1/4" Safety Valve Type T-2 As Per Clwdrg No. 0/3/65/63 Alt-2, Component Partno. J70929/16. Each Unit Should B%U0415Emboss/Engraved With Maker'S Name, Month, Year & Bat Ch No. Of Manufacturing At A Conspicuous Place. [ Warranty Period: 30 Months After The Date O F Delivery ] ]