Page 54 - C.B.Trading-Avcon Ecatalogue
P. 54

Control Valves







                                              7912A/WCBF 2-Way



      2-Way Pneumatic on-off & Control Valves with
      Multispring Diaphragm Actuator.(Normally

      Closed Design) For Thermic Fluid Application









              Specifications


       Size:                               15 mm (½”) to 150mm (6”)

       Pressure Rating:                    As per ANSI Cl. 150, Cl.300, PN 16 & PN 25


       Design Standard:                    As per ASME B16.34.


       Seat:                               Screwed type replaceable.

       Face to Face :                      As per DIN 3202. Part I Series F1


       Body Bonnet Material :              WCB (DIN 1.0619 GS-C 25).SG Iron-IS 1865 Grade SG
                                           400/15A, CF8 & CF8M

       Spindle:                              SS 316/410 Ground, Burnished and Hard Chromed.

       Hex. Nuts:                          ASTM A 194 Gr. 2H


       Seat ring material:                  SS AISI 420/316.


       Pressure chambers:                  Steel pressing to IS 513CRCD

       Temperature:                        -20°C to + 80°C

       Max. Pres. over::                  Upto 4 bar.

       Spindle:                            Guided through a PTFE bearing, leakage prevented
                                           by Synthetic seal, protected by rubber bellow


       Unified Flanges:                     As per ANSI Cl. 150/300 and PN 16.

       Body Packing:                       Cr. Ni Foil coated with graphite


       Fluids:                             Hot Thermic Fluid, Hot water, Mild Corrosive
                                           Chemical Vacuum (10-3 Torr), Hot Steam etc.




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