Hydraulic hose dash size chart. An incorrect hose size can cause leaks, pressure loss, inef...

Hydraulic hose dash size chart. An incorrect hose size can cause leaks, pressure loss, inefficiency, and even damage to equipment. sapphirehydraulics. The industry standard number denotes hose ID in sixteenths of an inch. For example, a hose whose dash size is -4 would have an inner diameter of 4/16” (or ¼”). Sep 13, 2025 · When it comes to plumbing, hydraulics, gardening, or industrial equipment, hoses are one of the most common and essential tools. Sep 26, 2023 · Hydraulic hose dash sizes range roughly from -2 to -32, so a -4 dash number would mean a hose with an ID of 4/16 in size or 1/4 of an inch. These charts show how dash size, inside diameter (ID), and metric conversions are related. For example, a -04 port is 4/16 or 1/4 inch. Of course, we will use various thread standards on the connector end, and the corresponding thread size will also vary. of a hydraulic hose or fitting in 1/16" increments. Dec 16, 2019 · The minimum bending radius for typical hydraulic hose in dash sizes from -4 to -16 can be read from Figure 2. It then provides Parker Hannifin Corporation 1) Selecting the proper hose size for a hydraulic system involves determining the inner diameter, outer diameter, and length of the hose. The male connector has an O-ring and a straight thread. Crimp chart for Gates Hoses. In order to give this traditional method of sizing hydraulic hoses and pipes an internet-age Jan 9, 2023 · 2. The DR2SN high-pressure hose comes into play during construction, machine, tool and agricultural applications where high temperature petroleum- or water-based hydraulic fluids are a factor. If you need additional information, our support team is happy to assist you. Inches Millimeters -2 1/8 How to use the nomographic chart To determine the recommended hose assembly size where the flow rate is known, lay a straight edge across the three columns so that the edge registers with the flow rate figure in the left hand scale, and the recommended velocity range in the right hand scale. Sep 16, 2021 · JIC fittings are flare fittings with straight threads used in hydraulic systems up to 310 bar. Jul 4, 2019 · Learn how to size hydraulic hoses correctly using a nomograph. A typical example of a JIC fittings chart is -6, where this fitting Jan 19, 2024 · People new to the hydraulic industry often ask what hose dash size means. The chart gives explicit information on dash sizes, tube outer diameters, and their corresponding threads, which greatly help the users in selecting appropriate fittings for their applications. e. Learn how to read hose markings to choose the right hose for your hydraulic system and ensure safety, compatibility, and reliable performance across different industrial and mobile applications. Convert dash sizes to inches or mm instantly. Sep 23, 2025 · Discover what the numbers on hydraulic hoses mean and how they indicate size, pressure rating, and standards. For long hoses and/or high viscosity oil, or if the flow of hydraulic fluid is continuous, it is recommended to use figures at the lower end of the Maximum Recommended Velocity range. Meets and exceeds the requirements of DOT FMVSS 106 type AII for truck air brake applications in sizes 3/16" thru 5/8". Sep 15, 2025 · Discover the complete hydraulic hose size chart with dash sizes, flow rates, and applications. com When oil velocities are higher than recommended in the chart, turbulent flow occurs, resulting in loss of pressure and excessive heating. Jan 26, 2026 · The dash size system is widely used in the hose industry to standardize the measurement of hose diameters. This comprehensive guide simplifies the process of selecting the correct hose size. Apr 2, 2020 · SAE thread ORFS Fittings size chart O-Ring Face Seal (SAE J1453) This connection forms an impressive leak resistance and can be used in applications up to 6000 psi. Ryco - Tech Note Regarding Dash Sizing Part Numbers. It’s very important to use the correct size and type of hose and fittings for your hydraulic system. Understand flow rates, dash sizes, and avoid pressure loss in your system. measurement is divided into 1/16” increments known as the “dash size. Dash sizing refers to the inside diameter of hydraulic hoses, tubes, or fittings, measured in 1/16-inch increments. How To Determine the Ideal Hydraulic Hose Size Nov 7, 2024 · Hydraulic hose size, often expressed in “dash sizes,” refers to the inner diameter (ID) of the hose. HOSE TYPE DN • Dash Size mm • inches 5 • -03 6 • -04 4,8 • 3/16” 6,4 • 1/4” M03400-04 M03400-05 M03400-06 Many customers who make hydraulic hose assemblies will face this common scenario: an end-user brings in a worn-out hydraulic hose to be replaced, but the couplings needed for this particular size hose are out of stock, back-ordered, or the store doesn’t stock the couplings needed to replicate the original hose assembly. The chart is typically organized by dash size and lists the corresponding hose or fitting size. Engineers, maintenance workers, and hydraulic distributors use these charts a lot to quickly find the right hose size for certain hydraulic systems. It lists fitting series that the charts apply to and different international fitting standards. The hydraulics industry has adopted a measur-ing system called Dash Numbers to indicate hose and coupling size. Find the right fit for your application with our guide. I am old-fashioned - I prefer good old nomograms and a ruler to calculators and specialized software - a harmless tribute to tradition, if you will, like using an analog pressure gauge over a digital one - simple and instantaneous. Find correct thread sizes and dash sizes for all fittings. Minimum bend radius is related to hose diameter and operating pressure. Note: While most SAE The dash number designates the size in sixteenths of an inch (i. Hydraulic hose sizing refers to the precise determination of the appropriate dimensions for a hydraulic hose to ensure it functions optimally within a hydraulic system. The number which precedes the hose or coupling description is the dash size (table below). and coupling size. Therefore, in the example of 1/2” ID hose it is designated as –8, from the numerator of 1/2” equaling 8/16”, and a 2” hose would be 32/16 designated as –32, and so on. Trusted hydraulic supply and expert support from Hydpower. People that are new to the hydraulic and pneumatic industries often ask: What is a dash size? Simply put, a dash size refers to a diameter of a hose, tube or fitting in 1/16" increments. ), and understanding the dash size that correlates with these dimensions. Crimping diameters have been validated for these outer diameters of the hoses. Dash Sizes for Hose and Tubing Dash sizes are commonly used to designate hose I. The seal takes place between the male flare and female cone seat. The dash size represents the nominal inside diameter (ID) of the hose in sixteenths of an inch. SAE 100 R2 steel wire reinforced hydraulic hose is often used in mobile equipment, such as farm tractor, dump truck and in-plant hydraulic equipment. The female half has a machined flat surface with a straight thread. Nomogram Mar 14, 2022 · Dash size is an industry standard for measurement of Inner Diameter (ID) of the hydraulic hose or fitting, where every increment represents a change in value by 1/16″. , plastic tubing and metal tubing O. Selecting the right hose size with this nomograph, you can easily select the correct hose id size, desired flow rate and recommended flow velocity. This standardized system, used widely in the fluid power industry, makes it easy to quickly identify a hose’s size. What Is a JIC Fitting Size Chart? The JIC fittings size chart stands as a highly valuable reference to anyone using these fittings. 3) A nomograph chart can be used to determine the required inner Jan 20, 2026 · Learn how to choose the right hydraulic hose size with this complete guide. Apr 11, 2025 · In hydraulic hoses, the dash size refers to the industry standard sizing system used to identify the size of the hose. Hydraulic Thread Identification guide including BSP thread, JIC thread, ORFS O-ring Face Seal thread, Metric threads, Flanges, NPT - National Pipe Thread. D. ) in sixteenths of an inch. Available in multiple pressure ratings, reinforcement options, and custom hose assemblies from a trusted manufacturer. AMERICAN WIRE GAUGE (AWG) TO DECIMAL INCHES HOSE ID (DASH SIZE) TO FRACTIONAL INCHES/MILLIMETERS SAE Dash Size equals OD of the tubing, which has approximately the same ID as the hose, expressed in 1/16" This type of seal is found on National Pipe Straight Mechanical (NPSM), British Standard Pipe Parallel (BSPP), JIC, SAE, JIS, Komatsu, DIN, North American Stand Pipe, Metric Stand Pipe, Inverted Flare and Kobelco. a dash size refers to a diameter of a hose, tube or fitting in 1/16" increments. It is crucial to measure the hydraulic hose diameter accurately to ensure optimal system performance and prevent equipment failure or safety hazards. Therefore, these diameters can change depending on the hose. com to learn more. Learn more about their design, uses, and SAE J514 standard. Dash No. High-quality 3/8 inch hydraulic hose designed for industrial and mobile equipment. The Dash Number is the measure of a hose’s Inner Diameter (I. The exception to this is the SAE 10R5, SAE 100R14 hoses as well as SAEJ51 and SAE J2064 Toll Free : 1-866-652-8728 Phone : 1-519-652-6373 Fax : 1-519-652-0392 Email : info@checkfluid. 6 days ago · A hydraulic hose dash size chart shows all the most common hydraulic hose diameters in both inches and metric units. 5 days ago · The dash size represents the hose’s inner diameter in 1/16-inch increments. SAE Thread Dash Size Chart hydraulic fittings SAE Dash thread chart is for JIC 37 degree flare fittings, ORFS fittings, SAE 45 degree Flare Fittings, flange fittings as follows: Jul 30, 2025 · Standard hydraulic hose sizes are almost always identified by a “dash size” which represents the hose’s inner diameter (ID) in sixteenths of an inch. Hose Dimensions: Inner and outer diameter of the hose, matching the Dash size. The high pressure Code 62 assembly flanges have a larger diameter and thick-ness than the standard pressure Code 61 flanges. Nov 25, 2021 · Hydraulic hose size guide to help you select and purchase the right hose and fittings. The document provides information about RYCO's part numbering system for hose fittings and connections. Jan 20, 2026 · Learn how to choose the right hydraulic hose size with this complete guide. Whether you're working with garden hoses, pressure washers, high-pressure hydraulic hoses, or industrial hoses, you’ll find the perfect connection solution with us— precise, reliable, and tailored to your We would like to show you a description here but the site won’t allow us. 2) The inner diameter impacts fluid flow velocity - an oversized inner diameter results in slow performance while an undersized inner diameter causes excessive pressure drops and leaks. a reliable, no-slip clamping surface. Hydraulic hose size chart with complete dash sizes, inside and outside diameters, pressure ratings, flow capacity, and SAE standards to help you choose the correct hose size. Find the intersection of flow rate and recommended velocity with a straight edge. Simply put, a dash size refers to an I. The fluid power industry uses a system of measurement called Dash Numbers or Dash Sizes to identify hose and fitting size. txt) or read online for free. The same male also mates with the DIN system Metric Tube, Tube Nut and Compression Olive (Cutting Ring). This can confuse many people. Oct 11, 2024 · This quick guide will demystify hydraulic hose dash sizes, empowering you to make informed decisions for efficient and reliable hydraulic operations, saving you time and preventing costly errors. The point at which the straight edge intersects the centre scale indicates the recommended hose bore size. The Connection Types this applies to are as follows: Hydraulic Fittings Size Chart includes NPT, JIC, BSP, ORFS, ORB etc. ” For example, a hose measuring 3/4” ID will be shown as a “-12” coming from the numerator of the fraction of 3/4″=12/16”. Hydraulic Hose from one manufacturer is usually not compatible with fittings supplied by another manufacturer. Whether you’re connecting a garden hose to a spigot, using a hydraulic line in heavy machinery, or setting up an air compressor, getting the right hose size is crucial. D. Dash Numbers Most fluid pipe and tube sizes in the United States are identified by dash numbers, abbreviations that make ordering components easier. There is not enough height clearance for a 90° to fit 'under' a swept 90° in any of the sizes. Proper sizing is critical to the performance and Selecting Hose Size by Flow Capacity Flow capacity nomogram Flow capacities of Intertraco hose at recommended flow velocities The chart below is provided as an aid in the determination of the correct hose size. Both the JIC male and JIC female fittings have 37° seat with straight threads. AN fitting hose size chart AN fittings are commonly used in racing and high-performance automotive industries for hydraulic lines, fuel systems, and oil coolers. To use, simply insert the hose into its proper slot indicated by dash size, push it all the way in, check for square cut (maximum allowable angle of cut is five degrees), then mark the insertion depth on the hose . The seal is made when the O-ring is squeezed into the Dash Numbers Most fluid pipe and tube sizes in the United States are identified by dash numbers, abbreviations that make ordering components easier. When oil velocities are higher than recommended in the chart, turbulent flow occurs, resulting in loss of pressure and excessive heating. However, you do stock the correct couplings in a smaller hose size Aug 4, 2025 · Our comprehensive Hose Thread Size Chart is here to help you accurately identify the right hose and fitting for your specific needs. For example, -6 hose would indicate a hose with inside diameter of 6/16″ – or 3/8″. ), outer diameter (O. See hose speci cations shown in this catalog for the cor ect resleeve to match each hose size. Many customers who make hydraulic hose assemblies will face this common scenario: an end-user brings in a worn-out hydraulic hose to be replaced, but the couplings needed for this particular size hose are out of stock, back-ordered, or the store doesn’t stock the couplings needed to replicate the original hose assembly. 6 days ago · A hydraulic hose size chart is often used to help engineers, technicians, and equipment operators quickly find the right hose size. Hydraulic Hose Fittings & Connector Sizes Charts izes and types currently i use by pipefitters and other professiona www. Dash size systems in common use: Hydraulic Hose Fittings & Connector Sizes Charts izes and types currently i use by pipefitters and other professiona www. Find dash 4, dash 6, dash 8, dash 12, dash 16 sizes. xlsx Aug 26, 2019 · Jic fitting end/ hex wrench size chart Aug 26, 2019 JIC 37° Thread size dash Identifcation and Torque value as follow: JIC Fitting Size- Dash Size- Thread Size -Torque ft/lbs JIC 2 -02 5/16-24 6-7 JIC 3 -03 3/8-24 6-9 JIC 4 -04 7/16-20 9-12 JIC 5 -05 ½-20 14-15 JIC 6 -06 9/16-18 18-20 JIC 8 -08 ¾-16 27-39 JIC 10 -10 7/8-14 36-63 JIC 12 -12 1 High-quality 3/8 inch hydraulic hose designed for industrial and mobile equipment. The Tire Repairer repairs damaged tires of automobiles, buses, trucks, and other automotive vehicles, raises vehicle, using hydraulic jack, and unbolts wheel, using lug wrench, removes wheel from vehicle by hand or, when repairing giant tires of heavy equipment, by use of power hoist, locates puncture in tubeless tire by visual inspection or by . Therefore an SAE O-ring is to be used when substituting a Komatsu flange hose fitting with an SAE flange hose fitting. The RYCO DASH SIZE for a JIC Hose Tail, 3/8'' Hose to 3/8'' Tube Size is therefore -0609 (not -0606). NOTE: Before cutting an original hose assem-bly, measure the overall assembly length and fitting orientation. Jan 19, 2024 · People new to the hydraulic industry often ask what hose dash size means. LENGTH Designed to repair damaged Hydraulic Hoses or to be used in new Hydraulic Hose assemblies, without using expensive equipment Please note. Keep in mind, some hydraulic hoses still are not sized by this chart, but the vast majority are. Simply put, the dash size refers to the ID of a hose in 1/16" increments. The chart below provides a reference for dash numbers and their corresponding hose sizes in inches. Diferent angles are used to create the seal, but the angles are cut two diferent ways, Standard and Inverted. Hydraulic Dash Size Reference Chart The document provides information about RYCO's part numbering system for hose fittings, specifically: 1) For fittings with inch-sized tubing, the thread size rather than the tube size determines the dash size part number. Proper sizing ensures efficient system performance, avoiding issues like leaks or pressure loss. In the hose industry, a nomographic chart helps users choose the appropriate hose size. Free hydraulic hose dash size chart and calculator. Comprehensive hydraulic fitting size chart with JIC, NPT, ORFS, BSP, and Metric standards. The Connection Types this applies to are as follows: Hydraulic hoses are often sized by a dash number. A “-6” hose, for instance, has an ID of 6/16th of an inch, or 3/8 inch. -03 is 3/16"), except for SAE 100R5 transportation and refrigerant hose. The female port of the O-Ring Boss has a sealing face, chamfer, and a straight thread. Use this page as your central reference for selecting Dash lines and fittings. Dash Size (AN): Designation of the line size. Apr 2, 2020 · SAE thread ORB fitting size chart SAE Straight Thread O-ring (O-Ring Boss) SAE J1926-1 and ISO 11296-1 It is port connection from stud end, also is male to female SAE thread connection fittings. Example: at 45l/min (12 Gal/min), what is the proper hose size within the recommended velocity range for pressure lines? Jan 7, 2024 · Dash Size When it comes to hydraulic hose, a useful feature for identifying hose ID is dash size. Dash numers Most fluid piping system sizes are measured by dash numbers. Please check out this blog for more details about the fittings charts. Feb 16, 2016 · The hydraulics industry has adopted a measuring system called Dash Numbers to indicate hose and coupling size. For other hose styles, select resleeve with an I Dash numers Most fluid piping system sizes are measured by dash numbers. This makes it easy for people to figure out what size hose they need for their hydraulic systems. This system allows manufacturers, suppliers, and users to easily identify and specify the correct hose size for a particular application. A seal takes place when the O-ring on the male end is squeezed onto the female flat surface The document provides charts detailing common hydraulic hose fitting sizes and types used by professionals including JIC, NPT, SAE, and ORFS fittings. May 6, 2020 · Komatsu Flange SAE size chart Komatsu Flange SAE Hydraulic fittings are used for Japanese company construction machinery such as excavator, loader etc, it is almost identical to the SAE Code 61 flange fittings and completely interchangeable. Below is a handy chart that shows the hydraulic hose sizes in dash number, inch and millimeter. The straight threads of the each half hold the connection together mechanically. Meets and exceeds the requirements of SAE 100R5 and SAE J1402 type AII for hydraulic service in all sizes. This differs from tube measurements, which are categorized by OD. The male half of the connection has an O-ring with a straight thread. These measurements will be required to build the replacement assembly. Dash numbers are usually nominal (in name only) and are abbreviations that make ordering of components easier. Ensure safe, efficient hydraulic system performance. Apr 7, 2022 · In the vast majority of common hydraulic hoses, the I. pdf - Free download as PDF File (. For example, a -04 port or connector is 4/16 or 1/4 inch. Apr 2, 2020 · SAE thread JIC fitting size chart SAE J514 37° Flare (also known as JIC) This is a very common connection in Hydraulic fluid power applications. Understand the basic hydraulic hose sizing chart to ensure properfunction. Parker Hannifin Corporation Adequate sizing of hydraulic hoses is an essential step of any project. It is the responsibility of the hose assembly fabricator to consult the manufacturer’s written assembly instructions or the manufacturers directly before intermixing hose and fittings from two manufacturers. Female DKL sizes up to and including M26 have a universal 24°/60° cone and can be used in place of female DKM fittings with 60° cone. Understand hose dimensions, dash sizes, and flow factors to optimize system performance. However the O-ring sizes are different. The resleeve hose ame shield can pre ent or delay hose lines from burning. It notes that for some connection types like JIC 37° flare, the thread size rather than the tube size determines the dash size part number. These are universally used abbreviations for the size of component expressed as the numerator of the fraction with the denominator always being 16. Mar 28, 2023 · For most common hydraulic hoses, the I. The exception to this is the SAE100R5 hoses C5C, C5D, C5E and C5M, as well as C14 PTFE hose and AC134a Refrigerant hose, where dash sizes denote hose ID equal to equivalent tube OD. Use a nomograph or conversion chart to match the dash size with your system’s flow rate and velocity. pdf), Text File (. Includes DN to dash conversion, PSI to Bar converter, and complete dash number size chart. this blog - How to choose hose dash size? (with dash size chart) will help you choose dash size for your hose. However, you do stock the correct couplings in a smaller hose size anonymous Hydraulic Hose Size Chart Jan 13, 2025 · Dash size of connector In GEMCO’s part number 1N143-6-4, “-6 ” indicates a 3/8” NPTF fixed external thread connector end, and “-4” indicates that the compatible hose size is 1/4”. Size: ID (Inside Diameter) The hydraulics industry has adopted a measuring system called Dash Numbers to indicate hose and coupling size. Use this chart to select the right hose dash size for your application. is in 1/16” increments known as the dash size. Dec 16, 2025 · What is dash size? In short, dash size refers to the diameter of a hose, tube, or fitting in 1/16-inch increments. Understand ID vs OD, SAE dash sizes, sizing charts, and selection tips for efficient hydraulic systems. Explore hose sizes, crimp charts and reference index for effective hose assembly. ie on a valve bank, you will need an adapter, to give clearance height. Each style and size has a unique bolt pattern. This involves accurately measuring and selecting the hose’s inner diameter (I. Thread Size: Outer and inner thread sizes. Dash numbers are commonly expressed as the numerator of a fraction where the denominator is always 16. Aug 26, 2025 · Learn how to size hydraulic hoses correctly. The number which precedes the hose or coupling description is the dash size. tezw tfea rit xzpvd olnhv vbuy knjg mhhytz njbz gpplmst