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https://www.milvent.com/m40-Battery-Pack-Vents.html#_pp=2_331Battery Pack Ex-proof VavleThread: M40x1.5Waterproof, IP66, IP67,IP68,IP69KBreatherableApplication:E-car Battery Pack ex-proof Vavle· Pr... In automotive application conditions,requires a robust and material can resist more than 96 hour Salt Spray to 720... Milvent Venting+Valve protects the battery packAllow release of excess pressure within the full EV battery pack enclosur... How to select appropriate O-ringIn the market, there are three kinds of typical material for o-ring:NBR, VMQ(SILICONE), ... |