Page 177 - Bürkert
P. 177

On-Off Pneumatically Operated 2/2 Way Angle Valve
         for Steam and Gases




      2000  G 1/2” - G 2 1/2”


            •  Flow direction above seat
            •  PPS actuator for hot environments
            •  Optical position indicator is standard
            •  Self adjusting double packing
            •  High flow rates
                                                                      2 (A)
            •  Rotating power head to orient air control
              connections                                             1 (P)




         Bürkert’s classic angle seat valve for steam applications. With this pro-  Envelope Dimensions [mm] (see datasheet for details)
         duct and its longevity is it world wide dependable. These valves with flow
         direction above the seat for steam and gas are equipped with mainte-
         nance-free gland packing.

         Technical Data
          Pressure range        See Ordering Chart
          Temperature media     -10 ºC to +180 ºC
                                        2
          Viscosity             max. 600 mm /s
          Stuffing socket (with silicone grease)  PTFE V-Rings with spring compensation
          Ambient temperature max.
            PA actuator         -10 ºC to +60 ºC                                      Flow
            PPS actuator Ø 40-80  +140 ºC                                             direction
            PPS actuator Ø 100-125  +90 °C
          Body material         Gunmetal or stainless steel 316L
          Seal material         PTFE
          Actuator material     Polyamide or PPS
          Control medium        Instrument air at 6 bar             Size   Actuator  A     B      C      D
          Flow direction        Over seat to minimise actuator size  G 1/2”  50     65     64    140    163
          Safe position         Normally closed
                                                                    G 3/4”   40     75     53    120    147
          Max. pilot pressure
            Actuator size Ø 40-80  PA and PPS   10 bar              G 3/4”   50     75     64    144    171
            Actuator size Ø 100  PA      10 bar                     G 1”     50     90     64    152    181
            Actuator size Ø 100  PPS     7 bar                      G 1”     63     90     80    177    206
            Actuator size Ø 125  PA and PPS   7 bar                 G 1 1/4”  63   110     80    183    219
          Pilot air port        1/4” (Actuator Ø 40 = 1/8”)         G 1 1/2”  63   120     80    188    222
                                                                    G 2”     63    150     80    204    249
                                                                    G 2 1/2”  80   185    101    239    296
         Options
                                                                    G 2 1/2”  100  185    127    287    344
         •  Normally open          •  Feedback switches
         •  Double acting          •  Cleaned for oxygen service
         •  Solenoid pilot valves  •  Stroke limiter
         •  Vacuum version         •  Seal material NBR, FKM, EPDM


















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