Page 56 - C.B.Trading-Avcon Ecatalogue
P. 56

Control Valves







                                     5112A/B-NC / 5122A/B-NO 2-Way



      2-Way Pneumatic On-Off & Screwed End Control

      Valves With Multispring Diaphragm Actuator.
      (Normally Closed or Normally Open Design)








              Specifications

       Size:                               15 mm (1/2”) to 25 mm (1”).


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


       Design Standard:                    As per ASME B 16.34


       Seat:                               Screwed type replaceable.

       Face to Face :                      As per DIN-3202. Part 4 Series M-10

       Body Bonnet Material :              WCB (DIN 1.0619 GS-C 25). SS-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


       End Connection:                       Standard - NPT   Optional - BSPT / BSP.

       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


       Range ability:                        Equal Percentage 30:1 Linear 50:1.

       Body Packing:                       Cr. Ni Foil coated with graphite


       Fluids:                             Air, Water, Mild Corrosive Chemical, Vaccum
                                           (10-3 Torr), Steam, Gasm etc





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