supply of pressure regulators for gas cylinders use in welding, cutting & related processes to be cutting & related processes,pressure regulators for gas cylinders use in welding, cutting & related processes to be cutting & related processes,,pressure regulators for gas cylinders use in welding, cutting & related proc esses to be cutting & related processes, to be use with gas: acetyllene, no. of stages in regulators: two, pressure gauges fitted: 2, outlet valve: fitted.specification: pressure re gulators for gas cylinders use in welding, cutting & related processes conforming to is: 6901/1988 with amendment no. 1 & 2. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]