Product description
HTB control valve is a pressure differential angle type valve, designed to adjust outlet pressure of urea synthesis tower. Valve parts with two sleeve, a level is adjustable, progressively lower blood pressure, body and trim the urine corrosion of duplex stainless steel, has the advantages of good seismic performance, low noise, abrasion resistance, corrosion resistance, long service life, reliable, convenient repair. A urea synthesis tower outlet pressure regulating valve, belonging to the field of liquid pressure regulating valve. It comprises a valve seat and a guide sleeve, one end of the guide sleeve is connected with the body is a stepped hole connection, is characterized in that the end and the other end of the valve seat guide sleeve sealing joint, peripheral guide sleeve close to the seat at the upper end of the through hole is opened. Because the utility model in the guide sleeve close to the seat of the peripheral end is provided with a plurality of through holes, when the urine into the guide sleeve through the inner hole of a valve seat, it spread to the surrounding through the through hole, greatly reduce the impact of the spool, the valve seat of urine and eccentric wear problem; at the same time as the keyhole effect, make the urine in the guide sleeve to produce fewer gas-liquid coexistence phenomenon, can basically eliminate cavitation effect on the spool, the valve seat of urine; the guide sleeve extended opening, fluid through the valve distribution is uniform, so that the vibration frequency decreases, noise reduction.
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