the 2/9 and 6/30 models, both delivering base temperatures as low as 10 K.

K450
K450 helium compressors

The K450 compressor delivers compressed helium to the Coolstar coldhead and controls coldhead motor speed for optimised performance.