ZAZP Electric single seat control valve feature

• ZAZP Electric Single Seat Control Valve specification

  Electric control valve Body type:	straight through casting globe type
  Spool type:	non-balanced single seat plug type
  Nominal size:	DN20~300,、 NPS 3/4〞~ 12〞
  Nominal pressure:	PN16 ~ 100、 CLASS 150LB ~ 600LB
  Connection: flange:	FF、RF、MF、RTJ
  Welding:	SW、BW
  Flange dimension:	According to to IEC 60534
  ZAZP 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:	Electric: DZK series actuator.

• ZAZP Electric Single Seat 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,RTFE,>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

• ZAZP Electric Single Seat Control Valve Performance

  Electric control valve Flow characteristic	Linear, Equal percentage, quick open
  Allowable range	50: 1 (CV<6.3 30: 1)
  Rated Cv value	Percentage CV1.6~630 ，linear CV1.8~690
  Electric control valve Allowable leakage	Metal seal:  IV grade（0.01% rated capacity） Soft seal:  VI grade（foam grade） Leakage standard:  GB/T 4213
  ZAZP Electric Single Seat Control Valve Performance
  Intrinsic error (%)	±1.0
  Return difference(%)	≤1.0
  Dead zone(%)	≤1.0
  Difference from beginning to end point(%)	±2.5

• • ZAZP Electric Single Seat Control Valve technical parameter

    Nominal diameter DN	20				25	32	40	50	65	80	100	125	150	200	250	300
    Spool Diameter (mm)	10	12	15	20	25	32	40	50	65	80	100	125	150	200	250	300
    Rated flow coefficient Kv	1.2	2	3.2	5	8	12	20	32	50	80	120	200	280	450	700	1100
    Nominal pressurePN MPa	1.6            4              6.4
    match DKZ actuator	DKZ-4100				DKZ-4200		DKZ-4300		DKZ-5400			DKZ-5500			DKZ-5600
    Cepai Actuator	A+Z64											A+Z160
    Rated travel mm	10				16		25		40			60			100
    Flow characteristics	equal percentage           linear
    Function style	Input signal increase, valve close or opposite
    Temperature range	Normal temperature: -20 — +200     thermal fin type: -60 — +450 degree

    Note: Large size single-seat control valve can be customized according to user requirement.