HDG200 Series Cage Regulating Valve

Categroy: Control Valve

HDG200 series cage guided regulating valve(referred to as cage regulating valve) is a pressure-balanced regulating valve. The valve can be perfect in the cruel process, such as high pressure drop, high flow velocity, high noise etc. It has the advantages, large flow, wide adjustable range, high accuracy of flow characteristic curve, good dynamic stability, low noise and small cavitation corrosion. Because the valve plug adopts a fluid pressure balance type structure, stable operation can be achieved with a small operating force. This series of regulating valve can be available of bellows type,extended bonnet type, high temperature type and steam jacket type.

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Category

Control Valve

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Product description

Technical Data and Features

Valve Body:

Type: Fluid pressure balanced plug

Nominal Diameter: 20~600mm(3/4" ~ 24")

Plug Type: Balance type, Cage guided

Flow Characteristics: Equal percentage, linear, Quick opening

Nominal Pressure: PN16 ~ 25MPa

ANSI Class 150LB ~ 1500LB;

Connection Type: Flange(RF、RTJ、FM）

Threaded

Welding(SW、BW)

Flange Standard: ASME B16.5

DIN EN 1092-1

GB/T 9113

HG/T 20615

HG/T 20592

Face to Face: ANSI/ ISA 75.03、ASME B16.10、DIN3202、GB/T 12221 etc.

Body and Bonnet Material: WCB、LCB、WC6、CF8M、CF3M、C12、ALLOY20、MONEL、Hastelloy C ,etc.

Trim Material: 316SS、316L SS、416SS、440C、

ALLOY20、MONEL、Hastelloy C，etc.

Above+R.TFE(Reinforced PTFE)

Above + Stellite (Hard faced）

Upper Bonnet Type: standard type -29~250℃

high temperature extended type 250~565℃

low temperature type -196~250℃

bellows seal type

Structure: Cage regulating valve

Low noise type simple regulating valve

Packing: PTFE V-packing

Graphite packing etc.

Others: If the valve flash, it is recommended to choose a reduced-bore type, and the plug and seat are hard faced.

Actuator part:

Item Type	Pneumatic diaphragm type	Pneumatic piston type	Full electronic	Electric	Full electronic (temperature-regulated actuator

Task	Regulating/On-Off	Regulating/On-Off	Regulating	Switch	Regulating
Spring range	20-100; 40-200; 80-240KPa	-	-	-	-
Air source /power	0.14,0.25, 0.4MPa	0.4~0.6MPa	220V·AC50Hz	220V·AC50Hz	220V·AC50Hz
			380V·AC50Hz	380V·AC50Hz
Connector	Rc1/4”, Rc3/8”	Rc1/4”, Rc1/2,Rc3/8”	Wiring: 2-G1/2”	Wiring: 2-G1/2”	M27x2
					(Temperature sensor connector)
Connection type of action	Air open, air close	Air open,air close,double acting	Power on, power off	Power on, power off	Cooling control, heating control
Allowable ambient temperature	-40 ~ +80℃		-60 ~ +65℃		-10 ~ +50℃
Optional valve accessories	Electric valve positioner, air filter regulator, solenoid valve, limit switch, lock-up valve, manual device		Overload unit	Inching switch for position detecting, potentiometer	-

The main technic data:

Nominal diameter		20	25	32	40	50	65	80	100	125	150	200	250	300
Rated Kv	Linear	6.9	11	17.6	27.5	44	69	110	176	275	440	690	1100	1760
	Equal percen-tage	6.3	10	16	25	40	63	100	160	250	400	630	1000	1600
Rated stroke L(mm)		16		25			40			60			100
Diaphragm effective area (pneumatic valve) Ae (cm²）		280		400			600			1000			1600
Inherent flow characteristics		Quick opening、linear、EQ%
Inherent regulating ratio		50:1
Allowable leakage		Hard seal: CLASS IV、CLASS V; Soft seal: CLASS VI