HDS500 Series Internal Pressure-taking Self-operating Pressure Control Valve

Categroy: Control Valve

HDS500 series self-operated pressure regulating valve adopts internal pressure taking structure. It can rely on the pressure change of the medium to achieve the purpose of automatic pressure regulating and sustaining. It has simple structue and reliable operation, suitable; for pressure reducing, relief and sustaining in various medias, such as steam, noncorrosive gases and liquids. HDS500 adopts packing-free sealing structure, which has the advantages of sensetive action and reliable sealing; This series of control valve is divided into upstream pressure control valve and downstream pressure control valve.

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Product serial number

Category

Control Valve

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Product description

Technical Data and Features

Valve Body:

Nominal Diameter: 15~300mm(1/2" ~ 12")

Plug Type: Single port, double ports

Flow Characteristics: Quick open, modified linear

Nominal Pressure: PN16 、PN25、PN40、PN63；

ANSI Class 150, 300, 600;

JIS 10K, 20K, 30K, 40K

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、GB/T 12221 etc.

Body and Bonnet Material: WCB、CF8、CF8M、CF3、CF3M etc.

Trim Material: 304、316、316L

+R.TFE(Reinforced PTFE)

+ Stellite (Titanium alloy for surfacing）

Upper Bonnet Type: Standard type -30 ~ +120℃

High temperature extended type -40 ~ +350℃

Low temperature type -196 ~ +80℃

Packing: PTFE V-packing

Graphite packing

Or packing-free structure etc.

Actuator part：

Item Type	Diaphragm type	Piston type	Bellows type
Task	Regulating
Diaphragm material	Nitrile rubber, fluorine rubber, oil resistant rubber,304,316	_	_
Piston material	_	Aluminum, stainless steel	_
Bellows material	_	_	304、316
Type of action	Pressure open(upstream pressure control valve), pressure close(downstream pressure control valve)
Operating temperature	Low temperature type: -196 ~ +80℃，nomal temperature type: -20 ~+120℃，high temperature type: -40~ +350℃
Optional accessories for valve	Pressure gauges, flanges, gaskets and fastens

The main technical data:

Nominal diameter		20	25	32	40	50	65	80	100	125	150	200	250	300
Rated Kv	Single seat	7	11	20	30	48	75	120	190	300	480	760	1100	1750
Rated Kv	Double seat	-	-	22	33	53	83	132	209	330	528	830	1210	1925
Rated stroke L(mm)		8		10		12	20		22		25	25	25	25
Flow characteristics		Quick opening、linear
Pressure regulating range(KPa)		15-50;40-80;60-100;80-140;120-180;160-220;200-260;240-300;280-350;330-400;380-450;430-500;480-560; 540-620;600-700;680-800;780-900;880-1000;950-1500;1000-2500;2000-3000;2500-3500
Allowable leakage		Hard seal: CLASS IV; Soft seal: CLASS VI

Nominal diameter	20、25
	2	3	4	5	6	7	8	9	10	12	15
Rated Kv	0.02	0.08	0.12	0.20	0.32	0.5	0.8	1.2	1.8	3.2	5
Rated stroke L(mm)	5
Flow characteristics	Linear								Quick open
Allowable leakage	Metal seal: CLASS IV; Soft seal: CLASS VI