Rubber Seals

We are specialist manufacturer of battery seals for one of the leading hitech manufacturers of batteries to Indian Air Force, Navy and Army. Our customer could win the title of 'Preferred supplier' from the defence authorities because of our timely supply of quality products.Moulded with EPDM rubber having good resilience properties.Vent seal shall positively open in the range of 3-6 psi when there is an increase in the internal pressure of the cell and shall close immediately below the opening pressure when there is a decrease in the internal pressure of the cell.The vent seal is opened and closed for 25 cycles in a chamber maintained at temp of 55+/- 3 deg C. And for 5 cycles at room temp , called as 1 unit.Vent seal is tested for 7 units . minimum time between consecutive cycles (rest period) is 60 sec and minimum time between consecutive unit is 30min.The vent seal is kept in chamber maintained at 75 deg C for 72 hrs under pressure such that it is kept in open and is tested for opening and closing for 5 cycles at room temp.We can manufacture rubber parts like Grommets, Seals, O rings etc., to NASA standards