Isi Marked Multi Stage Gas Regulator Acetylene With Stainless Steel Diaphra Gm At First Stage And Neoprene Rubber Diaphragm At Second Stage With Bigger Plenum C Hamber 1.5 1St Stage To 2Nd Stage Ratio To Ensure Stability Of Pressure Of 1.5 Bar At Outl Et To Is-6901/2009 (Second Revision) [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]