Parker O-Ring Handbook.pdf

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II Table of Contents Parker O-Ring Handbook Introduction – Section I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Basic O-Ring Elastomers – Section II . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 O-Ring Applications – Section III . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Static O-Ring Sealing – Section IV . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Dynamic O-Ring Sealing – Section V . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Back-up Rings – Section VI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Compatibility Tables for Gases, Fluids, Solids – Section VII . . . . . . . 7-1 Specifi cations – Section VIII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 Sizes – Section IX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1 Appendix – Section X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1 Index – Section XI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 Fax: (859) 335-5128 www.parkerorings.com
Section I – Introduction 1.0 How to Use This Handbook. . . . . . . . . . . . . . . . . . . 1-2 1.1 What is an O-Ring? . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1.2 What is an O-Ring Seal? . . . . . . . . . . . . . . . . . . . . . 1-2 1.3 Advantages of O-Rings . . . . . . . . . . . . . . . . . . . . . . 1-2 1.4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1.5 O-Ring Characteristics. . . . . . . . . . . . . . . . . . . . . . . 1-3 1.6 Limitations of O-Ring Use. . . . . . . . . . . . . . . . . . . . 1-4 1.7 Scope of O-Ring Use . . . . . . . . . . . . . . . . . . . . . . . . 1-4 1.7.1 Static Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 1.7.2 Reciprocating Seals . . . . . . . . . . . . . . . . . . . . . 1-5 1.7.3 Oscillating Seals. . . . . . . . . . . . . . . . . . . . . . . . 1-5 1.7.4 Rotary Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 1.7.5 Seat Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 1.7.6 Pneumatic Seals . . . . . . . . . . . . . . . . . . . . . . . . 1-5 1.7.7 Vacuum Seals . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 1.7.8 Cushion Installation . . . . . . . . . . . . . . . . . . . . . 1-6 1.7.9 Crush Installation . . . . . . . . . . . . . . . . . . . . . . . 1-6 1.7.10 Rod Wiper Installation . . . . . . . . . . . . . . . . . . 1-6 inPHorm is a trademark of Parker Hannifi n Corporation. Parker O-Ring Handbook 1.8 O-Rings as Drive Belts . . . . . . . . . . . . . . . . . . . . . . 1-6 1.9 Custom Molded Shapes . . . . . . . . . . . . . . . . . . . . . . 1-6 1.10 Parker Engineering. . . . . . . . . . . . . . . . . . . . . . . . . 1-6 1.11 Comparison of Common Seal Types . . . . . . . . . . . 1-7 1.12 Recommended Design Procedure . . . . . . . . . . . . . 1-7 1.12.1 O-Ring Design Procedure Using inPHorm O-Ring Design & Material Selection Software . . . . . . . . . . . . . . . . . 1-7 1.12.2 Recommended Manual Design Procedure. . . 1-7 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 Fax: (859) 335-5128 www.parkerorings.com Introduction 1-1
Page 1 and 2: aerospace climate control electrome
Page 3: 50 th 50 th 50 th Anniversary Editi
Page 7 and 8: 1.4 Operation All robust seals are
Page 9 and 10: 1.7.1 Static Seals In a truly stati
Page 11 and 12: 1.11 Comparison of Common Seal Type
Page 13 and 14: Section II - Basic O-Ring Elastomer
Page 15 and 16: 2.1.2 Rubber Rubber-like materials
Page 17 and 18: 2.2.6 Chloroprene Rubber (CR) Chlor
Page 19 and 20: 2.3 Compound Selection and Numberin
Page 21 and 22: O-ring seal, whether static or dyna
Page 23 and 24: Percent Compression 40% 30% 20% 10%
Page 25 and 26: Percent Compression 40% 30% 20% 10%
Page 27 and 28: Compression Set (% ) 100 Figure 2-1
Page 29 and 30: 2.4.12 Thermal Effects All rubber i
Page 31 and 32: coeffi cient of expansion for that
Page 33 and 34: 2.6 Aging Deterioration with time o
Page 35 and 36: A well-known rapid method for mater
Page 37 and 38: 2.13.2 Temperature Temperature rang
Page 39 and 40: 100 80 60 40 20 0 °C -50 °F -58 -
Page 41 and 42: misapplication might be greatly red
Page 43 and 44: c. Elongation Change Experience wil
Page 45 and 46: is possible to receive a part with
Page 47 and 48: Section III - O-Ring Applications 3
Page 49 and 50: 3.1.2 Temperature Operating tempera
Page 51 and 52: O-Lube has some unique advantages.
Page 53 and 54: Parker Boss Kit Sizes Size Dimensio
Page 55 and 56:
Recovery Percent of Original Delect
Page 57 and 58:
3.9.5 Fuels for Automobile Engines
Page 59 and 60:
Parker Seal produces a number of co
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3.9.16 Fungus-Resistant Compounds B
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3.9.17.2 Concentrates Containing Mi
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Where temperatures do not go below
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Permeability Rate - CC/SEC/ATM Effe
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Underwriters’ Laboratories Approv
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Parker Seal Elastic Drive Belt Comp
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Parker O-Ring Handbook Gas Permeabi
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Section IV - Static O-Ring Sealing
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The 4-3 and 4-7 design charts are o
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(e) 0° to 5° (Typ.) 63 Break Corn
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215 1.301 1.305 1.079 1.060 1.063 1
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Guide for Design Table 4-2 If Desir
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Parker O-Ring Handbook Gland Dimens
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Dovetail Grooves It is often necess
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Parker O-Ring Handbook This type of
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F .031 .016 RAD K Parker O-Ring Han
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Gland Detail 0° to 5° Break Corne
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Section V - Dynamic O-Ring Sealing
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When a cylinder rod extends out int
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It can be clearly seen from Figure
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5.11 Friction Friction, either brea
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5-9 Dynamic O-Ring Sealing Parker H
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For the same conditions, friction a
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5.15 Spiral Failure A unique type o
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5.16.1 Small Amount of Leakage 1. E
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Recommended dimensions for fl oatin
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for this service. See Section II, B
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5.30.2 Calculation of Drive Belt Cr
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Parker O-Ring Handbook Gland Design
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124 125 126 127 128 129 130 131 132
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240 241 242 243 244 245 246 247 325
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448 449 450 451 452 453 454 455 456
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X Gland Detail 0° to 5° Break Cor
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5.31.3 O-Ring Glands for Pneumatic
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Parker O-Ring Handbook Design Table
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5.31.4 O-Ring Glands for Rotary Sea
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Parker O-Ring Handbook Rotary O-Rin
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Parker O-Ring Handbook Rotary O-Rin
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Section VI - Back-Up Rings 6.1 Intr
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6.4.2 Metal Non-Extrusion Rings In
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Parker Parbak 8-Series Dimensions (
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Parker Parbak 8-Series Dimensions (
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Back-Up Rings Cross Reference (Cont
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Parker O-Ring Handbook Section VII
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COMPOUND COMPATIBILITY RATING 1 - S
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Section VIII - Specifi cations 8.1
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Military Fluid Specifi cation Descr
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AMS (1) and NAS (2) Rubber Specifi
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Parker O-Ring Handbook Compound Sel
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Section IX Sizes Parker Series 2-XX
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Table 9-1: Parker Series 2-XXX O-Ri
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Parker O-Ring Handbook Parker Serie
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Parker Series 5-XXX O-Ring Sizes (C
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Parker Series 5-XXX O-Ring Sizes (C
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Series 5-XXX Locator Table Size I.D
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Parker O-Ring Handbook Inside Diame
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JIS B2401 Sizes JIS Thickness Inner
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Parker O-Ring Handbook Unusual Size
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Parker O-Ring Handbook Unusual Size
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Section X - Appendix 10.1 O-Ring Fa
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10.1.1.2 Extrusion and Nibbling Ext
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10.1.1.6 Installation Damage Many O
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Parker Seal also has the capability
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10.3 Glossary of Seal and Rubber Te
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Flash: Excess rubber left around ru
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(b) REP (Roentgen equivalent-physic
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10.4 Abbreviations ACM Polyacrylate
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Compound Shrinkage Class Compound N
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Table 10-8: Dimensions From Standar
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Parker O-Ring Handbook Dimensions F
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Appendix 10-32 Parker O-Ring Handbo
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Index — A — Abbreviations. . .
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International O-Ring Standards and
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Offer of Sale 1. Terms and Conditio
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Parker’s Total inPHorm Take the g
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