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ZRHM Electric Cage guided control valve


  • Port size:DN25~300, NPS 1〞~ 12〞
  • Pressure:PN16 ~ 100,150LB ~ 600LB
  • Medium:Water,oil,steam,gas
  • Temperature :-196~450℃
  • Body material:WCB LCB CF8 CF3 CF8M CF3M
  • Description:
  • ZRHM Electric Cage guided control valve Feature

    01.ZRHM Electric Cage Guided Control Valve adopts double sealing surface spool structure,applicable for low leakage requirement;
    02.Electric Control Valve adopts pressure-balanced spool structure, large allowed pressure differential, low noise&steady and reliable actuation;
    03.Electronic electric actuator of ZRHM Electric Cage guided control valve with servo system, no need the servo amplifier, can work when supplying power and input signal, with small sensitivity to temperature.
  • ZRHM Electric cage guided control valve specification

    Electric control valve body type: straight through casting globe type
    Spool type: balanced cage guided sleeve ype
    Nominal size: DN25~300,、 NPS 1〞~ 12〞
    Nominal pressure: PN16 ~ 100、 CLASS 150LB ~ 600LB
    Connection: flange: FF、RF、MF、RTJ
    Welding: SW、BW
    Flange dimension: According to to IEC 60534
    ZRHP Electric single seat control valve
    Bonnet type:
    Ⅰ:standard type(-20℃~230℃)
    Ⅱ:Radiator type: (-45℃~ high than 230℃ occasion)
    Ⅲ:Low temperature extended type(-196℃~ -45℃)
    Ⅳ:Bellow seal type
    Ⅴ:Warm insulation Jacket type
    Packing: V type PFTE packing, flex. graphite packing, etc.
    Gasket: Metal graphite packing
    Actuator of control valve: Electric: 3810L series smart actuator, PSL series actuator.
  • ZRHM Electric cage guided control valve Structure

  • ZRHM Electric Cage guided control valve material 

    Component name Control Valve Material
    Body/Bonnet WCB/WCC/WC6/CF8/CF8M/CF3M
    Valve spool/Seat 304/316/316L(overlaying stellite alloy)
    Packing Normal:-196~150℃ is PTFE,>230℃ is flexible graphite
    Bellows 304/316/316L
    Gasket Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket
    Control valve stem 2Cr13/17-4PH/304/316/316L
  • ZRHM Electric cage guiede control valve type code

    Z Actuator H Structure Nominal size Body material Bonnet type Nominal pressure
    Z series control valve 
    R: electric 3810L actuator
    D: electric PSL actuator
    H:direct travel M: (standard type) metal sealing  cage guide 
    MF: soft sealing
    cage guided
    ML: Single level
    cage type
    MT: Two level
    cage type
    MG: cage guided
    control valve
    with radiator
    MV:  cage guided
     with bellow seal
    MD: low temperature cage guided  
    DN25= NPS1〞=25
    DN50= NPS2〞=50
    D=special material
    Ⅰ:standard type(-5℃~230℃)
    Ⅱ:Radiator type: (-45℃~ high than   230℃ occasion)
    Ⅲ:Low temperature       extended type
    (-196℃~ -45℃)
    Ⅳ:Bellow seal type
    Ⅴ:Warm insulation  Jacket type
    CL150LB=150 LB
    Such as:  Z type electric cage guided control valve,standard type bonnet,metal seat, PN16, body:  WCB, nominal size:  DN50, type:  ZRHM-50CⅠ-16
  • ZRHM Electric cage guided control valve Performance

    Flow characteristic Linear, percentage, quick open
    Allowable range 50: 1
    Rated Cv value Percentage CV10~1400 ,linear CV11~1500
    Allowable leakage Metal seal:Ⅱgrade(0.5% rated capacity)
    Soft seal: V grade
    Leakage standard:  GB/T 4213
    ZRHM Electric cage guided control valve Performance
    Intrinsic error (%) ±1.0
    Return difference(%) ≤1.0
    Dead zone(%) ≤1.0
    Difference from beginning to end point(%) ±2.5
    Rated travel difference(%) ≤2.5
  • ZRHM Electric Cage guided control valve special requirement 

    Special test Material penetration flaw detection (PT), radiator test (RT), flow characteristic test,
    low temperature test.
    Special treatment Trim nitrogen treatment, seat hard alloy treatment.
    Special rinse Degreasing and dehydration treatment
    Special condition Special piping or connection, vacuum condition, S.S fastener, special coating.
    Special dimension Customized face to face length or dimension
    Test and inspection Third party test report
  • ZRHM Electric cage guiede control valve actuator parameter

    Electric Control Valve Type\ Method Electric actuator
    3810L series (R type)
    Intelligent integrated type
    Usage Regulating
    Air supply pressure or Power supply voltage Power: AC 220V±10%  50Hz
    Or Power:  AC 380V±10% 50Hz
    Connector Normal type:  cable inlet 2-PF(G1/2〞)
    Explosive proof:  Protection jacket PF(G3/4〞)
    Direct action Input signal increase, stem descend, valve close.
    Reaction Input signal increase, stem ascend, valve open.
    Input signal Input/output4~20mA.DC
    Lag ≤0.8%FS
    Linear type +1%FS
    Environmental temperature Standard type: -10℃~+60℃
    With space heater : -35℃~+60℃
    Explosive proof: -10℃~+40℃
    Electric Control Valve
    Space heater (normal type)
    Non-standard accessories, need special customized notes.
  • ZRHM Electric cage guiede control valve technical parameter

    Seat diameter(mm) 25 32 40 50 65 80 100 125 150 200 250 300
    Rated Cv Percentage 10 16 25 40 63 100 160 250 400 630 1000 1400
    Linear 11 17.6 27.5 44 69 110 176 275 440 690 1100 1500
    Nominal size Travel Option flow coefficient, Cv(★standard ●recommended ○customized)
    DN25 16 mm                      
    DN32 25 mm                    
    DN65 40mm                
    DN125 60mm                
    DN250 100mm                
    Electric actuator ZRHM Electric Cage guided control valve
    Metal seal allowable max. pressure difference(MPa)
    Type Thrust(N)
    3810L-08 800 6.4 6.4                    
    3810L-20 2000 6.4 6.4 6.4 5.1                
    3810L-30 3000 6.4 6.4 6.4 6.4 5.7 4.76            
    3810L-50 5000     6.4 6.4 6.4 6.4 6.25          
    3810L-65 6500             6.4 6.4 4.23 3.23    
    3810L-99 10000                 6.4 6.1 3.31 2.07
    3810L-160 16000                     6 4