NEE Propane & Natural Gas Equipment Catalogue

CANADA’S LEADER IN ENERGY PRODUCTS EQUIPMENT PUMPS, COMPRESSORS & MOTORS VACUUM PURGE PUMPS Gast Manufacturing Vacuum Purge Pumps Built to withstand the most rugged operating conditions with corrosion-resistant materials used for critical internal parts. Ring design provides consistent flows throughout the service life of the unit. All models are motor mounted, thermally protected with high torque start, provide an oil-less operation & offer long service-free life. Vacuum purging is an approved method in the B149 code and is intended to remove the moisture contained in air from new cylinders. The vacuum pumps are not approved or designed to be used to purge LPG vapours.  They are designed to remove air only.  Larger Corken or Blackmer compressors are designed to for use with LPG liquid and vapour removal but will not evacuate a container to a vacuum. When using a vacuum pump to purge the air from a new cylinder, the addition of methanol as outlined in the B149.2 (below) is still required in order to properly prepare the container for use. Per CSA B149.2-10 Section 4.2: “ A rule of thumb for removing moisture in a container calls for the introduction of at least 1 pint (0.6 L) of genuine absolute anhydrous methanol (99.85% pure) for each 100 gal (450 L) of water capacity of the container. Substitutes shall not be used; they will not work. The secret of the superior effectiveness of methanol, compared to all other alcohols, is that it has high affinity for water and has a boiling point lower than all other alcohols and, most importantly, lower than water. To be effective, the methanol shall come in contact with the water. Rotating the container so that the entire interior surface of the container has been wetted by the methanol will speed up the absorption process. If the container is not rotated, it will take about a week for the methanol to absorb the moisture. In either case, the resulting solution of methanol and water shall be drained before the container is put into service.” NEE # Description 1VAF-10-M100X Single Cylinder Purge Pump, 1/6 HP, 1.80 cfm open motor, 27-1/2” Hg- maximum vacuum. 4VCF-10-M450X Dual Cylinder Purge Pump, 1/2 HP, 5.0 cfm open motor, 27-1/2” Hg- maximum vacuum. Repair Kit NEE # Description K264 Repair Kit for 1VAF-10-M100X 1VAF Model

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