YH120P Pneumatic Double Cage Single-Seated 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

· Quick-change seat, Integrated pressure cage and guide bushing, Low leakage

· The use of double-layer porous pressure cage further improves the noise reduction performance of the internals

产品详情

	Chinese Standard	American Standard
Quality assurance	ISO9001	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
	inch	1.5	2		2.5	3	4
Nominal Diameter DN	mm	125	150		200	250	300
	inch	5	6		8	10	12
Nominal Pressure PN	PN	16、25、40、64、100(110)
	ANSI	CL150、CL300、CL600
Connections	Flanged Welding
Type	Straight Bore Single Casting Ball Valve, Unbalanced 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	Graphite Composite 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.

Flow Characteristics	Metal Seat Soft Seat	High Capacity	Equal Percentage Character (%) and Linear Character (L)
		High Accuracy
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)