SPECIALTY CONTROL VALVES FOR UREA PLANTS - Parcol

SPECIALTY CONTROL VALVES FOR UREA PLANTSPARCOL1-2311 MAIN SPECIFICATIONSBODY- Style: swing-through type withthreaded holes.- Construction: from forged block only.- Materials: specialty duplex stainless steel25Cr22Ni2Mo modified for ureaservice.- Connections: flanged ends with lens-type sealaccording to Customer's std.,flanged DIN and ANSI standard.- Pressure ratings: ANSI 900 to 2500, DIN and UNIPN 160 to 400.- Packing box: double side, bolted type foradjustable loading of glass filledPTFE V-rings seal.- Options: steam heating, etc.DISC- Construction: machined from forged block orbar only.- Materials: special duplex stainless steel(HVD-1, 17-4 PH, Ferralium,etc.).- Leakage class: - class II according to IEC 534-4(ANSI B16.104);- leakage class III with metalseated special execution (70°opening);- with calibrated orifice whenminimum flow is required inclosed position.BEARINGS- Style: metal bearings inside valve body,additional PTFE lined externalbearings.- Materials: internal bearings: as per shaftones with different hardnessexternal bearings: PTFE linedcarbon steel.SHAFT1-2311 SERIES CFD ANALYSIS- Materials: special duplex stainless steel(HVD-1, 17-4 PH, Ferralium,etc.).ACA 0255 - 10/08SPECIALTY CONTROL VALVES FOR UREA PLANTS- 14 -