Self Operated Pressure Regulating Valve (GAV230/GAV231)

• Certification: ISO, CE
• Temperature: High Temperature
• Connection: Flange
• Valve Seat: Single-Seat
• Structure: Spring Diaphragm
• Material: Cast Steel,Stainless Steel
• Model NO.: GAV230/GAV231
• Transport Package: Plywood Case
• Trademark: GOOLE, OEM
• Origin: China(Mainland)
• HS Code: 8481804090
• Production Capacity: 10000PCS/Year

Product Description

V230/V231 Self Operated Pressure Regulating Valve

Product Description

Brief Introduction.
 
V230/V231 pressure regulating valve is a self-operating pressure regulating valve,there is no need for any external power source, it can use the medium's flow force to realize the function of pressure regulating automatically,is widely used in many industrial sectors like petrochemistry,metallurgy and light indutries,besides,in the civil field,city heating systems can also use this product for regulating pipe pressure.

Application

Field of Application. 

Product Name:V230/V231 Self Operated Pressure Regulating Valve.
Pressure Rating: 1.6 Mpa/2.5 Mpa/4.0 Mpa,150LB/300LB,10K/20K.
Nominal Diameter: DN15-250 mm.
Body Material: Steel WCB,Stainless Steel.
Standard flanges: DIN, ANSI, JIS.

Product Details

Material of Main Component. 

Body	WCB	304	316
Plug,Seat	304	304	316
Stem	304	304	316L
Membrane	EPDM,FKM
Packing	PTFE,Graphite
Spring	60Si2Mn

Main External Dimensions.
 

 

 

DN	20	25	32	40	50	65	80	100	125	150	200	250
L	185	200	205	222	254	276	298	352	410	451	600	670
H	615	645	650	710	730	745	760	800	890	960	1050
H1	52.5	57.5	67.5	72.5	80	90	97.5	107.5	122.5	140	167.5	225

Product Parameters

Main Technical Parameters and Indexes of Performance.

Nominal Diameter		15	20	25		32		40		50		65			80		100		125		150			200		250
Kv		3.2	5	8		12.5		20		32		50			80		125		160		320			450		630
Z(noise)		0.6	0.6	0.6		0.55		0.55		0.5		0.5			0.45		0.4		0.35		0.3			0.2		0.2
PN 16 ΔPmax(Mpa)		1.6	1.6		1.6		1.6		1.6		1.6		1.6			1.6		1.5		1.5			1.2		1.0		1.0
PN 40 ΔPmax(Mpa)		2.0	2.0		2.0		2.0		2.0		2.0		2.0			2.0		1.5		1.5			1.2		1.0		1.0
Regulating Precision		±8%
Maximum Temperature	V230 V231	Liquid≤ 140,Gas≤ 80.
	V230	With Isolation Tank≤200																			≤300
		With Isolation Tank and Radiator≤350
Allowable Leakage	V230	4 x 10 -4 x Rated Value
	V231	10 bubble/min												20 bubble/min								40 bubble/min
Pressure Balance Element		Bellows																				Roll Memberance

 
Main Technical Parameters of Actuator.
 

Effective Area(cm2)	32	80	250	630	32	80	250	630
Pressure Regulating Range(Mpa)	DA3				DA4
	0.8~1.6	0.1~0.6	0.015~0.15	0.005~0.035	1.0~1.6	0.1~1.6	0.015~0.12	0.005~0.035
	0.3~1.2	0.05~0.3	0.01~0.07		0.05~0.25	0.05~0.25	0.01~0.06
Minimum Pressure Differential(Mpa)	≥0.05	≥0.04	≥0.01	≥0.005	≥0.05	≥0.04	≥0.01	≥0.005
Maximum Pressure Differential(Mpa)	2.0	1.25	0.4	0.15	2.0	1.25	0.4	0.15

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