YH230M Pneumatic Low-Noise Double Cage Control Valve

· Compact structure with S-shaped flow path and low pressure drop; Wide adjustable range and high-precision flow characteristics

· Excellent dynamic stability, low noise, and anti-cavitation design

· Large spool guide area enhances vibration resistance

· Complies with GB/T4213-2008 standard

· Suitable for high-temperature and low-temperature fluid control

产品详情

	Chinese Standard	American Standard
Quality assurance	ISO9001 TS2710J59	ISO9001
Design and manufacture	GB12224-2005	ASME B16.34
Flange standard	GB9113,GB9124.1 HG20592-2009	ASME B16.5
Structure length	GB/T17213.3	ASME B16.10 ISA S75.03
Inspection and test standard	GB/T4213-2008	ANSI FCI70-2 IEC60534-2-1

Nominal Diameter DN	mm	40	50	65		80	100	125	150
	inch	1.5	2	2.5		3	4	5	6
Nominal Diameter DN	mm	200	250	300		350	400	450	500
	inch	8	10	12		14	16	18	20
Nominal Pressure PN	PN	16,25,40,64,100,150,260,320,420
	ANSI	CL150,CL300,CL600,900,1500,2500
Connection	Flanged:RF,RJ,TG,MFM Welding:SW(40-50);SW(50-600)
Type	Through-type casting ball valve,Pressure Balanced Plug
Gland	Bolt clamp
Bonnet Temp Range	Standard				-17～+230℃
	High Temp (G)				-45～-17℃,+230～+566℃
	Extended (D)				-196～-45℃
	Bellows Seal (W)				-45～+350℃
Packing	Teflon V-ring,Teflon fiber,Grafoil
Gasket	Metal wound graphite Gasket,Grooved metal gasket (316)
Painting color	Light curry (Epoxy resin group) is standard. No painting for stainless steel body.

CV value and rated stroke	High capacity plug; High accuracy flow characteristic plug
Flow characteristics	Metal seat ring	High capacity	Equal percentage character(%) and linear character (L)
	Soft seat ring
	Metal seat ring	High accuracy	Equal percentage character(%) and linear character (L)
	Soft seat ring
Adjustable range	50:1
Leakage level	Hard sealing: Standard Class IV, Special Class V			Soft sealing: Class VI
Fundamental error	Standard: ±1.5% (with positioner); Extended: ±2.5% (with positioner)
Backlash	Standard: ±1.5% (with positioner); Extended: ±2.5% (with positioner)
Dead zone	Standard: ±0.6% (with positioner); Extended: ±1% (with positioner)
Start point deviation	±2% (with positioner)
Rated travel deviation	±2% (with positioner)