Title: Tilbakeslagsventil.pdf
3.00 (76,2)130 (178)109.7 (49,4)12 (300)12.75 (323,9)21.00 (533,4)14.28 (362,7)9.93 (252,2)7.27 (184,7)7.62 (193,5)10.62 (269,7)2.75 (69,9)130 (178)151.0 (68,0)BACO.D.D1/2" NPT1/2" NPTEJFFIGURE 1 MODEL CV-1F GROOVED END SWING CHECK VALVES NOMINAL DIMENSIONSCare and Maintenance The TYCO Model CV-1F Grooved End Swing Check Valves must be main- tained and serviced in accordance with this section.Before closing a fire protection system main control valve for maintenance work on the fire protection system that it controls, obtain permission to shut down the affected fire protectionsystem from the proper authorities and notify all personnel who may be affected by this decision.After placing a fire protection system in service, notify the proper authorities and advise those responsible for moni- toring proprietary and/or central station alarms.