Updated Specifications.docx

At minimum, the Liquid Nitrogen Plant must include or be capable of the following:

• Must produce at least 60 liters of liquid nitrogen a day

• Must have a Dewar capacity of at least 210 liters

• Overall foot print must not exceed 6.5 X 6 ft.

• Must be able to work at an altitude of 7500 ft.

• Must have a warranty on all parts and workmanship for three years or 8000 hours

• Must include a filter bank assembly to separate the nitrogen from the air we breathe and produce at a minimum 98% pure nitrogen.

• The filter bank assembly must be easy and affordable to maintain.

• Local operator must be able to perform most routine maintenance on site

• Must include tools, some spare parts and manual for installation and maintenance

• Must include automatic liquid nitrogen level indicator

• Must automatically enter into standby mode when the product dewar is full

• Must include cryogenically insulated extraction line and valve for low loss of liquid nitrogen during transfer

• Must include a helium compress that is air cooled

• High altitude operation

• Must have floor stand for nitrogen generator assembly

• Must include liquid nitrogen plant equipment service kit

• Compliance with 49 CFR Par 178.57- Specification 4L welded insulated cylinders.

• 1 year warranty

• Must be new

• On-site training and installation; in-state (e.g. Colorado) application support