YH220M Pneumatic Double-Layer Porous Cage Control Valve

· Compact valve structure, S-shaped flow path with guide vanes to prevent turbulence

· Low pressure drop, High flow capacity, Wide adjustable range, High-precision flow characteristics

· Triple sealing on valve plug, Lower leakage, High leakage level

· The use of double-layer porous sleeve significantly improves the noise reduction performance of the internals

Product Details

	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
Length of structure	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
Connections	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 Temperature Range Bonnet Temp	Standard				-17 ~ +230℃
	Radiator Type (G)				-45 ~ -17℃, +230 ~ +566℃
	Extended Type (D)				-196 ~ -45℃
	Bellows Seal Type (W)				-45 ~ +350℃
Packing	Teflon V-Ring, Teflon Fiber, Grafoil
Gasket	Metal Wound Graphite Gasket, Grooved Metal Gasket (316 Stainless Steel)
Painting Color	Light Curry (Epoxy Resin Group) is standard. In the case of stainless steel body, no painting is standard.

CV Value and Rated Stroke	High Capacity Plug; High Accuracy Flow Characteristics Plug
Flow Characteristics	Metal Seat Ring	High Capacity	Equal Percentage Characteristics (%) and Linear Characteristics (L)
	Soft Seat Ring
	Metal Seat Ring	High Accuracy	Equal Percentage Characteristics (%) and Linear Characteristics (L)
	Soft Seat Ring
Adjustable Range	50:1
Leakage Level	Hard Sealing: Class IV (Standard), Class V (Special)			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)