PRODUCT CATALOGUE
LGB O Rings (GB1235-76)
LGB O Ring (GB1235-76)
1. Radial Seal Groove Dimensions Table (1)
| O Ring Section Diameter d2 | 1.9 | 2.4 | 3.1 | 3.5 | 5.7 | 8.6 | ||
| Groove Length | Pneumatic Dynamic Seal | 2.4 | 3.2 | 4.1 | 4.6 | 7.4 | 11.0 | |
|
Hydraulic Dynamic Seal or Static Seal |
L | 2.5 | 3.2 | 4.1 | 4.7 | 7.6 | 11.2 | |
| L1 | 3.7 | 4.4 | 5.6 | 6.2 | 9.6 | 14.0 | ||
| L2 | 4.9 | 5.6 | 7.1 | 7.7 | 11.6 | 16.8 | ||
|
Groove Depth B |
Piston Seal | Hydraulic Dynamic Seal | 1.5 | 2.0 | 2.5 | 3.0 | 5.0 | 7.7 |
| Pneumatic Dynamic Seal | 1.6 | 2.18 | 2.7 | 3.2 | 5.3 | 8.1 | ||
| Static Seal | 1.4 | 1.8 | 2.4 | 2.7 | 4.6 | 7.1 | ||
| Groove Bottom Radius r2 | 0.2-0.4 | 0.4-0.8 | 0.8-1.2 | |||||
| Groove Edge Fillet Radius r1 | 0.1-0.3 | |||||||
2. Axial Seal Groove Dimensions Table (2)
| O Ring Section Diameter d2 | 1.9 | 24 | 3.1 | 3.5 | 5.7 | 8.6 |
| Groove Length L | 2.5 | 3.2 | 4.1 | 4.7 | 7.6 | 11.2 |
| Groove Depth B | 1.4 | 1.8 | 2.4 | 2.7 | 4.6 | 7.1 |
| Groove Bottom Radius r2 | 0.2-0.4 | 0.4-0.8 | 0.8-1.2 | |||
| Groove Edge Fillet Radius r1 | 0.1-0.3 | |||||
| Serial No. | L1 | L2 | L3 | L4 | L5 | L8 |
| Cross Section Diameter (mm) | 1.9 | 2.4 | 3.1 | 3.5 | 5.7 | 8.6 |
Example of the O Ring Order Part No. :
O Ring Specification: 90*3.1
Part Number: L3-90 N800
L3: Series Number
90: O Ring Specification
N800: Material Code
Example of the Back Up Order Part No. :
Part Number:DF XX*XX*1.5 T600
DF: Series Number
XX*XX: Groove Inner Diameter and Outer Diameter
1.5: Back Up Height
T600: Material Code
| LGB O Ring (GB1235-76) | |||
|
Internal Diameter d |
Section Diameter d2 |
O Ring Part No. | Back Up Section |
| 5 | 1.9±0.08 | L1-5 |
 Static Seal Back Up Size B=1.4mm H=1.2mm Dynamic Seal Back Up Size B=1.5mm H=1.2mm |
| 6 | L1-6 | ||
| 7 | L1-7 | ||
| 8 | L1-8 | ||
| 9 | L1-9 | ||
| 10 | L1-10 | ||
| 11 | L1-11 | ||
| 12 | L1-12 | ||
| 13 | L1-13 | ||
| 14 | L1-14 | ||
| LGB O Ring (GB1235-76) | |||
|
Internal Diameter d |
Section Diameter d2 |
O Ring Part No. | Back Up Section |
| 14 | 2.4±0.09 | L2-14 |
 Static Seal Back Up Size B=1.8mm H=1.2mm Dynamic Seal Back Up Size B=2.0mm H=1.2mm |
| 15 | L2-15 | ||
| 16 | L2-16 | ||
| 18 | L2-18 | ||
| 19 | L2-19 | ||
| 20 | L2-20 | ||
| 22 | L2-22 | ||
| 24 | L2-24 | ||
| 25 | L2-25 | ||
| 26 | L2-26 | ||
| LGB O Ring (GB1235-76) | |||
|
Internal Diameter d |
Section Diameter d2 |
O Ring Part No. | Back Up Section |
| 28 | 3.1±0.10 | L3-28 |
 Static Seal Back Up Size B=2.4mm H=1.5mm Dynamic Seal Back Up Size B=2.5mm H=1.5mm |
| 30 | L3-30 | ||
| 32 | L3-32 | ||
| 35 | L3-35 | ||
| 38 | L3-38 | ||
| 40 | L3-40 | ||
| 45 | L3-45 | ||
| 50 | L3-50 | ||
| 55 | L3-55 | ||
| 60 | L3-60 | ||
| 63 | L3-63 | ||
| 65 | L3-65 | ||
| 68 | L3-68 | ||
| 70 | L3-70 | ||
| 75 | L3-75 | ||
| 80 | L3-80 | ||
| 85 | L3-85 | ||
| 90 | L3-90 | ||
| 95 | L3-95 | ||
| 100 | L3-100 | ||
| 105 | L3-105 | ||
| 110 | L3-110 | ||
| 115 | L3-115 | ||
| 120 | L3-120 | ||
| 125 | L3-125 | ||
| 130 | L3-130 | ||
| 135 | L3-135 | ||
| 140 | L3-140 | ||
| 145 | L3-145 | ||
| 150 | L3-150 | ||
| 155 | L3-155 | ||
| 160 | L3-160 | ||
| 165 | L3-165 | ||
| LGB O Ring (GB1235-76) | |||
|
Internal Diameter d |
Section Diameter d2 |
O Ring Part No. | Back Up Section |
| 28 | 3.5±0.10 | L4-28 |
Static Seal Back Up Size
B=2.7mm H=1.5mm Dynamic Seal Back Up Size B=3.0mm H=1.5mm |
| 30 | L4-30 | ||
| 31 | L4-31 | ||
| 32 | L4-32 | ||
| 34 | L4-34 | ||
| 35 | L4-35 | ||
| 36 | L4-36 | ||
| 38 | L4-38 | ||
| 40 | L4-40 | ||
| 41 | L4-41 | ||
| 42 | L4-42 | ||
| 44 | L4-44 | ||
| 45 | L4-45 | ||
| 46 | L4-46 | ||
| 48 | L4-48 | ||
| 50 | L4-50 | ||
| 51 | L4-51 | ||
| 54 | L4-54 | ||
| 55 | L4-55 | ||
| 56 | L4-56 | ||
| LGB O Ring (GB1235-76) | |||
|
Internal Diameter d |
Section Diameter d2 |
O Ring Part No. | Back Up Section |
| 50 | 5.7±0.14 | L5-50 |
 Static Seal Back Up Size B=4.6mm H=2.5mm Dynamic Seal Back Up Size B=5.0mm H=2.5mm |
| 55 | L5-55 | ||
| 60 | L5-60 | ||
| 63 | L5-63 | ||
| 65 | L5-65 | ||
| 70 | L5-70 | ||
| 73 | L5-73 | ||
| 75 | L5-75 | ||
| 80 | L5-80 | ||
| 85 | L5-85 | ||
| 90 | L5-90 | ||
| 95 | L5-95 | ||
| 100 | L5-100 | ||
| 105 | L5-105 | ||
| 110 | L5-110 | ||
| 115 | L5-115 | ||
| 120 | L5-120 | ||
| 125 | L5-125 | ||
| 130 | L5-130 | ||
| 135 | L5-135 | ||
| 140 | L5-140 | ||
| 145 | L5-145 | ||
| 150 | L5-150 | ||
| 155 | L5-155 | ||
| 160 | L5-160 | ||
| 165 | L5-165 | ||
| 170 | L5-170 | ||
| 175 | L5-175 | ||
| 180 | L5-180 | ||
| 185 | L5-185 | ||
| 190 | L5-190 | ||
| 195 | L5-195 | ||
| 200 | L5-200 | ||
| 205 | L5-205 | ||
| 210 | L5-210 | ||
| 220 | L5-220 | ||
| 230 | L5-230 | ||
| 240 | L5-240 | ||
| 250 | L5-250 | ||
| 260 | L5-260 | ||
| 270 | L5-270 | ||
| 280 | L5-280 | ||
| 290 | L5-290 | ||
| 300 | L5-300 | ||
| LGB O Ring (GB1235-76) | |||
|
Internal Diameter d |
Section Diameter d2 |
O Ring Part No. | Back Up Section |
| 170 | 8.6±0.16 | L8-170 |
Static Seal Back Up Size
B=7.1mm H=2.8mm Dynamic Seal Back Up Size B=7.7mm H=2.8mm |
| 175 | L8-175 | ||
| 180 | L8-180 | ||
| 185 | L8-185 | ||
| 190 | L8-190 | ||
| 195 | L8-195 | ||
| 200 | L8-200 | ||
| 205 | L8-205 | ||
| 210 | L8-210 | ||
| 215 | L8-215 | ||
| 220 | L8-220 | ||
| 225 | L8-225 | ||
| 230 | L8-230 | ||
| 235 | L8-235 | ||
| 240 | L8-240 | ||
| 245 | L8-245 | ||
| 250 | L8-250 | ||
| 255 | L8-255 | ||
| 260 | L8-260 | ||
| 265 | L8-265 | ||
| 275 | L8-275 | ||
| 280 | L8-280 | ||
| 290 | L8-290 | ||
| 295 | L8-295 | ||
| 300 | L8-300 | ||
| 305 | L8-305 | ||
| 315 | L8-315 | ||
| 320 | L8-320 | ||
| 330 | L8-330 | ||
| 335 | L8-335 | ||
| 350 | L8-350 | ||
| 355 | L8-355 | ||
| 360 | L8-360 | ||
| 370 | L8-370 | ||
| 375 | L8-375 | ||
| 380 | L8-380 | ||
| 390 | L8-390 | ||
| 395 | L8-395 | ||
| 400 | L8-400 | ||
| 415 | L8-415 | ||
| 420 | L8-420 | ||
| 450 | L8-450 | ||
| 480 | L8-480 | ||
| 500 | L8-500 | ||
| 520 | L8-520 | ||
