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Venturi angle

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HAV angle regulating valve,The Venturi regulating valve is suitable for controlling fluids containing particles, mud, viscous or flash evaporation fluids. The leakage rate of the Venturi angle regulating electric valve meets the requirementsANSI B16.104Standard.

1HAVOverview of Venturi angle regulating electric valve

The HAV Venturi angle regulating valve core adopts an upward guide structure, with a compact valve structure, low pressure drop loss, high flow rate, and wide adjustable range. Suitable for controlling fluids and slurries containing particles, viscous or flashing fluids.

Venturi angle regulating valveThe leakage amount meets the requirementsANSI B16.104Standard. Equipped with a multi spring thin film actuator, it has a compact structure and high output force. The product complies withGB/T4213-92.

IIHAVVenturi angle regulating valve body

type Formula: Angle type single seat cast ball valve
Nominal diameter:25、40、50、65、80、100、125、150mm
Nominal pressure:ANSI 125、150、300 、600 JIS 10、16、20、30、40K PN1.6、4.0、6.4MPa
Connection type: flange connection:FF、RF、RJ、LGGroove type, embedded type
Flange standard:JIS B2201-1984、ANSIB16.5-1981、GB/T9112～9124-2000class
material Material: Cast steel（ZG230-450）Cast stainless steel（ZG1Cr18Ni9Ti、ZG1Cr18Ni12Mo2TiZG00Cr18Ni12Mo2Ti）Titanium, etc

Upper valve cover: room temperature type（P）：0～+200℃
Extension Type I（E1）： -45～0℃ +200～+425℃
Note: The working temperature shall not exceed the allowable range of various materials
Cover type: bolt compression type
fill Material:VType PTFE packing, impregnated PTFE asbestos braided packing, asbestos braided packing, graphite packing

IIIHAVVenturi angle regulating valve internal components

Valve core type: single seat plunger valve core
Flow characteristics: percentage characteristics of metal valve seat, etc（%）And linear characteristics（L）Refer to the flow characteristic curve graph
CvValue from0.04～14The high-precision flow characteristics comply withIEC534-2standard
Soft valve seat percentage characteristics（%）And linear characteristics（L）Refer to the flow characteristic curve graph
Note: For the working temperature and pressure difference of PTFE valve seats, refer to the flow characteristic curve diagram
material Material: Stainless steel（1Cr18Ni9Ti、1Cr18Ni12Mo2Ti、17-4PH、9Cr18、316L）Stainless steel overlay welding with Stellite alloy, titanium and corrosion-resistant alloys, etc

4HAVVenturi angle regulating valve actuator

type Formula:LHAMulti spring thin film actuatorLVA5Single spring thin film actuatorLVA6Single acting cylinder piston actuatorLVPDouble acting cylinder piston actuator
Diaphragm material: Ethylene propylene rubber with nylon cloth, butadiene rubberqingRubber clip nylon cloth
Spring range:20～100、80～240kPa（LHA，LVA5Type),190～350、190～400kPa（LVA6Type)
Gas supply pressure:140～400kPa（LHAType)140～280kPa（LVA5Type)400～500kPa（LVA6Type)300～500kPa（LVPType)
Gas source interface:Rc1/4'
Environmental temperature:-30～+70℃
Function type: Use positive or negative action actuators to achieve valve gas-Guan or Qi-open
attach Components: Positioner, air filter pressure reducer, holding valve, travel switch, valve position transmitter, solenoid valve, handwheel mechanism, etc

5HAVPerformance of Venturi angle regulating valve

Leakage rate: Metal valve seat: Less than the rated capacity of the valve0.01%, in accordance withANSIB16.104-1976IVlevel
circle Poor: with locator: less than full stroke1%，
Without locator: Less than full travel3%（LHA1Type smaller than the full stroke5%）
Basic error: with locator: less than ± of the full stroke1%，
Without locator: less than ± of full travel5%
Note: Using standardVType PTFE packing
Adjustable range:50：1（0.25≤Cv≤14）Or30：1（CV≤0.16）

VIHAVVenturi angle regulating valveCvValue and itinerary

Nominal Diameter	25						40			50			65			80			100			125			150
Valve seat diameter							20	25	32	25	32	40	32	40	50	40	50	65	50	65	80	65	80	100	80	100	125
ratedCvprice	1.0	1.6	2.5	4.0	6.3	10	11	17	24	17	24	44	24	44	68	44	68	99	68	99	175	99	175	275	175	275	395
Rated travel（mm）	14.3						25						38									50

7HAVFlow characteristics of Venturi angle regulating valve

Typical flow characteristic curve

8HAVVenturi angle regulating valve allows pressure difference

MatchingLHAperhapsLVAactuator
Gas closed or gas open valve

execute institution	air supply pressure	Spring range	positioner	Allowable pressure difference
				Valve seat diameter
				Cv= 1.0,1.6	Cv= 2.5	Cv= 4.0,6.3	Cv= 11	25	32	40	50	65	80	100	125
LHA2D LHA2R	1.4	0.2～1.0	with or without	40	40	40	40	21.9	10.1	6.8	4.1	2.5	1.8	-	-
LHA2D LHA2R	2.8	0.8～2.4	have	40	40	40	40	40	20.1	13.7	8.2	5.0	3.6	-	-
LHA3D LHA3R	1.4	0.2～1.0	with or without	-	-	-	-	-	17.9	12.1	7.2	4.5	3.2	1.8	1.2
LHA3D LHA3R	2.8	0.8～2.4	have	-	-	-	-	-	35.7	24.2	14.5	8.9	6.4	3.6	2.3
LHA4D LHA4R	1.4	0.2～1.0	with or without	-	-	-	-	-	30.9	20.9	12.5	7.7	5.6	3.1	2.0
LHA4D LHA4R	2.8	0.8～2.4	have	-	-	-	-	-	40	40	25	5.4	11.1	6.2	4.0
LVA5D LHA5R	1.4	0.2～1.0	with or without	-	-	-	-	-	-	-	16	10	7.5	4.2	2.7
LVA5D LHA5R	2.8	0.4～2.0	have	-	-	-	-	-	-	-	32	21	15	8.5	5.4
LVA5R	5	1.9～4.0	have	-	-	-	-	-	-	-	-	-	-	9.1	5.8

pour: oneThe maximum allowable pressure difference shall not exceedANSI B16.34perhapsJIS B2201The high work pressure specified by the standard.
2The numbers in the black box indicate the standard specification actuator for the valve.

9HAVVenturi angle regulating valve flange distance and external dimensions

flange distance

Valve size （B）	A
Valve size （B）	ANSI 125 FF ANSI 150 RF JIS 10K FF RF PN1.6	JIS 16K RF	JIS 20K RF JIS 30K RF ANSI 300 RF PN4.0	JIS 40K RF ANSI 600 RF PN6.4	ANSI 150RJ	ANSI 300RJ	ANSI 600RJ	ANSI 300LG	ANSI 600LG
25	92	98	98	105	98	105	105	105	105
40	111	117	117	125	117	124	125	124	125
50	127	133	133	143	133	141	144	141	144
65	138	146	146	156	144	154	157	154	157
80	149	159	159	168	156	167	170	167	170
100	176	184	184	197	183	192	198	192	198
125	202	213	213	229	208	221	230	221	230
150	225	237	237	254	232	244	256	244	256

pour:The flange distance meets the requirementsIEC534-3standard

External dimensions


LHAactuator	LHA5actuator	LHA6actuator	LVPactuator

Nominal Diameter	actuator	H			B	φB
Nominal Diameter	actuator	Room temperature type upper valve cover	Extended upper valve cover	Valve cover on corrugated pipe	B	φB
25	LHA1D、R	390	545	545	230	218
25	LHA2D、R	465	620	-	281	267
40	LHA1D、R	400	550	560	230	218
	LHA2D、R	475	625	-	281	267
	LHA3D、R	580	730	-	363	350
	LHA4D、R	830	975	-	520	470
50	LHA1D、R	400	550	560	230	218
	LHA2D、R	475	625	-	281	267
	LHA3D、R	580	730	-	363	350
	LHA4D、R	835	980	-	520	470
65	LHA2D、R	545	695	765	281	267
	LHA3D、R	600	750	-	363	350
	LHA4D、R	840	990	-	520	470
	LVA5D	1225	1375	-	-	620
	LVA5R	1335	1485	-	-	620
80	LHA2D、R	555	705	775	281	267
	LHA3D、R	610	760	-	363	350
	LHA4D、R	840	990	-	520	470
	LVA5D	1225	1375	-	-	620
	LVA5R	1335	1485	-	-	620
100	LHA2D、R	555	710	775	281	267
	LHA3D、R	610	765	-	263	350
	LHA4D、R	845	995	-	520	470
	LVA5D	1230	1380	-	-	620
	LVA5R	1340	1490	990	-	620
125	LHA3D、R	700	850	-	363	350
	LHA4D、R	865	1015	-	520	470
	LVA5D	1255	1405	-	-	620
	LVA5R	1365	1515	1005	-	620
150	LHA3D、R	720	870	-	363	350
	LHA4D、R	885	1035	-	520	470
	LVA5D	1275	1425	-	-	620
	LVA5R	1385	1535	-	-	620

Note: On the tableHThe column size refers to the data of the regulating valve without a handwheel mechanism. If it has a top mounted handwheel mechanism, the size of the handwheel mechanism should be added accordingly.

10HAVOrdering Notice for Venturi Angle Regulating Valve

1. Name and parameters of Venturi angle regulating valve

2. Diameter of Venturi angle regulating valve

3. Flow characteristics of Venturi angle regulating valve

4. Venturi angle regulating valve pressure difference (including normal working pressure difference and pressure difference when the valve is closed)

5. Material of the valve body and internal components of the Venturi angle regulating valve

6. Venturi angle regulating valve medium and medium temperature

7. Corrosion resistance and accessories of Venturi angle regulating valve

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