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    • Prisma Instruments & Gauge Bourdon France is a company specialising in industrial process instrumentation and control.

    Prisma Instruments & Gauge Bourdon
    89 rue du Vallat
    contact@prismainstruments.com

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    Orifice Plate Assemblies with RTJ Holder

     

    Spécifications
     

     

    Design
         		Conforms to ISA RP 3.2 , DIN 1952 , BS 1042, ISO-5167

     
    Types
         		Square edge concentric, Quadrant edged, Conical entrance, Eccentric, Segmental

     
    Plate material
         		SS304 , SS316 , SS316L as standard. Hastelloy-C , Monel , PP , PVC , PTFE coated , etc. can be given on request.

     
    Orifice Bore
         		In accordance with ISO-5167, BS-1042, ASME MFC 3M, R.W.Miller, L.K.Spink, AGA-3

     
    Tab Plate
         		In the same material as plate & is welded to orifice plate. Tab plate integral to the Orifice plate (i.e. without welding) can also be offered as a special case.

     
    Vent / Drain
         		Vent or Drain holes are provided as per customer's requirement. The diameter of the vent or drain holes are as per ISA RP 3.2

     
    Flange UnionWeld neck, Slip on, Threaded, Socket welded with RF or RTJ facing Orifice flanges are in accordance with ANSI B16.36 with minimum flange rating of 300# for sizes up to 8" or male - female flanges in accordance with ANSI B16.5

     
    Pressure Tappings
         		Corner tappings are recommended for sizes upto 1 ½"; Flange taps from 2" to 16" ; D - D/2 taps for higher sizes

     
    Gasket

    CAF as per IS: 2712 Gr 0/1 , SS spiral wound + CAF , SS spiral wound + Grafoil, SS spiral wound + PTFE are normally supplied as per process requirement. Other materials available on request. For RTJ flanges , the plate is fixed on the plate holder. The plate holder is in Soft Iron material & acts as a gasket.

     

    Studs / NutsASTM A193 Gr.B7/A-194 Gr.2H as standard, Other material on request.

     
    Jack ScrewASTM A193 Gr.B7/A-194 Gr.2H as standard, Other material on request.