球阀门装备的运作A105

Pipeline Ball Valve with gear operated (butterfly valve plug valve) Name: Pipeline ball valveStandards compliance:1) Design & Manufacture: API 6D/API 60B2) Face to face: ANSI B 16.103) End Flange: ANSI B 16.54) Welding Ends:ANSI B 16.255) Inspection & Test: API 6D/API598Construction:Split Body,Full Bore,Trunnion Mounted Ball.Double Seat Design Floating Seats,Double Block & Bleed.Blow-out Proof Stem,Cavity Relieving Seats. Material specifications:a) Body/Cap : A216 WCB ; A351 CF8 ; A351 CF8Mb) Ball/Stem : A105/WCB+HCr ; A351 CF8/304SS ; A351 CF8M/316SSc) Seats : PTFE / PTFE VitonTo select the actuators following conditions should be considered:1. Add 25% safety factors to the required torque.2.Take 2-3 times the torque if the service fluid is not lubrucant