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ORIFICE FLANGE ASSEMBLY
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¢ºDescription
Orifice flange assembly is used in conjunction with orifice plate for flow measurement of smaller or medium size pipes at lower or medium pressure ranges. Ther flange connection is a RF type and the differential pressure tapping system is the flange taps.
¢ºFlange mounting type
Welding neck.
Slip-on.
Socket-welding neck.
Socket-weld
Ring-joint welding neck
¢ºNominal diameter
25 ~ 600 mm
¢ºFlange ratings
JIS 10, 20, 30, 40, 63K
ANSI(JPI) 150, 300, 600, 900, 1500, 2500Lb RF
¢ºFlange material
A150, A182-F304, A182-F316, A182-F11, A182-F22, A350-LF2, etc
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| ORIFICE PLATE |
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¢ºDescription
Orifice flange assembly is sused in conjunction with orifice plate for flow measurement of smaller or medium size pipes at lower or medium pressure ranges. The flange connection is a RF type and the differential pressure tapping system is the flange taps.
Orifice plates are widely used for flow measurement as they provide the simplest and the most economical means of flow detection. Orifice plates are available in the concentric type that the round opening (Bore) of the orifice plate is positioned concentrically with the center of the pipe and the opening edge (Bore edge) is available either in the concentric square edge type (sharp, square edge type) or in the quadrant edge type (Round edge type).
¢ºOrifice bore type
Concentric square edged orifice
Quadrant edged orifice
Eccentric orifice
Segmental orifice
¢ºPlate material
Standard : 304SS and 316L SS
Monel, Hastelloy c, Teflon and etc.
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RING ORIFICE
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¢ºDescription
Orifice ring assemblies are used for flow measurement of smaller or medium sized pipes at lower pressure. Each assembly consists of one orifice plate and two orifice rings. Differential pressure is taken out in a corner tap system. Orifice block, which ard of a unit-construction type and provide highter pressure ratings than the orifice ring assemblies, also are available.
¢ºOrifice bore
Concentric square edged orifice
Quadrant edged orifice
¢ºPressure taps
Corner taps
¢ºPlate thickness
3, 6, 9, 12 mm and Over
AVERAGE PITOT TUBE
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¢ºDescription
Averaging pitot tube is an energy saving device used to measuring the flow of liquids, gases and steam in pipes, stacks and rectangular ducts. It provides high, long term stability with low permanent pressure loss. Examples of their applications are precise volumetic flow measurement in batch processes, continuous measurement of liquid ingredients in the process industry, fuel, air steam and gases as primary energy source as well as in control functions requrring a high degree of stability and repeatability.
¢ºFeatures
Unique profile shape enables high flow rate turn down
Dual averaging for better accuracy
One-piece outer tube for optimum strength
Long term accuracy unaffected by wear
Short upstream and downstream straight pipe lengths
¢ºMeasuring fluid
Liquid, Gas, Steam, etc
¢ºSpecification
Repeatability of measurement ±0.1%
Flow rate turndown typically 10:1
Long term accuracy unaffected by wear
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¢ºDescription
The cone is a differential head flow meter consisting of a circular cone placed in the center of a pipe section with two pressure taps. The upstream pressure tap is placed at a point where flow is undisturbed by the cone, and the downstream tap at the end of the cone facing downstream. The liquid or gas flows through the annular gap formed between the pipe wall and the cone, inducing a differential head that is proportional to the flow rate.
¢ºFeatures
Unique profile shape enables high flow rate turn down
Dual averaging for better accuracy
One-piece outer tube for optimum strength
Long term accuracy unaffected by wear
Short upstream and downstream straigth pipe lengths
¢ºSpecification
Standard accuracy : ±0.5% of actual flowrate
Repeatability : 0.1% or better
Head loss : Approximately 20% of the generated differential pressure
Materials of construction included : Standard-304SS, 316SS, Carbon, Special materials on request
End fittings : Flanged, Threaded, or weld-end standard others on request
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