85~265VAC 45~63HZ Water Orifice Flow Meter With DN10~DN1200 Pipe Size
1 Piece/Pieces
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Basic Infomation
Place of Origin: China (Mainland)
Brand Name: vacorda
Certification: CE/TUV/ISO9001/SGS
Model Number: LG
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Payment & Shipping Terms
Packaging Details: Wooden box
Supply Ability: 115 Piece/Pieces per Week
Nominal Diamater: DN 25-DN1000
Measuring Range: Standard 1:13 Extension 1:30
Accuracy Class: ±1%FS
Medium Viscosity: ≤ 30CP (heavy Oil)
Working Pressure: ≤ 42.0MPa
Beta Value: 0.2- 0.8
Medium Temperature: -40℃- 450℃
IP Grade: IP67
Connection Type: Flange Or Wafer Type
Explosion-proof Grade: Exia II CT5Ga Exd II BT6Gb
Port: Shanghai/shenzhen
Product Description
85~265VAC 45~63HZ Water Orifice Flow Meter With DN10~DN1200 Pipe Size
LG throttling gear is a primary device in a differential pressure flow measurement system, which consists of a throttle, a pressure-receiving device and a straight pipe section. Throttling device is divided into standard throttling device and non-standard throttling device, the one is coincident with IS05167 and GB/T2624 standard is the standard throttling device, the others are non-standard throttling deivce.
When the pipe filled fluid flows through the throttling device in the pipe, according to the law of conservation of energy and the equation of flow continuity, the stream will form a local contraction at the throttle, thereby increasing the flow rate, static pressure reduction, static pressure difference ΔP(or named differential pressure) before and after the throttle. The greater the flow rate of the fluid, the greater the differential pressure generated before and after the throttle, and the amount of fluid flow is measured by measuring the differential pressure before and after the throttle.
Standard throttling devices should normally be used whenever possible, and non-standard throttling devices can be used only when the fluid Reynolds number is small or contains impurities.
85~265VAC 45~63HZ Water Orifice Flow Meter With DN10~DN1200 Pipe Size 0
Technical Parameters
Nominal diameter:DN15~1200(More than 1200 negotiated orders)
Nominal pressure:≤42MPa
Installation method:Flange connection, Welded connection(or customized)
Pressure method: Corner connection pressure (ring chamber or separate drilling), Flange pressure, Span pressure or else
Straight pipe: Upstream5~10D,downstream2~5D

Throttling device classification
classificationPressure methodReference modelNominal diameter(mm)Nominal pressure(MPa)Diameter ratio
Orifice plateSmall orifice plateCorner connection pressureLG-XH-40/2515~401.0~420.1~0.7
Flange pressureLG-XF-40/2525~401.0~420.15~0.7
Standard orificeCorner connection pressureLG-BH-320/10050~4001.0~420.23~0.8
Flange pressureLG-BF-25/30050~7501.0~200.25~0.75
Span pressureLG-BJ-63/15050~4001.0~63
Built-in orificeLG-BFC-260/8050~4001.0~42
Double orificeLG-SH-16/10025~4001.0~100.19~0.82
1/4 round orificeLG-HH-160/10025~4001.0~260.32~0.71
Conical inlet orifice plateLG-VH-16/10025~2001.0~4.00.12~0.32
Round hole plateLG-QH-6/100050~16000.25~2.50.32~0.71
NozzleSmall nozzleLG-MH-40/3225~401.0~260.3~0.71
Standard nozzleLG-PH-40/15050~6001.0~320.30~0.8
Long neck nozzleLG-CJ-260/8050~4001.0~320.22~0.8
Venturi tubeVenturi nozzleLG-LT-16/15065~4000.6~2.50.32~0.78
Classical venturiMachiningLG-WT-6/20050~6000.6~400.38~0.75
Rough weldingLG-WT-6/1200200~20000.6~2.50.38~0.73

Small orifice plate, Small nozzle Reference size table

Pressure LevelSizeDN15DN25DN32DN40

Note: The length L is based on the actual size, and the dimensions in the table are for reference only.
85~265VAC 45~63HZ Water Orifice Flow Meter With DN10~DN1200 Pipe Size 1
Company Profile and Certificate
85~265VAC 45~63HZ Water Orifice Flow Meter With DN10~DN1200 Pipe Size 285~265VAC 45~63HZ Water Orifice Flow Meter With DN10~DN1200 Pipe Size 3

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