Parker O-Ring Handbook.pdf
Parker O-Ring Handbook.pdf Parker O-Ring Handbook.pdf
Basic O-Ring Elastomers 2-34 Parker O-Ring Handbook 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 III – O-Ring Applications 3.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 3.1 Factors Applying to All O-Ring Types. . . . . . . . . . . 3-2 3.1.1 Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 3.1.2 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3.1.3 Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3.1.4 Extrusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3.1.5 Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 3.1.5.1 Parker O-Lube . . . . . . . . . . . . . . . . . . . . . 3-4 3.1.5.2 Parker Super O-Lube . . . . . . . . . . . . . . . . 3-4 3.1.5.3 PTFE Coatings . . . . . . . . . . . . . . . . . . . . . 3-5 3.1.5.4 Other Friction Reduction Methods. . . . . . 3-5 3.1.5.5 Internal Lubrication . . . . . . . . . . . . . . . . . 3-5 3.1.6 Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 3.1.6.1 Extraction Tools . . . . . . . . . . . . . . . . . . . . 3-6 3.1.6.2 O-Ring Sizing Cone . . . . . . . . . . . . . . . . . 3-6 3.1.6.3 O-Ring Kits . . . . . . . . . . . . . . . . . . . . . . . 3-6 3.2 Cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 3.3 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 3.4 Selecting the Best Cross-Section . . . . . . . . . . . . . . . 3-7 3.5 Stretch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 3.6 Squeeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 3.7 Gland Fill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 3.8 O-Ring Compression Force . . . . . . . . . . . . . . . . . . . 3-9 3.9 Specifi c Applications . . . . . . . . . . . . . . . . . . . . . . . 3-10 3.9.1 Automotive. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 3.9.2 Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 3.9.3 Brake System . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 3.9.4 Fuel System . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 3.9.5 Fuels for Automobile Engines . . . . . . . . . . . . 3-11 3.9.6 Transmission . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 3.9.7 Cooling & Heating Systems. . . . . . . . . . . . . . 3-11 3.9.8 Air Conditioning. . . . . . . . . . . . . . . . . . . . . . . 3-12 3.9.9 Power Steering Systems. . . . . . . . . . . . . . . . . 3-12 3.9.10 Refrigeration and Air Conditioning . . . . . . . 3-12 3.9.11 Food, Beverage and Potable Water. . . . . . . . 3-12 3.9.12 Aerospace Technology . . . . . . . . . . . . . . . . . 3-13 3.9.12.1 Jet Fuels . . . . . . . . . . . . . . . . . . . . . . . . 3-13 3.9.12.2 Liquid Rocket Propellants . . . . . . . . . . 3-13 3.9.13 Nuclear Technology . . . . . . . . . . . . . . . . . . . 3-14 Parker O-Ring Handbook 3.9.14 Radiation . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14 3.9.15 Energy, Oil and Gas . . . . . . . . . . . . . . . . . . . 3-14 3.9.16 Fungus-Resistant Compounds . . . . . . . . . . . 3-15 3.9.17 Hydraulic Fluids . . . . . . . . . . . . . . . . . . . . . 3-15 3.9.17.1 Fire-Resistant Hydraulic Fluids . . . . . . 3-15 3.9.17.1.1 HFA Fluids . . . . . . . . . . . . . . . . . . 3-15 3.9.17.2 Concentrates Containing Mineral Oils (Oil-in-Water-Solutions) . . . . . 3-17 3.9.17.3 Micro-Emulsions . . . . . . . . . . . . . . . . . 3-17 3.9.17.4 Synthetic HFA Concentrates (Solutions) . . . . . . . . . . . . . . . . 3-17 3.9.17.5 HFC Fluids . . . . . . . . . . . . . . . . . . . . . . 3-17 3.9.17.6 HFD Fluids. . . . . . . . . . . . . . . . . . . . . . 3-17 3.10 Temperature Extremes . . . . . . . . . . . . . . . . . . . . . 3-17 3.10.1 High Temperature. . . . . . . . . . . . . . . . . . . . . 3-17 3.10.2 Low Temperature . . . . . . . . . . . . . . . . . . . . . 3-18 3.11 Vacuum Applications . . . . . . . . . . . . . . . . . . . . . . 3-19 3.11.1 Vacuum Weight Loss . . . . . . . . . . . . . . . . . . 3-19 3.11.2 Vacuum Seal Considerations . . . . . . . . . . . . 3-19 3.11.3 Vacuum Leak Rate . . . . . . . . . . . . . . . . . . . . 3-20 3.12 Gases-Permeability . . . . . . . . . . . . . . . . . . . . . . . 3-20 3.12.1 Leak Rate Approximation . . . . . . . . . . . . . . 3-21 3.13 Gases-High Pressure . . . . . . . . . . . . . . . . . . . . . . 3-21 3.14 Acids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22 3.14.1 Plastic Contact Surfaces. . . . . . . . . . . . . . . . 3-22 3.14.2 Silicone Fluids . . . . . . . . . . . . . . . . . . . . . . . 3-22 3.14.3 Underwriters’ Laboratories . . . . . . . . . . . . . 3-22 3.14.4 Water and Steam Resistance. . . . . . . . . . . . . 3-22 3.15 Semiconductor . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24 3.16 inPHorm Seal Design and Material Selection Software . . . . . . . . . . . . . . . . 3-24 3.17 Drive Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24 3.17.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3-24 3.17.2 Drive Belt Compound Selection . . . . . . . . . 3-24 3.17.3 Available Drive Belt Compounds . . . . . . . . 3-24 3.18 Applications Summary. . . . . . . . . . . . . . . . . . . . . 3-25 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 Fax: (859) 335-5128 www.parkerorings.com O-Ring Applications 3-1
- 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 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: is possible to receive a part with
- 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: Parker O-Ring Handbook Gas Permeabi
- Page 77 and 78: Parker O-Ring Handbook Gas Permeabi
- Page 79 and 80: Parker O-Ring Handbook Gas Permeabi
- 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: Parker O-Ring Handbook Gland Dimens
- Page 95 and 96: Parker O-Ring Handbook Gland Dimens
Basic O-<strong>Ring</strong> Elastomers<br />
2-34<br />
<strong>Parker</strong> O-<strong>Ring</strong> <strong>Handbook</strong><br />
<strong>Parker</strong> Hannifi n Corporation • O-<strong>Ring</strong> Division<br />
2360 Palumbo Drive, Lexington, KY 40509<br />
Phone: (859) 269-2351 Fax: (859) 335-5128<br />
www.parkerorings.com