Parker O-Ring Handbook.pdf

More documents

Recommendations

Info

Introduction 1-8 Statement of Problem 1. Seal Type 2. Fluid Sealed (In sequence if multiple) Parker O-Ring Handbook A. B. C. D. Material Spec. 3. Temperature High Low Working 4. Pressure High Low Working 5. Applied Pressure Uni-Directional Steady Surge 6. Gland Dimensions (If separate, groove wall) 7. Max. Stretch at Installation Bi-Directional Fluctuating Frequency OD Finish Material ID Finish Material Finish Material 8. Assembly Problems Dirt Lint Lube Moving Seals Twisted Blind Pinching Over Threads Corners, Holes, Etc. 9. Length of Stroke (Reciprocating) Arc of Travel (Oscillating) Surface Speed (Rotary) Frequency (Oscillating or Reciprocating) 10. Shaft Bearings No Side Loading Effect Eccentricity 11. Operating Clearance Max. Min. 12. Leakage Tolerance 13. Friction Tolerance Breakaway Running 14. Anticipated Overhaul Period Ease of Access and Replacement 15. Lubrication By Fluid Sealed External 16. Cleanliness Protected Open Bad O-Ring Size No. And Parker Compound No. Or Military Part No. 17. Please include a drawing or sketch if needed to clarify the assembly, and add any other pertinent information. NOTE: For O-rings molded of compounds having other than standard shrinkage, determine the fi nished dimensions and tolerances as described in the Appendix (Section X). Table 1-2: Statement of Problem 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 II – Basic O-Ring Elastomers 2.0 Elastomers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 2.1 Introduction to Elastomers. . . . . . . . . . . . . . . . . . . . 2-2 2.1.1 Polymer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 2.1.2 Rubber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.1.3 Elastomer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.1.4 Compound . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.2 Basic Elastomers for O-Ring Seals . . . . . . . . . . . . . 2-3 2.2.1 Acrylonitrile-Butadiene (NBR) . . . . . . . . . . . . 2-3 2.2.2 Carboxylated Nitrile (XNBR) . . . . . . . . . . . . . 2-4 2.2.3 Ethylene Acrylate (AEM, Vamac ® ) . . . . . . . . . 2-4 2.2.4 Ethylene Propylene Rubber (EPR, EPDM) . . . 2-4 2.2.5 Butyl Rubber (IIR) . . . . . . . . . . . . . . . . . . . . . . 2-4 2.2.6 Chloroprene Rubber (CR) . . . . . . . . . . . . . . . . 2-5 2.2.7 Fluorocarbon (FKM, FPM) . . . . . . . . . . . . . . . 2-5 2.2.8 Fluorosilicone (FVMQ) . . . . . . . . . . . . . . . . . . 2-5 2.2.9 Hydrogenated Nitrile (HNBR). . . . . . . . . . . . . 2-5 2.2.10 Perfl uoroelastomer (FFKM). . . . . . . . . . . . . . 2-6 2.2.11 Polyacrylate (ACM) . . . . . . . . . . . . . . . . . . . . 2-6 2.2.12 Polyurethane (AU, EU) . . . . . . . . . . . . . . . . . 2-6 2.2.13 Silicone Rubber (Q, MQ, VMQ, PVMQ) . . . 2-6 2.2.14 Tetrafl uoroethylene-Propylene (AFLAS ® ) (FEPM). . . . . . . . . . . . . . . . . . . . . . . . 2-6 2.3 Compound Selection and Numbering Systems . . . . 2-7 2.3.1 Selection of Base Polymer . . . . . . . . . . . . . . . . 2-7 2.4 Physical and Chemical Characteristics . . . . . . . . . . 2-8 2.4.1 Resistance to Fluid . . . . . . . . . . . . . . . . . . . . . . 2-8 2.4.2 Hardness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 2.4.3 Toughness. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 2.4.4 Tensile Strength . . . . . . . . . . . . . . . . . . . . . . . 2-10 2.4.5 Elongation . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 2.4.6 O-Ring Compression Force . . . . . . . . . . . . . . 2-10 2.4.7 Modulus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 2.4.8 Tear Resistance. . . . . . . . . . . . . . . . . . . . . . . . 2-13 2.4.9 Abrasion Resistance . . . . . . . . . . . . . . . . . . . . 2-13 2.4.10 Volume Change . . . . . . . . . . . . . . . . . . . . . . 2-13 2.4.11 Compression Set. . . . . . . . . . . . . . . . . . . . . . 2-14 2.4.12 Thermal Effects . . . . . . . . . . . . . . . . . . . . . . 2-17 2.4.13 Resilience . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 2.4.14 Deterioration . . . . . . . . . . . . . . . . . . . . . . . . 2-18 2.4.15 Corrosion . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 2.4.16 Permeability . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 Vamac ® is a registered trademark of E.I. du Pont de Nemours & Co. AFLAS ® is a registered trademark of Asahi Glass Co., Ltd. Parker O-Ring Handbook 2.4.17 Joule Effect. . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 2.4.18 Coeffi cient of Friction . . . . . . . . . . . . . . . . . 2-19 2.4.19 Electrical Properties . . . . . . . . . . . . . . . . . . . 2-19 2.4.20 Coeffi cient of Thermal Expansion . . . . . . . . 2-19 2.4.21 Effects on Properties . . . . . . . . . . . . . . . . . . 2-20 2.5 Standard Test Procedures. . . . . . . . . . . . . . . . . . . . 2-20 2.5.1 Test Specimens. . . . . . . . . . . . . . . . . . . . . . . . 2-20 2.5.2 Test Method Variables . . . . . . . . . . . . . . . . . . 2-20 2.5.3 Effects of Environment on Testing. . . . . . . . . 2-20 2.6 Aging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21 2.7 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21 2.8 Cure Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21 2.9 Age Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21 2.10 Shrinkage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21 2.11 Compound Selection . . . . . . . . . . . . . . . . . . . . . . 2-22 2.11.1 Non-Pioneering Design . . . . . . . . . . . . . . . . 2-22 2.11.2 Pioneering Design . . . . . . . . . . . . . . . . . . . . 2-22 2.12 Rapid Methods for Predicting the Compatibility of Elastomers with Mineral Based Oils . . . . . . . . . 2-22 2.12.1 Aniline Point Differences. . . . . . . . . . . . . . . 2-22 2.12.2 Elastomer Compatibility Index . . . . . . . . . . 2-23 2.13 Operating Conditions. . . . . . . . . . . . . . . . . . . . . . 2-24 2.13.1 Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24 2.13.2 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 2-25 2.13.3 Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26 2.13.4 Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26 2.13.5 Mechanical Requirements . . . . . . . . . . . . . . 2-28 2.14 Selecting a Compound . . . . . . . . . . . . . . . . . . . . . 2-28 2.15 Compound Similarity. . . . . . . . . . . . . . . . . . . . . . 2-28 2.16 Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28 2.17 Specifi cations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29 2.18 Qualifi cation Testing . . . . . . . . . . . . . . . . . . . . . . 2-30 2.18.1 Original Physical Properties. . . . . . . . . . . . . 2-30 2.18.2 Aged Physical Control . . . . . . . . . . . . . . . . . 2-30 2.19 Process Control . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 Fax: (859) 335-5128 www.parkerorings.com Basic O-Ring Elastomers 2-1
Page 1 and 2: aerospace climate control electrome
Page 3 and 4: 50 th 50 th 50 th Anniversary Editi
Page 5 and 6: Section I - Introduction 1.0 How to
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: 1.11 Comparison of Common Seal Type
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
Page 61 and 62: 3.9.16 Fungus-Resistant Compounds B
Page 63 and 64:
3.9.17.2 Concentrates Containing Mi
Page 65 and 66:
Where temperatures do not go below
Page 67 and 68:
Permeability Rate - CC/SEC/ATM Effe
Page 69 and 70:
Underwriters’ Laboratories Approv
Page 71 and 72:
Parker Seal Elastic Drive Belt Comp
Page 73 and 74:
Parker O-Ring Handbook Gas Permeabi
Page 75 and 76:
Page 77 and 78:
Page 79 and 80:
Page 81 and 82:
Section IV - Static O-Ring Sealing
Page 83 and 84:
The 4-3 and 4-7 design charts are o
Page 85 and 86:
(e) 0° to 5° (Typ.) 63 Break Corn
Page 87 and 88:
215 1.301 1.305 1.079 1.060 1.063 1
Page 89 and 90:
Guide for Design Table 4-2 If Desir
Page 91 and 92:
Parker O-Ring Handbook Gland Dimens
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Dovetail Grooves It is often necess
Page 101 and 102:
Parker O-Ring Handbook This type of
Page 103 and 104:
F .031 .016 RAD K Parker O-Ring Han
Page 105 and 106:
Gland Detail 0° to 5° Break Corne
Page 107 and 108:
Section V - Dynamic O-Ring Sealing
Page 109 and 110:
When a cylinder rod extends out int
Page 111 and 112:
It can be clearly seen from Figure
Page 113 and 114:
5.11 Friction Friction, either brea
Page 115 and 116:
5-9 Dynamic O-Ring Sealing Parker H
Page 117 and 118:
For the same conditions, friction a
Page 119 and 120:
5.15 Spiral Failure A unique type o
Page 121 and 122:
5.16.1 Small Amount of Leakage 1. E
Page 123 and 124:
Recommended dimensions for fl oatin
Page 125 and 126:
for this service. See Section II, B
Page 127 and 128:
5.30.2 Calculation of Drive Belt Cr
Page 129 and 130:
Parker O-Ring Handbook Gland Design
Page 131 and 132:
124 125 126 127 128 129 130 131 132
Page 133 and 134:
240 241 242 243 244 245 246 247 325
Page 135 and 136:
448 449 450 451 452 453 454 455 456
Page 137 and 138:
X Gland Detail 0° to 5° Break Cor
Page 139 and 140:
Page 141 and 142:
5.31.3 O-Ring Glands for Pneumatic
Page 143 and 144:
Parker O-Ring Handbook Design Table
Page 145 and 146:
5.31.4 O-Ring Glands for Rotary Sea
Page 147 and 148:
Parker O-Ring Handbook Rotary O-Rin
Page 149 and 150:
Parker O-Ring Handbook Rotary O-Rin
Page 151 and 152:
Section VI - Back-Up Rings 6.1 Intr
Page 153 and 154:
6.4.2 Metal Non-Extrusion Rings In
Page 155 and 156:
Parker Parbak 8-Series Dimensions (
Page 157 and 158:
Parker Parbak 8-Series Dimensions (
Page 159 and 160:
Back-Up Rings Cross Reference (Cont
Page 161 and 162:
Parker O-Ring Handbook Section VII
Page 163 and 164:
COMPOUND COMPATIBILITY RATING 1 - S
Page 165 and 166:
Page 167 and 168:
Page 169 and 170:
Page 171 and 172:
Page 173 and 174:
Page 175 and 176:
Page 177 and 178:
Page 179 and 180:
Page 181 and 182:
Page 183 and 184:
Page 185 and 186:
Page 187 and 188:
Page 189 and 190:
Page 191 and 192:
Page 193 and 194:
Page 195 and 196:
Page 197 and 198:
Page 199 and 200:
Page 201 and 202:
Page 203 and 204:
Page 205 and 206:
Page 207 and 208:
Page 209 and 210:
Page 211 and 212:
Page 213 and 214:
Page 215 and 216:
Page 217 and 218:
Section VIII - Specifi cations 8.1
Page 219 and 220:
Military Fluid Specifi cation Descr
Page 221 and 222:
AMS (1) and NAS (2) Rubber Specifi
Page 223 and 224:
Parker O-Ring Handbook Compound Sel
Page 225 and 226:
Section IX Sizes Parker Series 2-XX
Page 227 and 228:
Table 9-1: Parker Series 2-XXX O-Ri
Page 229 and 230:
Parker O-Ring Handbook Parker Serie
Page 231 and 232:
Page 233 and 234:
Page 235 and 236:
Page 237 and 238:
Parker Series 5-XXX O-Ring Sizes (C
Page 239 and 240:
Parker Series 5-XXX O-Ring Sizes (C
Page 241 and 242:
Series 5-XXX Locator Table Size I.D
Page 243 and 244:
Parker O-Ring Handbook Inside Diame
Page 245 and 246:
JIS B2401 Sizes JIS Thickness Inner
Page 247 and 248:
Parker O-Ring Handbook Unusual Size
Page 249 and 250:
Parker O-Ring Handbook Unusual Size
Page 251 and 252:
Section X - Appendix 10.1 O-Ring Fa
Page 253 and 254:
10.1.1.2 Extrusion and Nibbling Ext
Page 255 and 256:
10.1.1.6 Installation Damage Many O
Page 257 and 258:
Parker Seal also has the capability
Page 259 and 260:
10.3 Glossary of Seal and Rubber Te
Page 261 and 262:
Flash: Excess rubber left around ru
Page 263 and 264:
(b) REP (Roentgen equivalent-physic
Page 265 and 266:
10.4 Abbreviations ACM Polyacrylate
Page 267 and 268:
Compound Shrinkage Class Compound N
Page 269 and 270:
Table 10-8: Dimensions From Standar
Page 271 and 272:
Page 273 and 274:
Page 275 and 276:
Page 277 and 278:
Parker O-Ring Handbook Dimensions F
Page 279 and 280:
Page 281 and 282:
Page 283 and 284:
Appendix 10-32 Parker O-Ring Handbo
Page 285 and 286:
Index — A — Abbreviations. . .
Page 287 and 288:
International O-Ring Standards and
Page 289 and 290:
Offer of Sale 1. Terms and Conditio
Page 291 and 292:
Parker’s Total inPHorm Take the g
show all

Parker O-Ring Handbook.pdf

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?