Caztek Main Valve designed under contract to XCOR Aerospace passes preliminary acceptance testing

Minneapolis, MN 11 May, 2006—The main propellant valve prototype designed and built for XCOR aerospace passed preliminary acceptance testing today. Under contract to XCOR Aerospace, Caztek Inc. designed, analyzed and build a prototype main propellant valve for XCOR's liquid rocket propulsion systems. The valve pair builds on XCOR rocket valve technology and incorporates many key enhancements for reliability. "This is a milestone day for us as the valve performed to expectations and is a step toward production flight hardware." said C. Sienkiewicz of the test results.

Caztek, Inc. is in the business of providing mechanical engineering, CAD design and precision machining services to a variety of industries including the spaceflight, medical device and industrial automation sectors.