Steam pressure regulating control valve

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Steam pressure regulating control valve Feature

Steam pressure regulating control valve is used to control the flow of steam in a variety of industrial applications including: chemical, petrochemical, bio-tech, food and beverage, pharmaceutical, general industrial, and research. Customers depend on control valve for precise, repeatable performance.Steam pressure regulating control valve adopts pressure-balanced spool structure, allowed large pressure differential, low noise and steady and reliable actuation.

Steam pressure regulating control valve Body type:	straight through casting globe type
Spool type:	balanced cage guided sleeve type
Nominal size:	DN20~200,、 NPS 3/4〞~ 8〞
Nominal pressure:	PN16 ~ 100、 CLASS 150LB ~ 600LB
Connection: flange:	FF、RF、MF、RTJ
Welding:	SW、BW
Flange dimension:	According to to IEC 60534
Steam pressure regulating 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
control valve Actuator:	Pneumatic: multi-spring diaphragm actuator, piston type actuator.

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
Gasket	Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket
Diaphragm Cover	Normal:Q235,Special:304
Diaphragm	NBR with reinforced polyester fabric
Spring	Normal:60Si2Mn,Special:50CrVa
Control valve stem	2Cr13/17-4PH/304/316/316L

Steam pressure regulating control valve characteristic	Linear, percentage, quick open
Allowable range	50: 1
Steam pressure regulating control valve
Steam pressure regulating control valve Allowable leakage	Metal seal:Ⅱgrade（0.5% rated capacity） Soft seal: V grade Leakage standard: GB/T 4213
Steam pressure regulating 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

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