Search This Supplers Products:Ball ValveFloating Ball ValveTrunnion Ball ValveTop Entry Ball Valve3-Way Ball ValveWelded Ball Valve
When the trunnion ball valve be used normally,its sealed by seat and ball surface,seat retainer sealed by O-ring and body,this is soft sealed and reliable sealing . When the seat and O-ring are burnt,the seat retainer and body will be sealed by expanded graphite.Thus act anti-fire safepurpose .
网络文化经营许可证:浙网文[2013]0268-027号|增值电信业务经营许可证:浙B2-20080224-1 2007-2025 Tradevv.com. All rights reserved.