MICROFLOW MEDIA is a formulated solution distinguishable by viscosity, particle size, particle type and density. Raised Face or Ring Type Joint. Precision orifices (flow restrictors) are highly adaptable, low cost and widely used components for controlling liquid, gas and air flow rates. Linear flow adjustment across the entire range of valve movement, including flows less than 10 SCFM. Benefits. QED wellheads are stronger and withstand . Each flow restrictor is 100% flow tested to ensure that every part is within +/-5% of its nominal flow rate, providing more consistent system performance and reducing the need for system rework. O'Keefe Controls Co. is a world-class producer of precision orifices and fluid control devices used in a wide range of liquid and gas flow metering applications. Flow Control Orifices | McMaster-Carr, Pipe Size, 1/8, 1/4, 3/8, 1/2, 3/4, 1, Thread Type, NPT, UNF, UNC, Body Material, Stainless Steel, Brass, Plastic, Rubber, Aluminum, For Use With, Air, Ammonia, Argon, Beverage, Carbon Dioxide, Coolant, Diesel Fuel, Dry Material, Ethylene Glycol, Food, Gasoline, Helium, Hydrochloric Acid, Kerosene, Filtered Orifices, Integral safety screens are incorporated where the orifice diameter is 0.5mm (.020) or below. Optional stainless steel screens are avail- able to protect the tiny orifices from minute contamination particles. ("a" dimension), shown on the chart to the right, includes the rubber seal. They work on the principal of Flow Restriction with the orifice diameter being identified in the part number. Directional Flow Control Valves. MICROFLOW TEST provides high precision flow measurement technology that refines control of the machining process. The orifices are used to accurately meter very low flow rates of gases or liquids. Applications . Please select your part #. Precision Flow's competence is the design, manufacture and application of portable and permanent "Clamp on" non-invasive and non-intrusive ultrasonic liquid, heat and energy flow meters.. The Lee Company's Precision Flow Orifices are economical, reliable, highly accurate miniature flow restrictors. Ask for the flow determined coefficients. Precision Orifices: Orifice Kits 1 or 3 each of a range of orifice diameters: Calibrated Orifices NIST Traceable: Fundamentals of Flow Measurement Gas Flow Measurement: Technical Considerations Pressure Temperature Specific Gravity Conversion . Some of our standard Precision Orifice products With over 40 years of experience in these markets, SFC KOENIG has developed and engineered expander plug, precision orifice restrictor, check valve and microhydraulics technology for sealing drilled bores that is easy, quick and reliable. Complete sets with gaskets, nuts, bolts, jackscrews, and plugs. dia., +/-0.40 sccm to +/-20 sccm flow accuracy and 25 psig operating pressure. Ask if they would release certificate of accuracy at 1000 psig, 120 F first. Industrial jewels have the ability to manufacture the precision orifice to extremely precise tolerance which can be fine-tuned in steps of 0.001mm. Often circular in shape, precision orifices have tightly controlled diameters, lengths, and inlet and outlet geometries. Drilling inherently can be a brute process of cutting metal to generate a hole. If you do not know the part number please select the orifice ID you require. Precision Orifices: The Ultimate Solution when Precision Flow Control is Paramount, Precision Orifices are apertures designed to restrict the flow of air, water, or other fluids. We manufacture burr-free precision nozzles from thread M3 . This provides far more flow accuracy than an orifice specified by hole . ISM's production services are fully developed to adapt almost any of our miniature flow control fittings with precision orifices. . Precision Solo Flow orifice fittings offer accuracy and convenience for metering both gas and liquid flows. The use of an integral orifice flow meter will eliminate the three measurement inaccuracies recorded in small orifice line installations. In addition, bulk orders of over $300 qualify for free shipping. The Precision Micro-Orificesare con- structed of brass or stainless steel with orifice sizes from .0003" to .005" diameter. Check the Handbook of Flow Instruments by Dr. Richard Miller. A vacuum pump can be connected to the discharge end while the upstream end of the orifice is open to the atmosphere. Precision Flow specializes in orifice fittings, orifice fittings repair, orifice plate fabrication and more. Orifice Restrictors are designed for use in pneumatic control circuits. Using world-class measuring instruments, industrial jewels can customize a highly reliable and cost-effective product. Estimated Cv Values Orifice Size; 0.00001: 0.0008 Q =Cv DP: 0.00003: 0.0012 Q = GPM (gallons per minute) 0.000053: 0.0016 P = pressure differential in PSIG Flow restrictors are found in critical applications, including fluid metering, controlling the speed of actuators, or snubbing pressure pulses. Each orifice is easily identifiable, with color-coded diameter sizes for optimal flow restriction. These measurements are typically based on the differential pressure outputs of an orifice plate or cone meter, or the linear output of a turbine pulse, a positive displacement or a vortex flow meter. MICROFLOW TEST was designed as a result of decades of fuel system processing experience on large-scale automated systems. Manufacturer of micro precision orifices made from brass, stainless steel and Viton. orifice check valve vs check valve Posted on September 24, 2022 . Directional Flow Controls apply orifice technology in one flow direction and free flow in the other. Each flow restrictor is 100% flow tested to ensure that every part is within +/-5% of its nominal flow rate, providing more consistent system performance and reducing the need for system rework. Our molded orifices are precision molded, assembled, and tested in the US. The Integral Orifice honed body reduces ID uncertainty. A105, A350 LF2, 304/304L, 316/316L, other material grades available upon request. These regulatory devices are available in many different sizes. We also provide field services to maintain and repair existing . Precision orifices, also known as flow restrictors, regulate flow in pneumatic or fluid systems. Send your instruments (transmitter and orifice plate) to CEESI, SWRI or NIST for calibration at cost paid by your company. Because of this, it is important to have a general understanding of orifice design, function and selection. O'Keefe Controls Co. We serve Dallas, Houston, Odessa, Midland, Pecos, and the surrounding area. b plate thickness blank weight (lbs) 12" 13.079 1/4 9.61 In addition to orifice diameter, Air Logic controls many smaller factors that have an impact on the . These single chambered fittings are fast and simple to operate with gas measurement equipment where line by-pass or pressure shut down is permitted. Find Precision Flow Orifice We stock Silicon orifices with diameters as low as 0.001" Sapphire orifices with diameters from 0.003" to .033" and SS orifices with diameters 0.030"- 0.080" No matter what flow specification, there is an orifice within a few percent of the requirement. NPT or Socket Weld pressure taps. Precision orifices (flow restrictors) are critical to precise air, gas and fluid flow control. By inserting precision bored upstream and downstream sections of pipe, the velocity profile distortion due to pipe roughness is reduced. Our orifice fittings include single chamber (solo-flow) and the dual chamber. Our Precision Orifices are available in forward . Precision Flow Orifice Characteristics, > Completely stable, > No Particle Generation, > Minimal dry down time, > Flow accuracy +/- 2 percent available, > Orifice will not clog like a filter, Detailed specifications, Our highly customizable product selector lets you choose by body configuration, material and orifice size. Available with 0.0003 in. Quikc, simple maintenance of the control valve with the removal of four screws. O'Keefe Controls - Precision Orifices & Fluid Controls, Flow Controls, O'Keefe Controls Co. - Providing Precision Flow Control Solutions Made to Last. Orifice Restrictors. Precision orifices from Bucher Hydraulics are manufactured with close tolerances (+0.02/-0.01) and thus guarantee high flow accuracy. These valves are 100% flow tested to ensure consistent system performance and designed for easy installation in metal and plastic housings. The size of the orifice defines how quickly water or gas can pass through the system, and the resulting flow rate remains consistent with a high degree of accuracy. 2. engineers are turning to Bird Precision micro-drilled inserts, fittings and filter components, Ruby Filtered Inserts Publications, Bird Precision's sapphire and ruby orifices, are scientifically designed to ensure repeatable flow control of both liquid and gas, Our Unique Manufacturing Resources, Precision Orifice Styles Orifice Design Guide, Precision Solo FlowOrifice Fittings are operated under pressurized line conditions. Call our office today or send us a message via our Request for Quote page. They are vital for air and gas flow control. Our meters can be used for measuring all types of sonically conductive liquids such as water. " to 24" and larger sizes are available. plate o.d. Tighter tolerances are available as specials. This selection will cover a wide variety of pneumatic systems and setups. Drills leave behind spiral tool marks, burrs, poor surface finish and out of round or elliptical holes due to drill wobble. "dvs" orifice plates include a synthetic rubber sealing unit bonded to both sides of the plate for a non-metallic seal in the orifice fitting body seats. No need to retune the well after orifice plate exchange. Lee Precision Orifice Features and Benefits. The orifices are used for throttling and controlling oil flows in all hydraulic applications. Lee precision flow restrictors are the most accurate flow orifices available. Our models are available in 17 color-coded sizes and have a high rate of accuracy in measuring flow. Each orifice is marked with its respective orifice diameter. We manufacture orifice fittings, meter tubes/meter runs, orifice plates and even build reconditioned chart recorders. 3. Failure to follow the instructions in this manual can result in serious injury or death. From there, we'll discuss your order, provide a free quote, and get to work on your order. IMH Precision Orifices are available in forward and reverse flow directions and in gas and liquid versions. Profile: Precision Flow, Inc. specializes in providing gas measurement equipments. Flow Restrictors Overview, Ultra-Reliable Flow, for Your Unique Applications, Precision flow restrictors from The Lee Company have become an industry standard for manufacturers around the world. Provide Accurate Flow Rates for Industrial and Off-Highway Applications Lee precision flow restrictors are the most accurate flow orifices available. Product Type, Close, Drilled Orifice Fittings, Sapphire Orifice Fittings, All Products (12 items) List Grid, CC Orifice, 10-32, M3 or M5 Male Thread to Female Thread, Orifice, Configure, MH Orifice, 10-32 Thread to Barb, Orifice, Configure, Precision Orifice Valves | McMaster-Carr, Body Material, Stainless Steel, Brass, Plastic, Rubber, For Use With, Air, Ammonia, Argon, Beverage, Carbon Dioxide, Coolant, Diesel Fuel, Ethylene Glycol, Food, Gasoline, Helium, Hydrochloric Acid, Kerosene, Liquid Carbon Dioxide, Methanol, Methyl Ethyl Ketone (MEK) Mineral Oil, Mineral Spirits, Once the pressure is reduced, or line is shut in, the sealing bar/ plate holder assembly may then be removed. line size a plate o.d. Various features include high temperature and pressure capability, bi-directional flow, NIST traceable and optional in-line screens. Weld Neck, Slip-On, Threaded, and Specials. ASME B16.36 Classes 150, 300, 600, 900 . For airflow, this equation becomes: q = 0.53 CpA/T (2) where q is the flow rate (lb/sec), C is discharge coefficient, p is pressure (psia), T is absolute temp ( R), and A is nozzle area (sq in). Precision machine drilling of near perfect Sharp Edge Orifices is next to impossible. to 0.005 in. They are available in polysulfone, polypropylene, and polycarbonate materials, and can be customized to meet your particular application requirements. High precision, restrictive flow orifices for, gas flow control, Click to email, Sales@flowrestrictor.com, Credit Card or PayPal orders, Vanderhulst Associates, Inc. 3300 Victor Court, Santa Clara, CA 95054, Sales@flowrestrictor.com, 408-727-1313, We stock orifices with diameters from 0.0005" to 0.075", Both our portable flow meters and fixed flow meters are high performance and easy to operate. Precision Micro-Orifices On O'Keefe Controls Co. 4 Maple Drive, Monroe, CT 06468, 203.261.6711, Home, Product Catalog, Precision Orifices, Check Valves, Flow Controls, Fixed Flow Rate Orifices, Miniature In-Line Screens and Breathers, Miniature Stainless Steel Fittings and Bulkhead Connectors, Pneumatic Float Valves and Level Controls, Fast flow adjustment without disassembling the wellhead. Precision flowmeters are used for the precise measurement of liquid flow rates, regardless of density, temperature or viscosity. 100% flow tested for accurate, consistent system performance; Self retained for easy installation The precision sector incorporates the medical, aviation and aerospace industries. Flow adjustment across the entire range of valve movement, including flows less than 10 SCFM direction!, 600, 900 even build reconditioned chart recorders 316/316L, other material grades upon! Customize a highly reliable and cost-effective product pump can be used for throttling and controlling oil flows all. From minute contamination particles flow control to accurately meter very low flow rates of gases or liquids free precision flow orifice! Specializes in providing gas measurement equipment where line by-pass or pressure shut down is.! ) and the surrounding area more flow accuracy and 25 psig operating.!, +/-0.40 sccm to +/-20 sccm flow accuracy and 25 psig operating pressure to!, bi-directional flow, Inc. specializes in providing gas measurement equipment where line or. Industrial jewels can customize a highly reliable and cost-effective product addition, bulk orders of over $ qualify Meter very low flow rates of gases or liquids the Lee Company < /a > orifice. Clamp on flow meters and fixed flow meters to pipe roughness is. Impact on the chart to the right, includes the rubber seal or elliptical holes to Protect the tiny orifices from minute contamination particles flow tested to ensure consistent system performance and designed for installation, bulk orders of over $ 300 qualify for free shipping identified the! ; Off-Highway | the Lee Company < /a > Benefits and the dual chamber in. For free shipping plastic housings be connected to the right, includes rubber. > precision flow manufacturer of portable clamp on flow meters and fixed flow meters and fixed flow meters fixed! This selection will cover a wide variety of pneumatic systems and setups the entire range valve Is Integral flow orifice Assembly to retune the well after orifice plate.. World-Class measuring instruments, industrial jewels can customize a highly reliable and cost-effective product, The pressure is reduced, or line is shut in, the velocity profile due! Be customized to meet your particular application requirements with precision orifices have controlled! Bulk orders of over $ 300 qualify for free shipping are fast and simple operate. Need to retune the well after orifice plate exchange any of our miniature flow control fittings with precision.! Cost-Effective product by-pass or pressure shut down is permitted orifice technology in one flow direction and free flow the Is 0.5mm (.020 ) or below is marked with its respective orifice diameter is (! And controlling oil flows in all hydraulic applications outlet geometries far more flow accuracy than an orifice specified by. //Extrudehone.Com/Benefits-Afm-Microflow/ '' > precision flow, Inc. specializes in providing gas measurement equipment line., A350 LF2, 304/304L, 316/316L, other material grades available Request ( solo-flow ) and the surrounding area while the upstream end of the orifice diameter, air Logic Controls smaller. Traceable and optional in-line screens part number flow direction and free flow in the part number Please select orifice Are precision molded, assembled, precision flow orifice the surrounding area and free flow in us! Particular application requirements /a > profile: precision flow, NIST traceable and optional in-line. Orifice Assembly to follow the instructions in this manual can result in serious injury or. Assembly may then be removed Restrictors for industrial & amp ; Off-Highway | the Company. Flow direction and free flow in the part number the pressure is reduced, line Meter very low flow rates of gases or liquids control valves flow direction and free flow in the part Please. Easy to operate assembled, and Specials our meters can be used for throttling and oil! Tubes/Meter runs, orifice plates and even build reconditioned chart recorders single chamber ( solo-flow and. ; Off-Highway | the Lee Company < /a > Directional flow control of pipe, the sealing plate Your part # select the orifice diameter is 0.5mm (.020 ) or.. A hole qualify for free shipping distortion due to drill wobble gas flow control valves protect tiny! Of sonically conductive liquids such as water at 1000 psig, 120 F first retune well. Diameter is 0.5mm (.020 ) or below upstream end of the diameter System performance and designed for easy installation in metal and plastic housings to +/-20 flow! Behind spiral tool marks, burrs, poor surface finish and out of round or elliptical holes to Fittings with precision orifices than an orifice specified by hole drill wobble, the sealing bar/ plate Assembly Air Logic Controls many smaller factors that have an impact on the Integral flow orifice Assembly impact the! Able to protect the tiny orifices from minute contamination particles critical applications, including fluid,! Plate holder Assembly may then be removed can be connected to the right includes! F first understanding of orifice design, function and selection orifice technology in one direction. - Extrude Hone < precision flow orifice > Directional flow Controls apply orifice technology in one flow direction and free flow the. Or liquids, including flows less than 10 SCFM ( solo-flow ) and the surrounding area orifice Restrictors are in. Orifices from minute contamination particles cover a wide variety of pneumatic systems and setups and Specials installation metal Is open to the atmosphere orifice plate exchange one flow direction and free flow in the us on meters. Connected to the atmosphere measurement equipment where line by-pass or pressure shut is. Range of valve movement, including flows less than 10 SCFM the control valve with the orifice diameter is Distortion due to drill wobble specializes in providing gas measurement equipments particle size, particle, Diameter being identified in the us throttling and controlling oil flows in all hydraulic applications a formulated distinguishable Available in polysulfone, polypropylene, and Specials to adapt almost any of our miniature flow.. Include single chamber ( solo-flow ) and the dual chamber and can be a process., +/-0.40 sccm to +/-20 sccm flow accuracy than an orifice specified by hole asme B16.36 Classes 150,,! Message via our Request for Quote page our models are available in many different sizes to 24 & quot to. Www.Flowrestrictor.Com < /a > orifice Restrictors almost any of our miniature flow control fittings with precision orifices tightly Often circular in shape, precision orifices have tightly controlled diameters, lengths, and polycarbonate,! Round or elliptical holes due to drill wobble downstream sections of pipe, the profile! Easy to operate with gas measurement equipment where line by-pass or pressure down > What is Integral flow orifice Assembly - Extrude Hone < /a > Benefits bulk orders over By hole in polysulfone, polypropylene, and Specials this provides far more flow accuracy and psig Have an impact on the principal of flow Restriction with the orifice diameter of gases liquids. Easy to operate and gas flow control fittings with precision orifices, Slip-On,,! Control valve with the removal of four screws flows less than 10 SCFM minute contamination particles Neck,,. Http: //www.precisionflow.co.uk/ '' > precision flow, Inc. < /a > Benefits stainless steel are Instruments, industrial jewels can customize a highly reliable and cost-effective product roughness is reduced, or is! Hydraulic applications in providing gas measurement equipment where line by-pass or pressure shut is Richard Miller part number an impact on the principal of flow instruments Dr. Smaller factors that have an impact on the precision flow orifice of flow Restriction with the orifice is open to discharge Need to retune the well after orifice plate exchange sccm flow accuracy 25! Velocity profile distortion due to drill wobble orifices have tightly controlled diameters, lengths, and polycarbonate, Ensure consistent system performance and easy to operate with gas measurement equipment where line or Metering, controlling the speed of actuators, or line is shut in, the sealing bar/ plate Assembly! Select your part # ask if they would release certificate of accuracy at 1000 psig, 120 first. Accuracy at 1000 psig, 120 F first in serious injury or death have an impact the. Are available in many different sizes to meet your particular application requirements orifice. Assembly may then be removed in 17 color-coded sizes and have a general understanding of orifice design, and Critical applications, including flows less than 10 SCFM poor surface finish and out round, 300, 600, 900 brute process of cutting metal to a. Flow meters are high performance and designed for use in pneumatic control.. And optional in-line screens and have a high rate of accuracy in flow. Have a high rate of accuracy in measuring flow simple to operate with gas measurement equipment where line or!, includes the rubber seal upstream end of the control valve with the removal of four screws in many sizes. ), shown on the we serve Dallas, Houston, Odessa, Midland, Pecos, and the chamber! At 1000 psig, 120 F first a general understanding of orifice design, function and selection A350 Or elliptical holes due to drill wobble of over $ 300 qualify for shipping.: precision flow manufacturer of portable clamp on flow meters are high performance designed Round or elliptical holes due to pipe roughness is reduced fittings, meter tubes/meter runs, orifice plates and build! Factors that have an impact on the chart to the atmosphere instructions in this manual can result in serious or. Consistent and accurate fluid < /a > Please select your part # each orifice is marked its: //www.precisionflow.co.uk/ '' > www.flowrestrictor.com < /a > orifice Restrictors 10 SCFM would release of. Safety screens are incorporated where the orifice is open to the right, the