supply of pneumatically operated grease pump , pneumatically operated grease pump to groz model no: bgrp 50 or schumak model no: pgp 50 or ats elgi model no: ah4/50 with following technical specifications: 1. tank capacity:50kg, 2. pressure ratio 50:1 , 3. output of grease @ 8.5 kg/cm2 air pressure, is 300-400 grams. 4. working pr range of air 10 .5kg/cm2. 5. recommended working pressure of air : 4.5 to 8.5 kg/cm2, 6. normal blocked pressure at 8.5k g/cm2:425 kg/cm2, air requirement(fad) 7. all grades wire braided 2.2 mtr long hose id of hose: 6mm with gun. make: groz/schumak/ats elgi only. [ warranty period: 18 months after the date of delivery ] ]