Model & Name: ZHA BS（M） Series Diaphragm, ZSA BP（S,M）, ZSNMX Series Piston High PressureSingle-Seat 

(Angle, Cage) Control Valves

Characteristics:Top-loading structure, porous cagemulti-level depressurization, low noise structure, bead 

welding with StelliteAlloy or Tungsten Carbide for valve plug and valve seat to increase the erosionand 

cavitation resistance;

ZSNMX isdouble-acting pilot piston structure, and is used in high pressure differentialsituation.

Nominal Diameter(DN): 10~200mm

NominalPressure (PN):16、22、25、32MPa

Spring Range (kPa):Diaphragm Type: 20-100, 40-200, 80-240; Piston Type: 40-200, 100-200, 200-350,350-500

OperationTemperature (℃):-20~ +200; 200~ +350; 350~ +450

Material:Forged Steel: 35, 304, 316

Flange Standard:JB/T2769-92