XGB O Rings (GB3452.1-2005)

Function and Usage
O Ring is a vulcanizing moulding rubber element with a circular cross section. The initial compression on both radial and axial ensures the initial sealing performance of the o ring. The sealing performance of the o ring in proportion to the system pressure on the o ring, The greater system pressure, the better sealing performance of the O ring. O Ring is the most widely used sealing element in the hydraulic system..
 
Material
Material:Nitrile Rubber (NBR)   Our Material Code: N800
 
If the working condition is under high temperature or chemical resistant medium, we suggest to use FKM (Fluoro Rubber) for the O Ring, Our Material Code: F801
 
If the working condition is under low temperature, we suggest to use low temperature resistance Nitrile Rubber (NBR) for the O Ring, Our Material Code: NV705
 
Technical Data
The standard O Ring is widely used in different application.
Working Pressure: ≤16MPa (Under high pressure need to be used together with the back up)
Working Temperature：N800: -35℃ to +110℃ 
                    F801: -20℃ to +180℃ 
                    NV705: -45℃ to +90℃ 
Working Medium: Mineral hydraulic oil, emulsion, water and other media
 
Technical application parameters:

 

 
1. Radial Seal Groove Dimensions Table (1)

O Ring Section Diameter d2			1.8	2.65	3.55	5.3	7.0
Groove Length	Pneumatic Dynamic Seal		2.2	3.4	4.6	6.9	9.3
	Hydraulic Dynamic Seal or Static Seal	L	2.4	3.6	4.8	7.1	9.5
		L1	3.6	4.8	6.3	9.1	12.0
		L2	4.8	6.2	7.8	11.2	14.5
Groove Depth B	Piston Seal	Hydraulic Dynamic Seal	1.45	2.2	3.05	4.5	6.0
		Pneumatic Dynamic Seal	1.5	2.3	3.1	4.7	6.25
		Static Seal	1.3	2.0	2.7	4.25	5.75
Minimum Length of the chamfer Zmin			1.1	1.5	1.8	2.7	3.6
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	1.8	2.65	3.55	5.3	7.0
Groove Length L	2.6	3.8	5.0	7.3	9.7
Groove Depth B	1.28	1.97	2.75	4.24	5.72
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

 
3.The Surface Roughness of the Groove and the Matched Pair Table (3)

Surface Roughness of the Groove and the Matched Pair                              Unit:μm
Surface	Application Situation	Pressure Condition	Surface Roughness
			Ra	R max
Bottom and Side of groove	Static Seal	No Alternating and Object Pulse	3.2	6.3
		Alternating or Pulse	1.6	6.3
	Dynamic Seal		1.6	3.2
Mating surface	Static Seal	No Alternating and Object Pulse	1.6	3.2
		Alternating or Pulse	0.8	3.2
	Dynamic Seal		0.4	1.6
Chamfer surface			3.2	12.5

 
Installation
Groove: Closed
In order to avoid the damage of the seals, during the installation, the seals should be leave away with the shape edge of the parts and tools. The sharp edges and burr in the installation area of the seal must be removed.

Serial No.	X1	X2	X3	X5	X7
Cross Section Diameter (mm)	1.8	2.65	3.55	5.3	7

 
 
Example of the O Ring Order Part No. :
O Ring Specification: 75*3.55
Part Number: X3-75 N800
X3: Series Number
75: 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
 

XGB O Ring (GB3452.1-2005)
Internal Diameter d	Section Diameter d2	O Ring Part No.	Back Up Section
1.80	1.8±0.08	XI-1.8	Static Seal Back Up Size B=1.3mm H=1.2mm   Dynamic Seal Back Up Size B=1.45mm H=1.2mm
2.00		XI-2.
2.24		XI-2.24
2.50		XI-2.5
2.80		XI-2.8
3.15		XI-3.15
3.55		XI-3.55
3.75		XI-3.75
4.00		XI-4
4.50		XI-4.5
4.87		XI-4.87
5.00		XI-5
5.15		XI-5.15
5.30		XI-5.3
5.60		XI-5.6
6.00		XI-6
6.30		XI-6.3
6.70		XI-6.7
6.90		XI-6.9
7.10		XI-7.1
7.50		XI-7.5
8.00		XI-8
8.50		XI-8.5
8.75		XI-8.75
9.00		XI-9
9.50		XI-9.5
10.0		XI-10
10.6		XI-10.6
11.2		XI-11.2
11.8		XI-11.8
12.1		XI-12.1
12.5		XI-12.5
13.2		XI-13.2
14.0		XI-14
15.0		XI-15
16.0		XI-16
17.0		XI-17
18.0		XI-18
19.0		XI-19
20.0		XI-20
21.2		XI-21.2
22.4		XI-22.4
23.6		XI-23.6
25.0		XI-25
25.8		XI-25.8
26.5		XI-26.5
28.0		XI-28
30.0		XI-30
31.5		XI-31.5
32.5		XI-32.5
33.5		XI-33.5
34.5		XI-34.5
35.5		XI-35.5
36.5		XI-36.5
37.5		XI-37.5
38.7		XI-38.7
40.0		XI-40
41.2		XI-41.2
42.5		XI-42.5
43.7		XI-43.7
45.0		XI-45
46.2		XI-46.2
47.5		XI-47.5
48.7		XI-48.7
50.0	XI-50
65.0	XI-65

XGB O Ring (GB3452.1-2005)
Internal Diameter d	Section Diameter  d2	O Ring Part No.	Back Up Section
6.90	2.65±0.09	X2-6.9	Static Seal Back Up Size B=2.0mm H=1.25mm   Dynamic Seal Back Up Size B=2.2mm H=1.25mm
7.10		X2-7.1
7.50		X2-7.5
8.00		X2-8
8.50		X2-8.5
8.75		X2-8.75
9.00		X2-9
9.50		X2-9.5
10.0		X2-10
10.6		X2-10.6
11.2		X2-11.2
11.8		X2-11.8
12.5		X2-12.5
13.2		X2-13.2
14.0		X2-14
14.5		X2-14.5
15.0		X2-15
15.5		X2-15.5
16.0		X2-16
17.0		X2-17
18.0		X2-18
19.0		X2-19
20.0		X2-20
21.2		X2-21.2
22.4		X2-22.4
23.6		X2-23.6
24.3		X2-24.3
25.0		X2-25
25.8		X2-25.8
26.5		X2-26.5
27.3		X2-27.3
28.0		X2-28
29.0		X2-29
30.0		X2-30
31.5		X2-31.5
32.5		X2-32.5
33.5		X2-33.5
34.5		X2-34.5
35.5		X2-35.5
36.5		X2-36.5
37.5		X2-37.5
38.5		X2-38.5
38.7		X2-38.7
40.0		X2-40
41.2		X2-41.2
42.5		X2-42.5
43.7		X2-43.7
45.0		X2-45
46.2		X2-46.2
47.5		X2-47.5
48.7		X2-48.7
50.0		X2-50
51.5		X2-51.5
53.0		X2-53
54.5		X2-54.5
56.0		X2-56
58.0		X2-58
60.0		X2-60
61.5		X2-61.5
63.0		X2-63
65.0		X2-65
67.0		X2-67
69.0		X2-69
71.0		X2-71
73.0	X2-73
74.4	X2-74.4
75.0	X2-75
80.0	X2-80
85.0	X2-85
90.0	X2-90
95.0	X2-95
100	X2-100
106	X2-106
112	X2-112
118	X2-118
125	X2-125
132	X2-132
140	X2-140
150	X2-150
160	X2-160
170	X2-170
180	X2-180

XGB O Ring (GB3452.1-2005)
Internal Diameter d	Section Diameter  d2	O Ring Part No.	Back Up Section
17.0	3.55±0.1	X3-17	Static Seal Back Up Size B=2.7mm H=1.5mm   Dynamic Seal Back Up Size B=3.05mm H=1.5mm
18.0		X3-18
19.0		X3-19
20.0		X3-20
20.6		X3-20.6
21.2		X3-21.2
22.4		X3-22.4
23.6		X3-23.6
24.3		X3-24.3
25.0		X3-25
25.8		X3-25.8
26.5		X3-26.5
27.3		X3-27.3
28.0		X3-28
29.0		X3-29
30.0		X3-30
31.5		X3-31.5
32.5		X3-32.5
33.5		X3-33.5
34.5		X3-34.5
35.5		X3-35.5
36.5		X3-36.5
37.5		X3-37.5
38.7		X3-38.7
40.0		X3-40
41.2		X3-41.2
42.5		X3-42.5
43.7		X3-43.7
45.0		X3-45
46.2		X3-46.2
47.5		X3-47.5
48.7		X3-48.7
50.0		X3-50
51.5		X3-51.5
53.0		X3-53
54.5		X3-54.5
56.0		X3-56
58.0		X3-58
60.0		X3-60
61.5		X3-61.5
63.0		X3-63
65.0		X3-65
67.0		X3-67
69.0		X3-69
71.0		X3-71
73.0		X3-73
75.0		X3-75
77.5		X3-77.5
80.0		X3-80
82.5		X3-82.5
85.0		X3-85
87.5		X3-87.5
90.0		X3-90
92.5		X3-92.5
95.0		X3-95
97.5		X3-97.5
100		X3-100
103		X3-103
106		X3-106
109		X3-109
112		X3-112
115		X3-115
118		X3-118
122		X3-122
125	X3-125
128	X3-128
132	X3-132
136	X3-136
140	X3-140
142.5	X3-142.5
145	X3-145
147.5	X3-147.5
150	X3-150
152.5	X3-152.5
155	X3-155
157.5	X3-157.5
160	X3-160
162.5	X3-162.5
165	X3-165
167.5	X3-167.5
170	X3-170
172.5	X3-172.5
175	X3-175
177.5	X3-177.5
180	X3-180
182.5	X3-182.5
185	X3-185
187.5	X3-187.5
190	X3-190
195	X3-195
200	X3-200

XGB O Ring (GB3452.1-2005)
Internal Diameter d	Section Diameter  d2	O Ring Part No.	Back Up Section
40.0	5.3±0.13	X5-40	Static Seal Back Up Size B=4.25mm H=2.0mm   Dynamic Seal Back Up Size B=4.5mm H=2.0mm
41.2		X5-41.2
42.5		X5-42.5
43.0		X5-43
43.7		X5-43.7
45.0		X5-45
46.2		X5-46.2
47.5		X5-47.5
48.7		X5-48.7
50.0		X5-50
51.5		X5-51.5
53.0		X5-53
54.5		X5-54.5
56.0		X5-56
58.0		X5-58
60.0		X5-60
61.5		X5-61.5
63.0		X5-63
65.0		X5-65
67.0		X5-67
69.0		X5-69
71.0		X5-71
73.0		X5-73
75.0		X5-75
77.5		X5-77.5
80.0		X5-80
82.5		X5-82.5
85.0		X5-85
87.5		X5-87.5
90.0		X5-90
92.5		X5-92.5
95.0		X5-95
97.5		X5-97.5
100		X5-100
103		X5-103
106		X5-106
109		X5-109
112		X5-112
115		X5-115
118		X5-118
122		X5-122
125		X5-125
128		X5-128
132		X5-132
136		X5-136
140		X5-140
142.5		X5-142.5
145		X5-145
147.5		X5-147.5
150		X5-150
152.5		X5-152.5
155		X5-155
157.5		X5-157.5
160		X5-160
162.5		X5-162.5
165		X5-165
167.5		X5-167.5
170		X5-170
172.5		X5-172.5
175		X5-175
177.5		X5-177.5
180		X5-180
182.5		X5-182.5
185		X5-185
187.5	X5-187.5
190	X5-190
195	X5-195
200	X5-200
203	X5-203
206	X5-206
212	X5-212
218	X5-218
224	X5-224
227	X5-227
230	X5-230
236	X5-236
239	X5-239
243	X5-243
250	X5-250
254	X5-254
258	X5-258
261	X5-261
265	X5-265
268	X5-268
272	X5-272
276	X5-276
280	X5-280
283	X5-283
286	X5-286
290	X5-290
295	X5-295
300	X5-300
303	X5-303
307	X5-307
311	X5-311
315	X5-315
320	X5-320
325	X5-325
330	X5-330
335	X5-335
340	X5-340
345	X5-345
350	X5-350
355	X5-355
360	X5-360
365	X5-365
370	X5-370
375	X5-375
383	X5-383
387	X5-387
391	X5-391
395	X5-395
400	X5-400

XGB O Ring (GB3452.1-2005)
Internal Diameter d	Section Diameter  d2	O Ring Part No.	Back Up Section
109	7.0±0.15	X7-109	Static Seal Back Up Size B=5.75mm H=2.5mm   Dynamic Seal Back Up Size B=6.0mm H=2.5mm
112		X7-112
115		X7-115
118		X7-118
122		X7-122
125		X7-125
128		X7-128
132		X7-132
136		X7-136
140		X7-140
142.5		X7-142.5
145		X7-145
147.5		X7-147.5
150		X7-150
152.5		X7-152.5
155		X7-155
157.5		X7-157.5
160		X7-160
162.5		X7-162.5
165		X7-165
167.5		X7-167.5
170		X7-170
172.5		X7-172.5
175		X7-175
177.5		X7-177.5
180		X7-180
182.5		X7-182.5
185		X7-185
187.5		X7-187.5
190		X7-190
195		X7-195
200		X7-200
203		X7-203
206		X7-206
212		X7-212
216		X7-216
218		X7-218
224		X7-224
227		X7-227
230		X7-230
236		X7-236
239		X7-239
243		X7-243
250		X7-250
254		X7-254
258		X7-258
261		X7-261
265		X7-265
268		X7-268
272		X7-272
276		X7-276
280		X7-280
283		X7-283
286		X7-286
290		X7-290
295		X7-295
300		X7-300
303		X7-303
307		X7-307
311		X7-311
315		X7-315
320		X7-320
325		X7-325
330		X7-330
335	X7-335
340	X7-340
345	X7-345
350	X7-350
355	X7-355
360	X7-360
365	X7-365
370	X7-370
375	X7-375
379	X7-379
383	X7-383
387	X7-387
391	X7-391
395	X7-395
400	X7-400
406	X7-406
412	X7-412
418	X7-418
425	X7-425
429	X7-429
433	X7-433
437	X7-437
443	X7-443
450	X7-450
456	X7-456
462	X7-462
466	X7-466
475	X7-475
479	X7-479
483	X7-483
487	X7-487
493	X7-493
500	X7-500
508	X7-508
515	X7-515
523	X7-523
530	X7-530
538	X7-538
545	X7-545
553	X7-553
560	X7-560
570	X7-570
580	X7-580
590	X7-590
600	X7-600
608	X7-608
615	X7-615
623	X7-623
630	X7-630
640	X7-640
650	X7-650
660	X7-660
670	X7-670