Product Presentation:
RV500 series regulating valves have V-Port, multi-hole, pressure balanced, multi-stage pressure-reducing type spools to meet the requirements of various working conditions.RV500 series regulating valve spools are forged and then processed to improve the compactness of the spool material to enhance the spool’s resistance to scouring.
Pressure balanced ——- pressure balanced spool used in applications with large differential pressure, the spool adopts a multi-hole pressure balanced design to eliminate the differential pressure of the medium to the spool of the unbalanced force, thereby reducing the output force required by the regulating valve actuator.
2.Multi-stage pressure reduction type ——LDM unique multi-stage pressure reduction technology makes the pressure reduction effect more obvious and outstanding. Each stage can reduce pressure up to 4.0~5.0MPa, up to 4 stages.
Product Parameter:
Series: RV501
Valve type: control valve, single seat, straight through, pressure balance plug
Nominal diameter:DN15-150
Nominal pressure:PN16-160
Valve body material DIN/ANSI: cast steel 1.0619 (GP240GH) / alloy steel 1.7357
Welding material: 1.0425 (P 265 GH) / (G 17CrMo5-5) 1.7335 (13CrMo4-5)
Seat / core material:17 021.6(1.4006)+stellit6 / 17 123.6(1.4078)carbide
Working temperature:-20-400℃ / -20-550℃
Medium: steam or other unadulterated liquids
Flange connection: from PN16-160 EN 1092-1 (2/2003) standard Convex / concave / flat flange
Weld end: 13 1075
Spool type: one to three stage pressure reducing
Flow characteristics: linear, equal percentage
Leakage class: Class III EN 1349(5/2001) <0.01% kvs Metal-to-metal seal Higher requirements up to Class VI (to be specified when ordering)
Packing: graphite packing
