MOV CHOKES - cedip

MOV POSITIVEMost Willis MOV chokes havethe capability of being fieldconverted from the standard rotatingdisc design to a positive configuration.Conversely, positive chokesmay be field converted to adjustablerotating discs when desired.Removal of beans requires nospecial tools and each bean ismarked in 64th of an inch for easyidentification.In-Line Positive ChokesIn-line positive chokes areavailable for either standard serviceor high temperature applications.Standard chokes are constructed withO-ring seals and are recommendedfor temperatures less than 225°F.High temperature positive chokes arefurnished with spiral-wound flexitallicgaskets and are designed fortemperatures to 750°F. Servicing isa simple matter of loosening thehub flange bolts, then removingenough bolts to allow pulling andreplacement of beans.SD24748M2 Positive Choke Parts ListKey Description Qty.No.1 Body 12 Bonnet 13 Seat* 14 Bean Insert* 15 O-Ring, Seat* 16 O-Ring, Bean* 17 O-Ring, Bonnet* 18 O-Ring, Bonnet* 19 O-Ring, Bonnet* 1SD24747*Recommended spare parts for 1 year operation.In-Line Positive ChokeSize Standard Connections Max. Max. Bean MaterialC.W.P. Bean2” 1” female threaded 5000 psi 74/64s Either stainless steel or tungsten carbide in sizes2” male threaded up to 66/64s. All larger orifice sizes come in1” or 2” buttweld stainless steel.3” 3” buttweld 6000 psi 128/64s4” 4” buttweld 5000 psi 176/64s23