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YH761P Cascade Multi-stage Pressure Reducing High-Pressure Differential Angle Type 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

產品詳情

	Chinese Standard	American Standard
Quality assurance	ISO9001	ISO9001
Design and manufacture	GB12224-2005	ASME B16.34
Flange standard	SH3406,HG20596	ASME B16.5
Structure length	JB/T450	ASME B16.10 ISA S75.03
Inspection and test standard	GB/T4213-2008	ANSI FCI70-2 IEC60534-2-1

Nominal Diameter DN	mm	25	40	50		65	80
	inch	1	1.5	2		2.5	3
Nominal Diameter DN	mm	100	125	150		200
	inch	4	5	6		8
Nominal Pressure PN	PN	150, 220, 260, 320, 420
	ANSI	CL900, CL1500, CL2500
Connections	Flanged: RJ or lens gasket Welding
Body type	Forging angle
Gland	Bolt clamp
Plug type	DN25-DN40				Pressure unbalanced structure
	DN50-DN100				Pressure balanced structure
Bonnet temp	Standard				-17～+230℃
	High Temp (G)				-45～-17℃, +230～+566℃
Gasket	Metal wound graphite gasket, Grooved metal gasket (316 stainless steel)
Painting color	Light curry (Epoxy resin group) is standard. No painting for stainless steel body.

Flow characteristics	Equal percentage character (%) and linear character (L)
Adjustable range	50:1 (Cv≥0.25), 30:1 (Cv≤0.16)
Leakage level	Standard Class IV, Special Class V
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)