HDT300 Series Three-way Regulating Valve

Categroy: Control Valve

HDT300 series three-way regulating valve has two structures: HDT300X series three-way diverting type and HDT 300Q series three-way converging type. The three-way converging type is to combine two fluids into one. Three-way regulating valve is often used for bypass regulating and control of medium like liquid, gas, steam, etc. 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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Control Valve

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Product description

Technical Data and Features

Valve Body:

Type: Fluid pressure unbalanced plug

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

Plug Type: Double guide type

Flow Characteristics: Equal percentage, linear, on-off

Nominal Pressure: PN1.6 ~ 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℃

Bellows seal type

Structure: Three-way diverting type

Three-way converging type

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	Pneumatic diaphragm type	Pneumatic piston type	Full electronic	Electric
Type
Task	Regulating/On-Off	Regulating/On-Off	Regulating	Switch
Spring range	20-100; 40-200;	-	-	-
	80-240KPa
Air source	0.14,0.25,	0.4~0.6MPa	220V·AC50Hz	220V·AC50Hz
/power	0.4MPa		380V·AC50Hz	380V·AC50Hz
Connector	Rc1/4”, Rc3/8”	Rc1/4”, Rc1/2,Rc3/8”	Wiring:	Wiring:
			2-G1/2”	2-G1/2”
Connection type of action	Air open, air close	Air open,air close,double acting	Power on, power off	Power on, power off
Allowable ambient temperature	-40 ~ +80℃		-60 ~ +65℃
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 technical data:

Nominal diameter		20	25	32	40	50	65	80	100	125	150	200
Rated Kv	Converging	5.0	8.5	13	21	34	53	85	135	210	340	535
	Diverting	Can be replaced by a converging valve structure						85	135	210	340	535
Rated stroke L(mm)		16		25			40			60
Diaphragm effective area (pneumatic valve)Ae(cm²）		280		400			600			1000
Inherent flow characteristics		Linear、EQ%
Inherent regulating ratio		30:1
Allowable leakage		Hard seal: CLASS IV、CLASS V; Soft seal: CLASS VI