A Guide to O-Ring Applications, Specifications and Elastomeric Materials

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Edgar Welch
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1 A Guide to O-Ring Applications, Specifications and Elastomeric Materials Products Include: FDA, 3A and Class VI Detectomer Cord Quad Rings

2 What is an O-ring? O-ring Specifications and Applications Seal design is an important factor in food, dairy, beverage and pharmaceutical processing. An o-ring is a very important part of that design. O-rings are generally installed in a seal to prevent leaking, or loss of fluid. Rubber Fab offers AS568 Standard o-rings, metric, DIN and custom sizes in a wide variety of materials. There are many factors to consider when choosing an elastomer for your application. O-rings and gaskets are FDA Compliant for use in food applications and Class VI tested for pharmaceutical applications. Rubber Fab Detectomer products meet and exceed the standards set by the Food Safety Modernization Act. They are detectable by in-line x-ray inspection and metal detection systems, as well as, magnetic separators, therefore reducing costly product loss and recalls. Physical Properties of an O-Ring Hardness: O-rings are available in medium-hard (70 durometer), softer (50 & 60 durometer) & harder (85+ durometer). Standard is 70, +/- 5 with other durometers available. Tensile Strength: is the force (measured in psi) needed to break an o-ring at its ultimate strain. This is a good measure to determine if an o-ring is at the end of its life from being exposed to certain fluids. Creep: the characteristic of all elastomers to show a gradual decrease in the o-rings shape under a constant load over time. Temperature: is important when choosing an o-ring. Not all elastomers will react the same way in the same application. Temperature plays a large part in how an o-ring will function. Rubber Fab s FDA, Class VI and Detectomer o-rings ship with a certificate of conformance, ensuring complete lot and batch traceability. Rubber Fab also offers solid cord stock for field fabrication. Available Materials Detectomer Tuf-Steel Buna EPDM FKM & Aflas FFKM Kalrez PTFE Platinum and Peroxide-Cured Silicone FEP Encapsulated EPDM, FKM & Silicone Other materials are available upon request Kalrez is a registered trademarks of E.I. du Pont de Nemours and Company or its affiliates. All rights reserved. CERTIFICATE OF COMPLIANCE U.S.P. CLASS VI Rubber Fab Technologies Group certifies that the material from which we manufacture the below mentioned parts has passed U.S.P. Class VI Cytotoxicity Testing and meets 3A and USDA Standards and are BSE/TSE compliant. Elastomer parts are FDA CFR 21, compliant, and PTFE, FEP, PFA and Tuf-Steel parts are FDA CFR 21, compliant. CUSTOMER NAME: CUSTOMER PO: PART NO.: DESCRIPTION: MATERIAL: LOT NUMBER: CURE DATE: C E R T I F I E D Rubber Fab Sample Sample Sample Sample Sample Sample Sean Kellie Mayer Cash Quality Quality Assurance Assurance Manager The material used to manufacture our EPDM, FKM Fluoroelastomer, Silicone, PTFE, and Tuf-Steel parts is Animal-Derived Ingredient-Free. Gaskets Hose Hose Assemblies Tubing Fittings Pump and Replacement Parts 26 Brookfield Drive, Sparta, NJ Phone: Fax:

Detectomer Metal Detectable/X-ray Inspectable O-rings Rubber Fab presents a full line of metal detectable/x-ray inspectable o-rings and cord.

processing equipment and pipework can degrade.

downtime. Detectomer Patent Number 9,701,827 Rubber Fab s line of Detectomer products are manufactured using FDA and 3A compounds.

Detectomer fragments can easily be detected allowing your system to quickly reject contaminated product, allowing worn elastomers to be replaced without great

Available Detectomer Materials (In Standard & FDA) Buna FKM Tuf-Steel EPDM Silicone Tuf-Steel Metal Detectable O-rings Composed of a unique proprietary blend

beverage industries. Tuf-Steel is ideal for extreme temperature applications, such as steam, hot oil and friers, where temperatures range from -350 F to 550 F.

Because the superior strength and chemical resistance of Tuf-Steel allows it to go the distance without leaking, it significantly reduces maintenance and

3 Detectomer Metal Detectable/X-ray Inspectable O-rings Rubber Fab presents a full line of metal detectable/x-ray inspectable o-rings and cord. Over time and repeated clean-in-place, sterilization, and handling during equipment cleaning, component parts used in food, beverage and pharmaceutical processing equipment and pipework can degrade. As the o-ring degrades, there is a high risk of material fragments breaking off, resulting in product contamination, product recall, product loss and costly downtime. Detectomer Patent Number 9,701,827 Rubber Fab s line of Detectomer products are manufactured using FDA and 3A compounds. O-rings can be spotted by in-line x-ray inspection and metal detection systems as well as magnetic separators. Detectomer fragments can easily be detected allowing your system to quickly reject contaminated product, allowing worn elastomers to be replaced without great expense or costly downtime. Available Detectomer Materials (In Standard & FDA) Buna FKM Tuf-Steel EPDM Silicone Tuf-Steel Metal Detectable O-rings Composed of a unique proprietary blend of non-pigmented PTFE and 316L passivated and atomized Stainless Steel, Tuf-Steel o-rings, are the strongest o-rings in the pharmaceutical, biotech, food and beverage industries. Tuf-Steel is ideal for extreme temperature applications, such as steam, hot oil and friers, where temperatures range from -350 F to 550 F. Tuf-Steel does not revert, eliminating creep and cold flow, resulting in a leak free seal. Because the superior strength and chemical resistance of Tuf-Steel allows it to go the distance without leaking, it significantly reduces maintenance and system downtime by staying in place when cleaning and validating a system. Testing and a decade of documented application usage has demonstrated that Tuf-Steel is the choice for perfect surface performance, outstanding durability and extended service life in both SIP (steam in place) and WFI (water for injection) applications. Tuf-Steel Benefits 500 CIP/SIP cycles guaranteed Minimal expansion/contraction stability with minimal thermal expansion Excellent chemical resistance Semi-rigid material No obstruction of flow Maintains sealing stability in T processes 3

Available Materials Detectomer - Buna, EPDM, FKM, & Silicone FDA - Buna, FKM EPDM & Silicone Non FDA Standard

Slide the o-ring down the cone to see what size is needed.

4 Quad Rings Double the Sealing Surface Quad rings are a unique o-ring with a unique profile, doubling the sealing surface of a traditional o-ring. This design also provides lower friction and because it has more of a square profile, and can resist spiral twisting. Available Materials Detectomer - Buna, EPDM, FKM, & Silicone FDA - Buna, FKM EPDM & Silicone Non FDA Standard Materials Quad Ring Profile O-ring Sizing Cone For Sizing O-rings Have an o-ring that you need to replace and you don t know what size it is? Rubber Fab s o-ring cone is the best solution for sizing o-rings when you are unsure of what to order. Slide the o-ring down the cone to see what size is needed. Makes for easy measuring as the numbers are printed directly on the cone. Insert the o-ring to determine the crossection then slide the o-ring down the corresponding side. How to Measure an O-ring There is a simple way to measure an o-ring. Of course we suggest an o-ring cone to make sure that the size is exactly what you need. Formula to determine an o-ring diameter is: Cut length = xx cross section = I.D. I.D. O.D. W 4

Encapsulated O-rings FEP Encapsulated Chemical attack and swelling are the primary causes of o-ring failure.

Encapsulated o-rings are virtually chemically inert and provide easy cleanup of viscous materials. These o-rings economically and effectively replace Kalrez and other exotic o-ring compounds.

Encapsulated o-rings are available in AS568 Dash sizes, metric and custom sizes. Encapsulated o-rings are phthalate free. PFA encapsulated o-rings available upon request.

Encapsulated EPDM: -65ºF to 300ºF Kalrez is a registered trademarks of E.I. du Pont de Nemours and Company or its affiliates. All rights reserved.

5 Encapsulated O-rings FEP Encapsulated Chemical attack and swelling are the primary causes of o-ring failure. Encapsulated o-rings match the chemical and temperature resistance of solid PTFE o-rings, and possess properties of elasticity and recovery, which are crucial in many sealing applications. Encapsulated o-rings are virtually chemically inert and provide easy cleanup of viscous materials. These o-rings economically and effectively replace Kalrez and other exotic o-ring compounds. Encapsulated o-rings will decrease downtime and hence increase profitability wherever corrosive fluids and gases cause premature seal failure. Encapsulated o-rings are available in AS568 Dash sizes, metric and custom sizes. Encapsulated o-rings are phthalate free. PFA encapsulated o-rings available upon request. Temperature Ranges by Elastomer FEP/PFA Encapsulated FKM: -10ºF to 300ºF FEP Encapsulated Silicone: -80ºF to 400ºF PFA Encapsulated Silicone: -80ºF to 500ºF Encapsulated O-ring Profile FEP Encapsulated EPDM: -65ºF to 300ºF Kalrez is a registered trademarks of E.I. du Pont de Nemours and Company or its affiliates. All rights reserved. Rubber Fab Has Cord For Custom O-rings Rubber Fab s cord is the perfect solution for custom o-ring sizes, as well as, in the field fabrication. FDA and Class VI materials are offered in both standard and metric. We stock metal detectable/x-ray inspectable FDA Blue Silicone cord in nominal and metric diameters, in 50 and 100 foot coils. Diameters range from or 1.6 mm - 7 mm diameter. Consult factory for other sizes. Available Materials Buna (Standard, FDA & Metal Detectable) EPDM (Standard, FDA & Class VI) FKM (Standard & FDA) Silicone (Detectomer, Standard, FDA, Class VI Consult factory for other materials 5

6 Buna O-rings Nitrile Rubber Buna is one of the most versatile of materials due to its resistance to many chemicals and good physical properties. Buna is the material of choice for food applications. It should not be exposed to direct sunlight as it will deteriorate. Buna s operating temperature is -22ºF to 212ºF and is manufactured in black and white. Buna is available in phthalate free, Standard, FDA and Detectomer. Physical Properties* of Buna Excellent Good Fair Poor Abrasion Resistance Compression Set Elongation Flame Resistance Gas Permeability Low Temperature Flexibility Tear Resistance Tensile Strength Chemical Resistance* of Buna Excellent Good Fair Poor Brake Fluid Dilute Acids Dilute Alkalis Hydraulic Fluids Ketones Ozone Petroleum Oils Silicone Fluids Steam Strong Acids Transmission Fluids Water Weather * Excellent, good, fair and poor are intended to serve as general guidelines only. Actual testing in the application environment is always recommended. 6

EPDM O-rings Ethylene Propylene EDPM is a versatile compound that works well in both low & high temperatures. It has an acceptable level when it comes to using it with steam and water.

7 EPDM O-rings Ethylene Propylene EDPM is a versatile compound that works well in both low & high temperatures. It has an acceptable level when it comes to using it with steam and water. EPDM has moderate to good resistance to a variety of chemicals, making it compound of choice for a variety of applications. EPDM temperature range is -58ºF to 302ºF and is manufactured in black and white. EPDM is available in phthalate free, Standard, FDA, Class VI and Detectomer. Physical Properties* of EPDM Excellent Good Fair Poor Abrasion Resistance Compression Set Elongation Flame Resistance Gas Permeability Low Temperature Flexibility Tear Resistance Tensile Strength Chemical Resistance* of EPDM Excellent Good Fair Poor Alcohols Dilute Acids Dilute Alkalis Gasoline Hydraulic Fluids Oxygenated Solvents Ozone Petroleum Oils & Greases Steam Water Weather * Excellent, good, fair and poor are intended to serve as general guidelines only. Actual testing in the application environment is always recommended. 7

FKM and Aflas FFKM O-rings Fluorocarbon FKM is a better grade compound which is well suited for prolonged exposure to oils at high operating temperatures. FKM is also good for steam applications.

8 FKM and Aflas FFKM O-rings Fluorocarbon FKM is a better grade compound which is well suited for prolonged exposure to oils at high operating temperatures. FKM is also good for steam applications. Operating temperature range is 2ºF to 392ºF and is manufactured in black, white and brown. FKM is phthalate free, Standard, FDA, Class VI and Detectomer. FFKM - combines the great chemical resistance of PTFE & FKM. This perfluoroelastomer is great for chemical plants as it can withstand highly corrosive fluids. FFKM s operating temperature range is -10ºF to 599ºF. FKM is available in phthalate free, Standard, FDA and Class VI. Aflas is unique due to it s resistance to petroleum products, steam and phosphateesters. Consult factory for availability. Physical Properties* of FKM Abrasion Resistance Compression Set Elongation Flame Resistance Gas Permeability Low Temperature Flexibility Tear Resistance Tensile Strength Excellent Good Fair Poor Chemical Resistance* of FKM Anhydrous Ammonia Dilute Acids Dilute Alkalis Ketones Ozone Petroleum Oils Solvents Steam Water Weather Excellent Good Fair Poor * Excellent, good, fair and poor are intended to serve as general guidelines only. Actual testing in the application environment is always recommended. 8

PTFE O-rings Polytetrafluoroethylene PTFE is a premium grade material that works well in harsh chemical applications because of its low moisture absorption and wide temperature range.

Physical Properties* of PTFE Excellent Good Fair Poor Abrasion Resistance Compression Set Elongation Flame Resistance Gas Permeability Low Temperature Flexibility Tear Resistance Tensile Strength

9 PTFE O-rings Polytetrafluoroethylene PTFE is a premium grade material that works well in harsh chemical applications because of its low moisture absorption and wide temperature range. Operating temperature range for PTFE is -300ºF to 500ºF and is manufactured in white. PTFE is available in phthalate free, Standard, FDA and Class VI. Physical Properties* of PTFE Excellent Good Fair Poor Abrasion Resistance Compression Set Elongation Flame Resistance Gas Permeability Low Temperature Flexibility Tear Resistance Tensile Strength Chemical Resistance* of PTFE Excellent Good Fair Poor Brake Fluid Dilute Acids Dilute Alkalis Hydraulic Fluids Ketones Ozone Petroleum Oils Silicone Fluids Steam Strong Acids Transmission Fluids Water Weather * Excellent, good, fair and poor are intended to serve as general guidelines only. Actual testing in the application environment is always recommended. 9

Silicone O-rings Silicone is the material of choice in pharmaceutical applications, and in sanitary water systems when PTFE is not feasible due to severely misaligned fittings.

Silicone is available in phthalate free, Standard, FDA, Class VI and Detectomer.

10 Silicone O-rings Silicone is the material of choice in pharmaceutical applications, and in sanitary water systems when PTFE is not feasible due to severely misaligned fittings. Silicone is very flexible at low temperatures and will not impart any taste or odor. The operating range is -70ºF to 390ºF and is manufactured in clear, white and red. Silicone is available in phthalate free, Standard, FDA, Class VI and Detectomer. Physical Properties* of Silicone Excellent Good Fair Poor Abrasion Resistance Compression Set Elongation Flame Resistance Gas Permeability Low Temperature Flexibility Tear Resistance Tensile Strength Chemical Resistance* of Silicone Excellent Good Fair Poor Dilute Acids Dilute Alkalis Ketones Ozone Petroleum Oils Steam Vegetable Oils Water Weather * Excellent, good, fair and poor are intended to serve as general guidelines only. Actual testing in the application environment is always recommended. 10

11 Standard O-ring Sizes by AS 568 Dash Numbers Custom Sizes are Available Call for Details Size Ref. AS 568 Nominal Size (inches) Actual Size (inches) Actual Size (Millimeters) Vol.Cu.In. I.D. O.D. Width I.D. C.S. I.D. C.S. Vol. Cu.Cent. #001 1/32 3/32 1/ ± ± ± ± #002 3/64 9/64 3/ ± ± ± ± #003 1/16 3/16 1/ ± ± ± ± #004 5/64 13/64 1/ ± ± ± ± #005 7/64 15/64 1/ ± ± ± ± #006 1/8 1/4 1/ ± ± ± ± #007 5/32 9/32 1/ ± ± ± ± #008 3/16 5/16 1/ ± ± ± ± #009 7/32 11/32 1/ ± ± ± ± #010 1/4 3/8 1/ ± ± ± ± #011 5/16 7/16 1/ ± ± ± ± #012 3/8 1/2 1/ ± ± ± ± #013 7/16 9/16 1/ ± ± ± ± #014 1/2 5/8 1/ ± ± ± ± #015 9/16 11/16 1/ ± ± ± ± #016 5/8 3/4 1/ ± ± ± ± #017 11/16 13/16 1/ ± ± ± ± #018 3/4 7/8 1/ ± ± ± ± #019 13/16 15/16 1/ ± ± ± ± #020 7/8 1 1/ ± ± ± ± #021 15/16 1-1/16 1/ ± ± ± ± # /8 1/ ± ± ± ± # /16 1-3/16 1/ ± ± ± ± # /8 1-1/4 1/ ± ± ± ± # /16 1-5/16 1/ ± ± ± ± # /4 1-3/8 1/ ± ± ± ± # /16 1-7/16 1/ ± ± ± ± # /8 1-1/2 1/ ± ± ± ± # /2 1-5/8 1/ ± ± ± ± # /8 1-3/4 1/ ± ± ± ± # /4 1-7/8 1/ ± ± ± ± # /8 2 1/ ± ± ± ± # /8 1/ ± ± ± ± # /8 2-1/4 1/ ± ± ± ± # /4 2-/8 1/ ± ± ± ± # /8 2-1/2 1/ ± ± ± ± # /2 2-5/8 1/ ± ± ± ± # /8 2-3/4 1/ ± ± ± ± # /4 2-7/8 1/ ± ± ± ± # /8 3 1/ ± ± ± ±

12 Standard O-ring Sizes by AS 568 Dash Numbers Size Ref. AS 568 Nominal Size (inches) Actual Size (inches) Actual Size (Millimeters) Vol.Cu.In. I.D. O.D. Width I.D. C.S. I.D. C.S. Vol. Cu.Cent. # /8 1/ ± ± ± ± # /4 3-3/8 1/ ± ± ± ± # /2 3-5/8 1/ ± ± ± ± # /4 3-7/8 1/ ± ± ± ± # /8 1/ ± ± ± ± # /4 4-3/8 1/ ± ± ± ± # /2 4-5/8 1/ ± ± ± ± # /4 4-7/8 1/ ± ± ± ± # /8 1/ ± ± ± ± # /4 5-3/8 1/ ± ± ± ± #051 to #101 O-Ring Sizes that are Custom - Consult Factory #102 1/16 1/4 3/ ± ± ± ± #103 3/32 9/32 3/ ± ± ± ± #104 1/8 5/16 3/ ± ± ± ± #105 5/32 11/32 3/ ± ± ± ± #106 3/16 3/8 3/ ± ± ± ± #107 7/32 13/32 3/ ± ± ± ± #108 1/4 7/16 3/ ± ± ± ± #109 5/16 1/2 3/ ± ± ± ± #110 3/8 9/16 3/ ± ± ± ± #111 7/16 5/8 3/ ± ± ± ± #112 1/2 11/16 3/ ± ± ± ± #113 9/16 3/4 3/ ± ± ± ± #114 5/8 13/16 3/ ± ± ± ± #115 11/16 7/8 3/ ± ± ± ± #116 3/4 15/16 3/ ± ± ± ± #117 13/16 1 3/ ± ± ± ± #118 7/8 1-1/16 3/ ± ± ± ± #119 15/16 1-1/8 3/ ± ± ± ± # /16 3/ ± ± ± ± # /16 1-1/4 3/ ± ± ± ± # /8 1-5/16 3/ ± ± ± ± # /16 1-3/8 3/ ± ± ± ± # /4 1-7/16 3/ ± ± ± ± # /16 1-1/2 3/ ± ± ± ± # /8 1-9/16 3/ ± ± ± ± # /16 1-5/8 3/ ± ± ± ± # /2 1-11/16 3/ ± ± ± ± # /16 1-3/4 3/ ± ± ± ±

13 Standard O-ring Sizes by AS 568 Dash Numbers Size Ref. AS 568 Nominal Size (inches) Actual Size (inches) Actual Size (Millimeters) Vol.Cu.In. I.D. O.D. Width I.D. C.S. I.D. C.S. Custom Sizes are Available Call for Details Vol. Cu.Cent. # /8 1-13/16 3/ ± ± ± ± # /16 1-7/8 3/ ± ± ± ± # /4 1-15/16 3/ ± ± ± ± # /16 2 3/ ± ± ± ± # /8 2-1/16 3/ ± ± ± ± # /16 2-1/8 3/ ± ± ± ± # /16 3/ ± ± ± ± # /16 2-1/4 3/ ± ± ± ± # /8 2-5/16 3/ ± ± ± ± # /16 2-3/8 3/ ± ± ± ± # /4 2-7/16 3/ ± ± ± ± # /16 2-1/2 3/ ± ± ± ± # /8 2-9/16 3/ ± ± ± ± # /16 2-5/8 3/ ± ± ± ± # /2 2-11/16 3/ ± ± ± ± # /16 2-3/4 3/ ± ± ± ± # /8 2-13/16 3/ ± ± ± ± # /16 2-7/8 3/ ± ± ± ± # /4 2-15/16 3/ ± ± ± ± # /16 3 3/ ± ± ± ± # /8 3-1/16 3/ ± ± ± ± # /16 3/ ± ± ± ± # /4 3-7/16 3/ ± ± ± ± # /2 3-11/16 3/ ± ± ± ± # /4 3-15/16 3/ ± ± ± ± # /16 3/ ± ± ± ± # /4 4-7/16 3/ ± ± ± ± # /2 4-11/16 3/ ± ± ± ± # /4 4-15/16 3/ ± ± ± ± # /16 3/ ± ± ± ± # /4 5-7/16 3/ ± ± ± ± # /2 5-11/16 3/ ± ± ± ± # /4 5-15/16 3/ ± ± ± ± # /16 3/ ± ± ± ± # /4 6-7/16 3/ ± ± ± ± # /2 6-11/16 3/ ± ± ± ± # /4 6-15/16 3/ ± ± ± ± # /16 3/ ± ± ± ± # /4 7-7/16 3/ ± ± ± ± # /2 7-11/16 3/ ± ± ± ±

14 Standard O-ring Sizes by AS 568 Dash Numbers Size Ref. AS 568 Nominal Size (inches) Actual Size (inches) Actual Size (Millimeters) Vol.Cu.In. I.D. O.D. Width I.D. C.S. I.D. C.S. Vol. Cu.Cent. # /4 7-15/16 3/ ± ± ± ± # /16 3/ ± ± ± ± # /4 8-7/16 3/ ± ± ± ± # /2 8-11/16 3/ ± ± ± ± # /4 8-15/16 3/ ± ± ± ± # /16 3/ ± ± ± ± # /4 9-7/16 3/ ± ± ± ± # /2 9-11/16 3/ ± ± ± ± # /4 9-15/16 3/ ± ± ± ± #179 - #200 O-Ring Sizes that are Custom - Consult Factory #201 3/16 7/16 1/8.171 ± ± ± ± #202 1/4 1/2 1/ ± ± ± ± #203 5/16 9/16 1/8.296 ± ± ± ± #204 3/8 5/8 1/8.359 ± ± ± ± #205 7/16 11/16 1/8.421 ± ± ± ± #206 1/2 3/4 1/8.484 ± ± ± ± #207 9/16 13/16 1/8.546 ± ± ± ± #208 5/8 7/8 1/8.609 ± ± ± ± #209 11/16 15/16 1/8.671 ± ± ± ± #210 3/4 1 1/8.734 ± ± ± ± #211 13/16 1-1/16 1/8.796 ± ± ± ± #212 7/8 1-1/8 1/8.859 ± ± ± ± #213 15/16 1-3/16 1/8.921 ± ± ± ± # /4 1/8.984 ± ± ± ± # /16 1-5/16 1/ ± ± ± ± # /8 1-3/8 1/ ± ± ± ± # /16 1-7/16 1/ ± ± ± ± # /4 1-1/2 1/ ± ± ± ± # /16 1-9/16 1/ ± ± ± ± # /8 1-5/8 1/ ± ± ± ± # / /16 1/ ± ± ± ± # /2 1-3/4 1/ ± ± ± ± # /8 1-7/8 1/ ± ± ± ± # /4 2 1/ ± ± ± ± # /8 2-1/8 1/ ± ± ± ± # /4 1/ ± ± ± ± # /8 2-3/8 1/ ± ± ± ± # /4 2-1/2 1/ ± ± ± ± # /8 2-5/8 1/ ± ± ± ±

15 Standard O-ring Sizes by AS 568 Dash Numbers Custom Sizes are Available Call for Details Size Ref. AS 568 Nominal Size (inches) Actual Size (inches) Actual Size (Millimeters) Vol.Cu.In. I.D. O.D. Width I.D. C.S. I.D. C.S. Vol. Cu.Cent. # /2 2-3/4 1/ ± ± ± ± # /8 2-7/8 1/ ± ± ± ± # /4 3 1/ ± ± ± ± # /8 3-1/8 1/ ± ± ± ± # /4 1/ ± ± ± ± # /8 3-3/8 1/ ± ± ± ± # /4 3-1/2 1/ ± ± ± ± # /8 3-5/8 1/ ± ± ± ± # /2 3-3/4 1/ ± ± ± ± # /8 3-7/8 1/ ± ± ± ± # /4 4 1/ ± ± ± ± # /8 4-1/8 1/ ± ± ± ± # /4 1/ ± ± ± ± # /8 4-3/8 1/ ± ± ± ± # /4 4-1/2 1/ ± ± ± ± # /8 4-5/8 1/ ± ± ± ± # /2 4-3/4 1/ ± ± ± ± # /8 4-7/8 1/ ± ± ± ± # /4 5 1/ ± ± ± ± # /8 5-1/8 1/ ± ± ± ± # /4 1/ ± ± ± ± # /8 5-3/8 1/ ± ± ± ± # /4 5-1/2 1/ ± ± ± ± # /8 5-5/8 1/ ± ± ± ± # /2 5-3/4 1/ ± ± ± ± # /8 5-7/8 1/ ± ± ± ± # /4 6 1/ ± ± ± ± # /8 6-1/8 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 6-1/2 1/ ± ± ± ± # /2 6-3/4 1/ ± ± ± ± # /4 7 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 7-1/2 1/ ± ± ± ± # /2 7-3/4 1/ ± ± ± ± # /4 8 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 8-1/2 1/ ± ± ± ± # /2 8-3/4 1/ ± ± ± ±

16 Standard O-ring Sizes by AS 568 Dash Numbers Size Ref. AS 568 Nominal Size (inches) Actual Size (inches) Actual Size (Millimeters) Vol.Cu.In. I.D. O.D. Width I.D. C.S. I.D. C.S. Vol. Cu.Cent. # /4 9 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 9-1/2 1/ ± ± ± ± # /2 9-3/4 1/ ± ± ± ± # /4 10 1/ ± ± ± ± # /4 1/ ± ± ± ± # /2 10-3/4 1/ ± ± ± ± # /4 1/ ± ± ± ± # /2 11-3/4 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 1/ ± ± ± ± # /4 1/ ± ± ± ± #285 to #308 O-Ring Sizes that are Custom - Consult Factory #309 7/16 13/16 3/ ± ± ± ± #312 5/8 1 3/ ± ± ± ± #313 11/16 1-1/16 3/ ± ± ± ± #314 3/4 1-1/8 3/ ± ± ± ± #315 13/16 1-1/2 3/ ± ± ± ± #316 7/8 1-1/4 3/ ± ± ± ± #317 15/16 1-5/16 3/ ± ± ± ± # /8 3/ ± ± ± ± # /16 1-7/16 3/ ± ± ± ± # /8 1-1/2 3/ ± ± ± ± # /16 1-9/16 3/ ± ± ± ± # /4 1-5/8 3/ ± ± ± ± # / /16 3/ ± ± ± ± # /8 1-3/4 3/ ± ± ± ± # /2 1-7/8 3/ ± ± ± ± # /8 2 3/ ± ± ± ± # /4 2-1/8 3/ ± ± ± ± # /8 2-1/4 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 2-1/2 3/ ± ± ± ± # /4 2-5/8 3/ ± ± ± ±

17 Standard O-ring Sizes by AS 568 Dash Numbers Custom Sizes are Available Call for Details Size Ref. AS 568 Nominal Size (inches) Actual Size (inches) Actual Size (Millimeters) Vol.Cu.In. I.D. O.D. Width I.D. C.S. I.D. C.S. Vol. Cu.Cent. # /8 2-3/4 3/ ± ± ± ± # /2 2-7/8 3/ ± ± ± ± # /8 3 3/ ± ± ± ± # /4 3-1/8 3/ ± ± ± ± # /8 3-1/4 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3-1/2 3/ ± ± ± ± # /4 3-5/8 3/ ± ± ± ± # /8 3-3/4 3/ ± ± ± ± # /2 3-7/8 3/ ± ± ± ± # /8 4 3/ ± ± ± ± # /4 4-1/8 3/ ± ± ± ± # /8 4-1/4 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 4-1/2 3/ ± ± ± ± # /4 4-5/8 3/ ± ± ± ± # /8 4-3/4 3/ ± ± ± ± # /2 4-7/8 3/ ± ± ± ± # /8 5 3/ ± ± ± ± # /4 5-1/8 3/ ± ± ± ± # /8 5-1/4 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 5-1/2 3/ ± ± ± ± # /4 5-5/8 3/ ± ± ± ± # /8 5-3/4 3/ ± ± ± ± # /2 5-7/8 3/ ± ± ± ± # /8 6 3/ ± ± ± ± # /4 6-1/8 3/ ± ± ± ± # /8 6-1/4 3/ ± ± ± ± # /8 3/ ± ± ± ± # /4 6-5/8 3/ ± ± ± ± # /2 6-7/8 3/ ± ± ± ± # /4 7-1/8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /4 7-5/8 3/ ± ± ± ± # /2 7-7/8 3/ ± ± ± ± # /4 8-1/8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /4 8-5/8 3/ ± ± ± ±

18 Standard O-ring Sizes by AS 568 Dash Numbers Size Ref. AS 568 Nominal Size (inches) Actual Size (inches) Actual Size (Millimeters) Vol.Cu.In. I.D. O.D. Width I.D. C.S. I.D. C.S. Vol. Cu.Cent. # /2 8-7/8 3/ ± ± ± ± # /4 9-1/8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /4 9-5/8 3/ ± ± ± ± # /2 9-7/8 3/ ± ± ± ± # /4 10-1/8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /2 10-7/8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /2 11-7/8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± # /8 3/ ± ± ± ± #396 to #424 O-Ring Sizes that are Custom - Consult Factory # /2 5 1/ ± ± ± ± # /8 5-1/8 1/ ± ± ± ± # /4 5-1/4 1/ ± ± ± ± # /8 5-3/8 1/ ± ± ± ± # /2 1/ ± ± ± ± # /8 5-5/8 1/ ± ± ± ± # /4 5-3/4 1/ ± ± ± ± # /8 5-7/8 1/ ± ± ± ± # /2 6 1/ ± ± ± ± # /8 6-1/8 1/ ± ± ± ± # /4 6-1/4 1/ ± ± ± ± # /8 6-3/8 1/ ± ± ± ±

19 Standard O-ring Sizes by AS 568 Dash Numbers Custom Sizes are Available Call for Details Size Ref. AS 568 Nominal Size (inches) Actual Size (inches) Actual Size (Millimeters) Vol.Cu.In. I.D. O.D. Width I.D. C.S. I.D. C.S. Vol. Cu.Cent. # /2 1/ ± ± ± ± # /4 6-3/4 1/ ± ± ± ± # /2 7 1/ ± ± ± ± # /4 7-1/4 1/ ± ± ± ± # /2 1/ ± ± ± ± # /4 7-3/4 1/ ± ± ± ± # /2 8 1/ ± ± ± ± # /4 8-1/4 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 9 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 10 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 11 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 12 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 13 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 14 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 15 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 16 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 17 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 18 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 19 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 20 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 1/ ± ± ± ± # /2 1/ ± ± ± ± Consult Factory for 900 Series, RJT and Metric Sizes 19

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20 Rubber Fab Offers a Complete Line of Sanitary Gaskets and Hoses Tri-Clamp Gaskets, Screens, Sock Screens, 150# Flanges, Orifice Plates and Vertical Orifice Plates Standard Number Sight Gauges: PTFE & Polysulfone High Purity Hose, Tubing, Sanitary Molded Ends in Various Different Materials Fittings & Adapters: 316L, Special Alloys & Non Metallic Rubber Fab is a member of: ISPE Distributed by: 26 Brookfield Drive Sparta, NJ Fax Rubber Fab rev 03/18 #RF-ORC616

A Guide to O-Ring Applications, Specifications and Elastomeric Materials

A Guide to O-Ring Applications, Specifications and Elastomeric Materials Products Include: FDA, 3A and Class VI Detectomer ionassure Antimicrobial Cord Quad Rings Vulcanizing What is an O-ring? O-ring