The Seal Man's O-Ring Handbook™

1 SUPERS mall O-RingsSUPERS mall O-Rings are available insizes as small as .002 ID, which mm and with cross sections or O-Rings are manufacturedout of various materials including silicone,NBR, EPDM and pages 30-36for descriptionsof : Watch Stems Miniature Variable Potentiometers Micro Electronic Components Micro Valves Miniature Mechanical MachineryThe seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsBack-up rings are used in conjunction with O-Rings for both static and dynamic sealingapplications. They prevent extrusion of the O-Ring when it is subjected to high pres-sures, or when the extrusion gaps are excessive. Wherever possible two Back-up ringsshould be used, one on each side of the seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: Back-up RingSpiral Back-up RingConcaveFlatSplit Back-up RingNominal WidthInchO-RingBack-up RingActual WidthInch1/163/321/83/161.

2 006 Part Number Width-013 to -050-111 to -178-205 to -273-309 to -375-425 to ..005 EnlargedViewEnlargedViewThe seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsBack-up rings are in stock and ready to ship in Polyurethaneand PTFE materials. However, EPM can make theseback-up rings in any material. See pages 30-36for ourMaterial Selection CHARTC lick hereto see pages 114-124for an inch sizing hereto see pages 114-124for an inch sizing seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsBack-up rings are in stock and ready to ship in Polyurethaneand PTFE materials. However, EPM can make theseback-up rings in any material. See pages 30-36for ourMaterial Selection CHARTC lick hereto see pages 125-158for a metric sizing hereto see pages 125-158for a metric sizing seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsGROOVEDIMENSIONSTo determine groove dimensions,click hereto see pages 50% of the determine groove dimensions, click hereto see pages CordINCHSIZING CHARTThe seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web.

3 (NBR)Buna-N (NBR)Buna-N (NBR)Buna-N (NBR)Buna-N (NBR) - WhiteNeoprene (NEO)EPDM Rubber (EPD)Viton (VIT)Viton (VIT)Viton (VIT) - BlackSilicone (SIL)Gum RubberSponge Closed CellAflas (AFL)Nominal WidthInchActual WidthInchAvailable MaterialsDuro90 70 50 40 70 70 70 75 75 90 70 40 -751/161/163/323/321/81/83/163/161/41/45 /163/813/327/1615/321/29/165/83/47/811-1 /161-1/81-1/41-1 ..060 Below is a list of standard inch cord sizes and available indicates material availability in a particular (Duro) is Shore seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: CordMETRICSIZING CHARTBuna-N (NBR)Buna-N (NBR)Neoprene (NEO)EPDM Rubber (EPD)Viton (VIT) - BlackViton (VIT)Viton (VIT) - BrownSilicone (SIL)Aflas (AFL)WidthMetricWidthInchAvailable.

4 Below is a list of metric cord sizes and available materials. A indicates material availability in a particular (Duro) is Shore 90 70 70 75 90 75 70 75 Square CordINCHSIZING CHARTThe seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: (NBR)Viton (VIT)Silicone (SIL)70 Durometer75 Durometer70 DuromterWidthInchAvailable Below is a list of inch square-cut cord sizes and available mate-rials. A indicates material availability in a particular is Shore materials are available in square cross sections. Contact your EPM Customer Helper for more seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: CordINCHSIZING CHART70 Durometer75 DurometerBuna-N (NBR)Viton (VIT)WidthInchAvailable Below is a list of inch quatro ring cord sizes and available mate-rials.

5 A indicates material availability in a particular is Shore seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: CordINCHSIZING CHARTB elow is a list of inch back-up ring cord sizesand available materials. A indicates mate-rial availability in a particular Durometer75 DurometerBuna-N (NBR)Viton (VIT)Inch SizeAvailable Materials1/4 x 3/8 1/4 x 1/2 3/8 x 5/16 3/8 x 1 How To Make Spliced, Endless O-Rings Using O-Ring CordThe seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: out toolsPulling cord from spoolMeasuring length of cordPreparing to cut cordCutting O-Ring cordFinished O-RingO- ring Cord Cut Length FormulaUse this formula to determine the cut length of the O-Ring cord to achieve a desiredinside diameter. Can be used for either millimeters or inches.

6 ( ( OD + ID ) / 2 ) x Pi = lengthPi = = OD - (2 x W)Inside Diameter (ID) = Outside Diameter (OD) - twice the width (W)The seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsSquare-Cut rings are in stock and ready to ship in NBR 70 andVIT 75 durometer materials. However, EPM can make theseSquare-Cut rings in any material. See pages 30-36for ourMaterial Selection CHARTC lick hereto see pages 114-124for an inch sizing hereto see pages 114-124for an inch sizing seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsSquare-Cut rings are in stock and ready to ship in NBR 70 andVIT 75 durometer materials. However, EPM can make theseSquare-Cut rings in any material. See pages 30-36for ourMaterial Selection CHARTC lick hereto see pages 125-158for a metric sizing hereto see pages 125-158for a metric sizing seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsGROOVEDIMENSIONSTo determine groove dimensions,click hereto see pages determine groove dimensions, click hereto see page seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsQ-Lobe rings are in stock and ready to ship in NBR 70 andVIT 75 durometer materials.

7 However, EPM can make theseQ-Lobe rings in any material. See pages 30-36for ourMaterial Selection CHARTC lick hereto see pages 114-124for an inch sizing hereto see pages 114-124for an inch sizing seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsQ-Lobe rings are in stock and ready to ship in NBR 70 andVIT 75 durometer materials. However, EPM can make theseQ-Lobe rings in any material. See pages 30-36for ourMaterial Selection CHARTC lick hereto see pages 125-158for a metric sizing hereto see pages 125-158for a metric sizing seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: RingsGROOVEDIMENSIONSTo determine groove dimensions,click hereto see pages determine groove dimensions, click hereto see pages Kits & AssortmentsContact your EPM Customer Helper for prices and availability on these O-Ring Inch O-Ring Kit This kit contains a total of 382 O-Rings in 30different inch sizes, providing an extremely lowcost per size contents:EPM Metric O-Ring KitThis metric O-Ring kit contains a total of 386 O-Rings in30 different metric contents:The seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web.

8 NumberQuantity-006 to -012-110 to -116-210 to -222-325 to x Width(mm)Quantity3 x x x x x x x x x x x x x x x x Width(mm)Quantity20 x x x x x x x x x x x x x x x seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: Kits & AssortmentsContact your EPM Customer Helper for prices and availability on these O-Ring Inch O-Ring Kit This mini inch size kit contains a total of 225 O-Ringsin 18 different inch contents:Mini Metric O-Ring KitThis mini metric size kit contains a total of 225O-Rings in 18 different metric contents:Part NumberQuantity-006-007-008-009-010-011-0 12-014-016202020151515101010 Part x Width(mm)Quantity3 x x x x x x x x x x Width(mm)Quantity10 x x x x x x x x x seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: Kits & AssortmentsContact your EPM Customer Helper for prices and availability on these O-Ring Industrial Inch O-Ring KitThis kit contains a total of 436 70 Durometer O-Ringsin 36 different inch contents:90 Durometer Inch O-Ring KitThis kit contains a total of 436 90 durometerO-Rings in 36 different inch contents:Fluorocarbon (Viton ) Inch O-Ring KitThis kit contains a total of 436 75 DurometerFluorocarbon O-Rings in 36 different inch contents.

9 Part NumberQuantity-005 to -011-012-013 to -018-11025151015 Part NumberQuantity-111 to -116-117 to -121-210 to -211-212 to -219107107 Part NumberQuantity-005 to -011-012-013 to -018-11025151015 Part NumberQuantity-111 to -116-117 to -121-210 to -211-212 to -219107107 Part NumberQuantity-005 to -011-012-013 to -018-11025151015 Part NumberQuantity-111 to -116-117 to -121-210 to -211-212 to -219107107 The seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web: Kits & AssortmentsContact your EPM Customer Helper for prices and availability on these O-Ring Warehouse KitThis O-Ring Warehouse kit is ideally suited for the repairshop that needs a large on-hand selection of O-Rings toinsure quick repair of all machine types. This kit includes1,110 O-Rings in 150 different inch sizes. Each size isindividually packaged in heavy duty ziploc bags to protectagainst environmental exposure and contamination.

10 Allpackages are then stored in a sturdy styrene cabinet withpull-out drawers for easy access to parts. Included cardshows size, dimensions, and drawer location for each contents:90 Durometer O-Ring Warehouse KitThis kit is similar to the above warehouse kit, except allO-Rings are 90 Durometer. This kit contains 1,110O-Rings in 150 different inch contents:Part NumberQuantity-001 to -016-017 to -024-025 to -031-032 to -043-044 to -046-110 to -116-117 to -12420107521510 Part NumberQuantity-125 to -142-143 to -146-147 to -151-210 to -216-217 to -229-230 to -232-233 to -23753210532 Part NumberQuantity-325 to -328-329 to -330-331 to -338-901 to -914-916, -918-920, -924-928, -9325425555 Part NumberQuantity-001 to -016-017 to -024-025 to -031-032 to -043-044 to -046-0110 to -116-117 to -124-125 to -142-143 to -146-147 to -151-210 to -2162010752151053210 Part NumberQuantity-217 to -229-230 to -232-233 to -237-325 to -328-329 to -330-331 to -338-901 to -914-916, -918-920, -924-928, -9325325425555 The seal Man s O-Ring Handbook 112-G West Burke Street Stockbridge, GA 30281 Phone: (800) 659-5050 Fax: (888) 353-7325 Web.