Orifice plate flowmeter

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Orifice plate flowmeter

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Performance characteristics of orifice plate flowmeter
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Product • parameters

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Product name	Orifice plate flowmeter	Nominal diameter	DN25 ~DN1000(mm)
Range ratio	Standard1:3；extended 1:5	Accuracy	±1.5%FS
Working pressure	≤42.0MPa	Medium temperature	-40℃-450℃
Medium viscosity	≤30CP(Equivalent to heavy oil)	β value	0.2-0.8
Connection mode	Flange type，wafer type，welded type	Installation modes	Horizontal or vertical
Power supply	24V DC(Need to be equipped with differential pressure transmitter )	Explosion-proof performance	Intrinsic safety type IbIICT5
Explosion-proof class	ExⅡBT6 Gb	Electrical interface	M20*1.5
Display	8 bit LCD display instantaneous flow and accumulative flow (Equip flow totalizer)	Tapping modes	Annular-chamber tapping, flange tapping, corner drilling tapping, D-D/2 tapping
Protective performance	IP65

Annular-chamber tapping standard orifice plate（1.6MPa）(The following table)

Caliber	L(mm)	￠ D(mm)
DN50	110	￠165
DN65	110	￠185
DN80	110	￠200
DN100	110	￠220
DN125	110	￠250
DN150	115	￠285
DN200	120	￠340
DN250	125	￠405
DN300	130	￠460
DN350	140	￠520

The specific sizes of D-D/2 tapping standard orifice plate, flange tapping standard orifice plate and corner drilling tapping standard orifice plate are based on pressure class and the field pipeline size required by the customer.

Model	Description
HLGK	Orifice plate flowmeter
	Code	Classification by structure characteristics
	H	Annular-chamber tapping standard orifice plate
	Y	Flange tapping standard orifice plate
	K	Corner drilling tapping standard orifice plate
	J	D-D/2 tapping standard orifice plate
	S	Double orifice plate
	Q	Segment orifice plate
	Z	Conical entrance orifice plate
	R	Quarter circle orifice plate
	P	Eccentric orifice plate
	N	Integral (Inner) orifice plate
		Code	Nominal pressure（MPa）
		1.6	1.6
		2.0	2.0
		2.5	2.5
		4.0	4.0
		5.0	5.0
		6.3	6.3
		10	10
		11	11
		15	15
		16	16
		25	25
		26	26
		42	42
			Code	Caliber
			25-1000	DN25-DN1000
				Code	Medium
				1	Liquid
				2	Gas
				3	Steam
					Code	Compensation form
					N	No pressure, temperature compensation
					P	With pressure compensation output
					T	With temperature compensation output
						Code	Transmitter differential pressure range
						0	Micro differential pressure range
						1	Low differential pressure range
						2	Medium differential pressure range
						3	High differential pressure range
							Code	Whether with the field display
							W	Throttling device sensor
							X	Intelligent throttling device (flowmeter)

1-Throttling device; 2-Valve; 3- Insulating layer; 4- Settler; 5- Differential pressure gauge; 6- Gas collector

Conditions of pipeline installation：

（1）The straight pipe section before and after the throttling device must be straight and no bending can be seen by the naked eye.

Selection Notes:

Long-term field experience tells us that over 80% of the problems in orifice plate flowmeter are due to improper selection, so please confirm the detailed technical parameters before ordering.

Orifice plate flowmeter

Orifice plate flowmeter

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Product • Structure Detail Drawing

Product • parameters

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