This type of orifice plate is manufactured by machining a precise, straight hole in the middle of a thin metal plate. With over one million daniel senior orifice fittings in service worldwide, this differential pressure flow meter reigns as the most widely used. X52e the claval model x52e orifice plate assembly is typically used with claval flow control valves. Daniel orifice plates 520 in description orifice design calculator size a gasliquid orifice plate using iso5167 2003 and cranes flow of fluids through valves, fittings and pipes, calculate the mass flow rate require for a certain orifice size and plot a profile chart of various mass flow rates vs orifice size. The orifice plates provided were designed and manufactured specifically for this project.
Pair this up with an orifice flange to provide a convenient, accurate method for installing orifice plates. Inlet section a linear segment extending from the device and acts as an end connection for the fluid flowing inside. Due to the strict orifice to flange bore concentricity requirements of api 14. Daniel orifice flow calculator uses the asme mfc3m 1989 equation to determine the rate of fluid flowing for 2 and larger pipe sizes. The plate is similar to the type 500 orifice plate but has a 2in.
A full range of standard concentric universal and paddle plates, orifice plates for special applications and orifice plate seals to match your specific process and service environment. The sizing of multiholes orifice plates is achieved in our design office with the same software as the one used for sharpedge orifice plates in compliance with the iso5167 standard. Exceptional performance and superior durability are the hallmarks of daniel orifice plates and plate seals. They can be used in plate holders with nuflo, daniel and superior orifice fittings. Orifice flow calculation data sheet calculating an orifice diameter it is difficult to accurately calculate the flow of a gas or liquid through a tiny orifice due to the effect of the leading edge of the orifice. Orifice plate, model flcop orifice flange, model flcfl annular chamber, model flcac applications power generation oil production and refining water treatment and distribution gas processing and transmission chemical and petrochemical industries special features max. At lower reynolds numbers, the discharge coefficient of square edge orifice plate may change by as much as 30%. Daniel senior orifice fitting operational sequence of.
These conical entrance orifice plates are used for low reynolds number in the range of 80 to 2000 and give more constant or predictable discharge coefficient. Daniel senior orifice fitting differential pressure flow meters. In case of lossofsignal or erratic output, check taps and impulse piping to secondary instrumentation for blockage or debris. Seal rings snap in after the orifice plate is installed into carrier. Line sizes 210 require a removable orifi ce plate seal. Raised face daniel raised face orifice flanges are made to conform to the standard raised face dimensions in accordance with the a. Owner and operator manual pn 39008001, rev n january 2016 daniel senior orifice fitting 216 2 16 1501500 212 2500. The side sectional view, figure 5, demonstrates the slide valve in the closed position and the orifice plate concentrically aligned with the flow. Download daniel orifice flow calculator at free download. The x52e uses a wafer design holder which offers a compact lightweight assembly that is easy to install. Line sizes 12 and above require the seal to be vulcanized to the o.
Iso 5167 2 orifice plates pdf download download 2e535bee6a to bs 1042 and iso 5167. Multiple units of measure choices mass or volume 3. Plates are lightly stamped to show the following information. The orifice plate is an essential component used to generate a specific, predictable pressure drop in the system. The orifice plate has a tab or printed label on one side where the specifications for the plate are stamped. Daniel orifice calculator software orifice design calculator v.
Considered the most common primary element, meriams concentric orifice plates are precision bored to exact dimensions with a sharp upstream edge to ensure accuracy. Though inexpensive as compared to other devices, the orifice flange union utilizes the more expensive paddletype orifice plate and requires additional labor to perform an orifice plate change. Available in a variety of line sizes and materials, these simple yet effective differential pressure measurement solutions are compatible with all daniel fittings senior, junior, simplex and orifice flange unions and continue to be one of the most widely used oil and gas flow. Gaskets two 116 thick precision diecut asbestos gaskets are furnished with all raised face orifice flanges. The operator must loosen all bolts and remove half of the bolts, spread the flanges by. Seal rings for series 500 orifice plates are sold separately.
Orifice plate holder a pressure containing piping element, such as a set of orifice flanges or an orifice fitting used to contain and position the orifice plate in the piping system. It is precision molded from 7080 shore nitrile synthetic. The plate identification can be read through the clear plastic bag. An orifice meter is a piece of equipment used to measure the flow rate of a gas or a fluid. Daniel simplex orifice plate holders are singlechamber fittings that house and accurately position an orifice plate for differential pressure measurement. It is precision molded and provides four metaltometal sealing surfaces 360 around the plate. Daniel senior dualchamber orifice fitting emerson sg. In the case of a sharpedged orifice, the effective diameter is 0. The orifice plate is basically a thin metal plate 1. Daniel senior orifice fitting operational sequence of removing an orifice plate under pressure. Manufacturing execution systems process analytical technology. How to size an orifice plate flow meter with software. Looking at a side view of a squareedged concentric orifice plate reveals sharp edges 90 o corners at the hole. The value of the differential pressure is very much depending on the diameter ratio.
The senior orifice fitting figure 1 saves users time and money by providing a fast, safe and extremely simple method of changing orifice plates under pressure without flow interruption, preventing unscheduled shutdowns. Depending on the service, these seals are made of nitrile, tfe, or stainless steel. These flanges will be the units shown with precision located knock out type dowel pins as shown in dowel pins section below. Before going through this orifice sizing tutorial please read. The simplest design of orifice plate is the squareedged, concentric orifice. It will display the respective ratio, or orifice diameter to pipe diameter, for a given set of input variables. Physical properties based on chosen temperature and pressure 4. The plate would normally be clamped between adjacent flange fittings in a pipeline, a vent hole and drain hole being provided to prevent solids.
The line size, flange rating, orfice bore, and plate material is stamped on the handle. An orifice plate in its simplest form is a thin steel plate with a circular orifice of known dimensions located centrally in the plate. Usa industries paddletype orifice plates are manufactured for use. Daniel, flange union, daniel industries orifice plate created date. This tutorial will use the daniel orifice flow calculator version 3. This creates a seal on the upstream side of the orifice plate and on the upstream side of the fitting seat. An orifice plate meter is designed to measure the required water mass flow rate to cool a nuclear reactor at design point of 20 kgsec. The performance of an orifice plate flowmetering system can be.
Iso5167 standard the multiholes orifice plate is a nonstandardized flow element but is designed and manufactured according to iso5167 standard requirements. Daniel orifice plates and plate sealing units december 2017 table 4. The plate holder has a function of holding the orifice plate and also a function as a gasket to prevent leakage of the process fluid. Daniel orifice calculator software free download daniel. Restriction orifice plate program contd this is one of the best stand alone restriction orifice plate program available. Orifice plate installabon a nd removal october2014 monltor the fluld\gas pressure in the top 14 untll it 15 equal to am blent condltlons. It mainly consists of an orifice plate, an orifice plate housing, and a meter tube. These simple yet effective differential pressure measurement solutions have been serving the oil and gas. Sr daniels operation how to change an orifice plate.
The universal size is the most economic style of plate available. Orifice plate, model flcop orifice flange, model flcfl. By continuing to use the site, you agree to our privacy and cookie policy. The taps are made in the pipeline at fixed distances of 1 d before the orifice plate and 1.
Fitting which is an orifice plate holding device used in the flow measurement. Singlechamber orifice fittings have an orifice plate that can be replaced without. The group separator was equipped with a daniel senior orifice. Universal orifice plates type 500 universal size orifice plates are a standard used in many industries. Orifice plate sealing units dsc dual seal line sizes 2 to 16 inch the daniel dual seal is the most simple and practical orifi ce plate sealing device for normal fl owing streams.
Each daniel orifice plate is packaged in clear polyethylene plastic bags which protect the plate surface and the bore edge, and keep the plate clean until ready for use. Orifice plate sealing units the daniel dual seal is the most simple and practical orifice plate sealing device for normal flowing streams. Orifice plate assemblies with rtj holder the plate holder assembly is a combination of plate holder and an orifice plate designed for ring tongue joint rtj flanges. Universal type orifice plate the universal type orifi ce plate is designed to be used in an orifi ce fi tting. Orifice flanges are one of the most economical means of measuring flow, and daniel orifice flanges are manufactured to be the most accurate. Fpd220 dualchamber orifice fitting with double block and bleed. Daniel offers orifice flanges plates to meet the tolerances specified in api chapter 14, section 3, part 2 14.
The orifice flow calculator is an easy to use, one page program to assist in sizing an orifice meter and bore size. There is no parts list and there is no recommended stocking level. Orifice plate sizing is normally done these days with software provided by the manufactures of the device. System should be designed to avoid over pressure conditions or exceeding maximum safe flow rate if meter losses measurement. Orifice plate a thin squareedged plate with a machined circular bore concentric with the meter tube i. Pdf a 530 kgs orifice plate cooling water flow meter. Daniel orifice meter tubes significantly minimize the adverse effects of turbulence on flow measurement accuracy by expertly combining a daniel orifice fitting. The upstream side of the orifice plate usually has a sharp, square edge facing into the flow.
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