Orifice Flange Dealers in Vadodara

• Brand Name: Flowtech Instruments Services

We are offering orifice plate flange. Description : flowtech make orifice plates & flange assemblies. suitable for creating differential pressure in a pipe line for flow transmitter etc. orifice flange assemblies’ consist of weld neck type flanges with studs, nuts, and gaskets. Available in ss-316/p.p.material. Design standard confirm to bs 1042 fowtech make orifice flange assemblies are used for measuring flow of various liquids, gases & steam from 1 ½” to 24” line sizes. It gives an acceptable level of uncertainties at lowest cost and long life without regular maintenances. Orifice plates are most commonly used as primary element for flow measurement in pipelines based upon the principle of measurement of ‘differential pressure’ created when an obstruction is placed in the fluid flow, due to increase in fluid velocity. design standards design - confirming to isa rp 3.2, dn 1952, bs 1042, iso-5167 orifice bore - confirming to iso 5167 / bs 1042 / rw miller / l. K. Spink / age – 3 accuracy - within +/- 1 % vent / drain - vent or drain holes are provided as per customer’s requirement. Not drilled for orifice bore smaller than 25.4 mm.

Stainless Steel Orifice flanges are for metering the volumetric flow rate of liquids and gasses through a pipe. Two orifice flanges are called an orifice flange union. Each flange comes with two pipe taps for measuring the pressure drop of the flow through an orifice plate. Orifice plates do not come with the flanges and are sized based on the requirements of the process. Two jack screws are used to spread the flanges apart in order to change the orifice plate. This flange is normally available in weld neck, slip-on, and threaded flanges. These flanges have a raised face. Orifice flanges are installed in a straight run of pipe in order to avoid turbulence at the plate. As a rule of thumb, an orifice flange has ten diameters of straight pipe upstream and five diameters of pipe downstream. There are guidelines set out in (American Gas Association) AGA Report #3 which is the Orifice Metering of Natural gas. When installing the orifice plate flange the pressure taps need to be at the same elevation to each other. The assumption when making the calculation for the orifice plate is that static head of the tubes is the same on both sides of the orifice plate. Pressure taps should not be installed facing down as the taps could become plugged with debris in the line. Stainless Steel Weld neck orifice flanges are butt-welded into the pipeline. The inside diameter (bore diameter) of the pipe should be specified when ordering. Weld neck orifice flanges are available in standard pressure ratings: ANSI classes 300, 600, 900, 1500 and 2500. They are not available in ANSI 150 sizes because the thickness of ANSI 150 flanges are not enough to allow for drilling pressure taps.

Considered the most common primary element, Meriam’s concentric orifice plates are precision bored to exact dimensions with a sharp upstream edge to ensure accuracy. Pair this up with an orifice flange to provide a convenient, accurate method for installing orifice plates

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