VARIVENT® double seat valve R

Type REL-DN50/DN50-SZ-BD/BLR50-V1-32N/52 Type +INA.0000M Basic valve type (R) Double seat valve with balancer Body combination (E) 2W-2W Addition to valve type (L) Lift actuator with spray nozzle Nominal diameter standard top/centre DN Nominal diameter top/centre 50.0 Nominal diameter standard bottom DN Nominal diameter bottom 50.0 Actuator type (S) Air / spring (standard) Rest position (Z) Closed Control air pressure min. 6.0 bar Product pressure housing top max. 5.0 bar Product pressure housing bottom max. 5.0 bar Pressure surge up to 30 bar Drive type Drive BD Lift drive type Lift drive BLR50 Valve seat design (V_) Welded seat ring Angle between connections 1 and 3 (_1) 90° Seal material (3) HNBR (FDA) *********** ATTENTION: HNBR does not meet the requirements of Regulation 1935/2004 EC. The requirements of FDA guidelines 21 CFR Part 177.2600 and 21 CFR 177.1550 are met. ************ Surface finish Housing (2) inside Ra 0.8 μm, outside matt Connection fittings (N) Weld end Nameplate (52) Adhesive label Ex version without Material in contact with media 1.4404 (AISI 316L) Feedback location (INA) Initiator mount M12x1 Connection head (-) Without connection head Number of feedbacks 0 Switch type (0) Without feedback Cable/air connection (M) Metric / 6_4 mm