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Sealing Identification

Continued from Thread Identification...

 

Please note the following guide should be used only for selecting Checkfluid Products.

 

Jump to: Step 1 (Thread Measurement) | Step 2 (Sealing Forms) | Step 3 (Dash Sizes)

 

Step 2: Sealing Forms

Locate your sealing form on the Chart below and use it to find the Checkfluid ID number associated with it in the Dash size chart (step 3)

 

Thread Type (click for image) Checkfluid # (F = Female Thread) Form A Form B Form C Form D Form E Form F Form G Type of Connection ISO # SAE # DIN # JIS # Seals Sealing Surface
ORB U(F)             Port End

11926

J1926     SAE O-Ring Flare Bore
JIC J(F)             Tube End
J514     Metal Flare
NPT/ NPTF N(F)             Port End
J476     Metal Thread
ORFS F(F)             Tube End
J1453     SAE Face Seal Face
BSPP GB(F)            

 

      Cut Ring  or Copper Washer
Face
BSPP GC(F)    

        Port End

9974

  3852-1 form X or Y   Recess E O-Ring Face
BSPP GCB(F)             Port End

9974

  3852-1 form X or Y   Bonded Washer Face
BSPT GD(F)             Port End

 

  Similar to: 3852-2 form Z B8363 Recess E O-Ring Face
METRIC DIN MA(F)

        Port End

DIN
DIN O-Ring Step Bore
METRIC DIN MB(F)  

          Port End 9974   3852-1   Cut Ring or Copper Washer Face
METRIC BW MCB(F)    

        Port End

9974

  3852-1 form X or Y   Bonded Washer Face
METRIC OR MCA(F)    

        Port End

1179

 

  3852-2 form X or Y   O-Ring + Retaining Ring
Face
METRIC ISO ME(F)             Port End

6149

J2244 3852-3 form "W"   ISO O-Ring Flare Bore
Metric Taper MT(F)      

                Metal Thread
  Form A Form B Form C Form D Form E Form F Form G              
SEALING TYPE Boss/Step O-Ring Face Metal Face O-Ring Thread Metal Boss/C'Bore O-Ring Flare Metal Face O-Ring              
MALE SEALING FORMS

             
FEMALE SEALING FORMS

             

SEALING METHOD

 

(RUBBER) DIN O-Ring
O-Ring boss sealing in the female using a DIN ORing

(METAL/ RUBBER) Flat Seal Cutting Ring
Flat seal bonded or copper washer sealing in the female counter bore

(RUBBER) Recessed Hex Seal
Seals on a flat machined surface

(METAL) Tapered Seal
Seals on thread

(RUBBER) ISO 6149

SAE O-Ring

ISO 11926
O-Ring boss sealing in the female counter bore using an ISO 6149 ORing, SAE ORing

(METAL) SAE 37° Flare seals on internal female flare

O-Ring Face Seal
O-Ring face sealing on the male face groove using an ORFS O-Ring

             

 

  O-Ring DIN/ ISO/ ORFS Flat Rubber Seal Bonded Seal Steel / Rubber  

O-RING STYLES

ORING

ID CS
FlatRubberSeal ID

ID BondedSeal

CS

LEGEND

CS=CROSS SECTION

ID= INSIDE DIAMETER

 

RUBBER SEALING FORM CHARTS

Form Sealing Type            

 

Form A

 

DIN O-Ring

INSIDE DIAMETER (ID) CROSS SECTION (CS)  
Metric Inch Metric Inch Dash Size/
Fitting Size
Thread Size
6.10 0.24 1.63 0.06 - M8 X 1 
8.00 0.31 1.50 0.06 4 M10 X 1
9.25 0.36 1.78 0.07 6 M12 X 1.5
10.82 0.43 1.78 0.07 8 M14 X 1.5
13.46 0.53 2.08 0.08 10 M16 X 1.5
15.54 0.61 2.62 0.10 12 M18 X 1.5
17.17 0.68 1.78 0.07 - M20 X 1.5
18.77 0.74 1.78 0.07 15 M22 X 1.5
20.35 0.80 1.78 0.07 - M24 X 1.5
21.89 0.86 2.62 0.10 18 M26 X1.5
23.47 0.92 2.62 0.10 - M27 X 2
26.64 1.05 2.62 0.10 22 M30 X 2
28.24 1.11 2.62 0.10 - M33 X 2
31.42 1.24 2.62 0.10 28 M36 X 2
37.77 1.49 2.62 0.10 - M42 X 2
40.94 1.61 2.62 0.10 - M45 X 2 
44.12 1.74 2.62 0.10 - M48 X 2
45.69 1.80 2.62 0.10 - M50 X 2

Form B

Bonded
Seal 

10.40 0.41 2.00 0.08 - 1/8-28
13.70 0.54 2.00 0.08 4 1/4-19
17.30 0.68 2.00 0.08 6 3/8-19
21.50 0.85 2.30 0.09 8 1/2-14
23.50 0.93 2.30 0.09 10 5/8-14
27.10 1.07 2.30 0.09 12 3/4-14
33.90 1.33 2.30 0.09 16 1-11
42.90 1.69 3.30 0.13 20 1 1/4-11
48.40 1.91 3.30 0.13 24 1 1/2-11

Form C

Flat Sealing Ring

           
8.4 0.33 1 0.04 2 G 1/8 A
11.6 0.46 1.5 0.06 4 G 1/4 A
14.7 0.58 1.5 0.06 6 G 3/8 A
18.5 0.73 1.5 0.06 12 G 1/2 A
           

 

 

 

 

 

 

 

 

Form E

ISO O-RING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SAE

O-RING

6.10 0.24 1.6 0.06 4 M8 X 1 
8.10 0.32 1.6 0.06 5 M10 X 1
9.30 0.37 2.2 0.09 6 M12 X 1.5
11.30 0.44 2.2 0.09 8 M14 X 1.5
13.30 0.52 2.2 0.09 10 M16 X 1.5
15.30 0.60 2.2 0.09 12 M18 X 1.5
19.30 0.76 2.2 0.09 16 M22 X 1.5
23.60 0.93 2.9 0.11 20 M27 X 2
26.60 1.05 2.9 0.11 - M26 X1.5
29.60 1.17 2.9 0.11 22 M30 X 2
34.60 1.36 2.9 0.11 - M38 X 2
38.60 1.52 2.9 0.11 30 M42 X 2
44.60 1.76 2.9 0.11 38 M48 X 2
56.60 2.23 2.9 0.11 - M60 X 2
           
6.10 0.24 1.52 0.06 2 1/8
7.62 .30 1.52 0.06 3 3/16
8.89 .35 1.78 0.07 4 1/4
10.41 .41 1.78 0.07 5 5/16
11.938 .47 2.03 0.08 6 3/8
16.256 .64 2.29 0.09 8 1/2
19.30 .76 2.54 0.10 10 5/8
23.36 .92 3.05 0.12 12 3/4
26.67 1.05 3.05 0.12 14 7/8
29.72 1.17 3.05 0.12 16 1
37.59 1.48 3.05 0.12 20 1 1/4
43.69 1.72 3.05 0.12 24 1 1/2
59.44 2.34 3.05 0.12 32 2
           

Form G

O-Ring Face Seal

9.30 0.37 1.78 0.07 6 3/8
12.40 0.49 1.78 0.07 8 1/2
15.60 0.61 1.78 0.07 10 5/8
18.80 0.74 1.78 0.07 12 3/4
21.80 0.86 1.78 0.07 14 7/8
23.50 0.93 1.78 0.07 16 1
29.90 1.18 1.78 0.07 20 1 3/4
37.80 1.49 1.78 0.07 24 1 1/2
49.00 1.93 2.54 0.10 32 2

 

Elastometric Sealing Specifications and Identification

 

Continue on to Step 3: Dash sizes

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