BU HYTREL

BU HYTREL BACKUP-UP O-RING by Patriot Fluid Power
Seal Information (BU HYTREL)
MATERIAL :Hytrel® (TPE)
TEMPERATURE RANGE :-65°F (-54°C) TO +275°F (135°C) Depending on compound
PRESSURE RANGE :55 Shore D (See Chart)
PART NUMBER :(BU)–(Dash No.)-(H55D)
Chemical Compatibility : – Hydraulic oil and other petroleum-based fluids
– Water based fluids
– Solvents
– Phosphate esters
– Excellent tear and abrasion resistance

Hytrel® (TPE) Thermoplastic Polyester Elastomer, has exceptionally high tear strength, abrasion resistance, modulus, and a wide temperature range. Hytrel® is not compatible with cresols, phenols, and highly concentrated acids. Due to its higher hardness and modulus, it is suitable for high pressure service where extrusion might be an issue. Seals made from this material can be difficult to install. Also, care must be taken not to damage the seal lips during assembly into the gland.

Cross Section
0.062″
116
0.093″
332
0.125″
18
0.125″
18
0.187″
316
0.250″
14
A Nom ID
0.437″
716
0.500″
12
0.562″
916
0.625″
58
0.687″
1116
0.750″
34
0.812″
1316
0.875″
78
0.937″
1516
1″
1.062″
1116
1.125″
118
1.187″
1316
1.250″
114
1.312″
1516
1.375″
138
1.437″
1716
1.500″
112
1.562″
1916
1.625″
158
1.687″
11116
1.750″
134
1.812″
11316
1.875″
178
1.937″
11516
2″
2.062″
2116
2.125″
218
2.187″
2316
2.250″
214
2.312″
2516
2.375″
238
2.437″
2716
2.500″
212
2.562″
2916
2.625″
258
2.687″
21116
2.750″
234
2.75″
234
2.812″
21316
2.875″
278
2/7/8″
2/7/8 
3″
3.125″
318
3.250″
314
3.375″
338
3.500″
312
3.625″
358
3.750″
334
3.875″
378
4″
4.125″
418
4.250″
414
4.375″
438
4.500″
412
4.625″
458
4.750″
434
4.875″
478
5″
5.125″
518
5.250″
514
5.375″
538
5.500″
512
5.625″
558
5.750″
534
5.875″
578
6″
6.250″
614
6.500″
612
6.750″
634
7″
7.250″
714
7.500″
712
7.750″
734
8″
8.250″
814
8.500″
812
8.750″
834
9″
9.500″
912
9.750″
934
10.500″
1012
11″
11 
12″
12 
13″
13 
B Nom OD
0.625″
58
0.687″
1116
0.750″
34
0.812″
1316
0.875″
78
0.937″
1516
1″
1.062″
1116
1.125″
118
1.187″
1316
1.250″
114
1.312″
1516
1.375″
138
1.437″
1716
1.500″
112
1.562″
1916
1.625″
158
1.687″
11116
1.750″
134
1.875″
178
1.937″
11516
2″
2.062″
2116
2.125″
218
2.187″
2316
2.250″
214
2.312″
2516
2.375″
238
2.437″
2716
2.500″
212
2.562″
2916
2.625″
258
2.687″
21116
2.750″
234
2.812″
21316
2.875″
278
2.937″
21516
3″
3″
3.062″
3116
3.125″
318
3.187″
3316
3.250″
314
3.375″
338
3.437″
3716
3.500″
312
3.625″
358
3.687″
31116
3.750″
334
3.875″
378
3.937″
31516
4″
4.125″
418
4.187″
4316
4.250″
414
4.375″
438
4.437″
4716
4.500″
412
4.625″
458
4.750″
434
4.875″
478
4.937″
41516
5″
5.125″
518
5.187″
5316
5.250″
514
5.375″
538
5.437″
5716
5.500″
512
5.625″
558
5.687″
51116
5.750″
534
5.875″
578
5.937″
51516
6″
6.125″
618
6.187″
6316
6.250″
614
6.375″
638
6.500″
612
6.625″
658
6.750″
634
6.875″
678
7″
7.125″
718
7.250″
714
7.500″
712
7.625″
758
7.750″
734
7.875″
778
8″
8.125″
818
8.250″
814
8.375″
838
8.500″
812
8.625″
858
8.750″
834
8.875″
878
9″
9.125″
918
9.250″
914
9.500″
912
9.750″
934
9.875″
978
10″
10 
10.750″
1034
11″
11 
11.250″
1114
12.250″
1214
13.500″
1312
C Nom Hgt
0.049″
0.049 
0.05″
0.05 
0.050″
0.050 
0.053″
0.053 
0.076″
0.076 
0.117″
0.117 
ProductCross SectionA Nom IDB Nom ODC Nom HgtAvailability
BU‑150 H55D 332
0.093″
2/7/8 
2/7/8″
3116
3.062″
0.053 
0.053″
*1-3 Days
BU‑111 H55D 332
0.093″
716
0.437″
58
0.625″
0.053 
0.053″
*1-3 Days
BU‑205 H55D 18
0.125″
716
0.437″
1116
0.687″
0.050 
0.050″
*1-3 Days
BU‑309 H55D 316
0.187″
716
0.437″
1316
0.812″
0.076 
0.076″
*1-3 Days
BU‑014 H55D 116
0.062″
12
0.500″
58
0.625″
0.049 
0.049″
*1-3 Days
BU‑112 H55D 332
0.093″
12
0.500″
1116
0.687″
0.053 
0.053″
*1-3 Days
BU‑206 H55D 18
0.125″
12
0.500″
34
0.750″
0.050 
0.050″
*1-3 Days
BU‑310 H55D 316
0.187″
12
0.500″
78
0.875″
0.076 
0.076″
*1-3 Days
BU‑015 H55D 116
0.062″
916
0.562″
1116
0.687″
0.049 
0.049″
STOCK
BU‑113 H55D 332
0.093″
916
0.562″
34
0.750″
0.053 
0.053″
*1-3 Days
BU‑207 H55D 18
0.125″
916
0.562″
1316
0.812″
0.050 
0.050″
*1-3 Days
BU‑311 H55D 316
0.187″
916
0.562″
1516
0.937″
0.076 
0.076″
*1-3 Days
BU‑016 H55D 116
0.062″
58
0.625″
34
0.750″
0.049 
0.049″
STOCK
BU‑114 H55D 332
0.093″
58
0.625″
1316
0.812″
0.053 
0.053″
*1-3 Days
BU‑208 H55D 18
0.125″
58
0.625″
78
0.875″
0.050 
0.050″
*1-3 Days
BU‑312 H55D 316
0.187″
58
0.625″
1″
0.076 
0.076″
STOCK
BU‑017 H55D 116
0.062″
1116
0.687″
1316
0.812″
0.049 
0.049″
*1-3 Days
BU‑115 H55D 332
0.093″
1116
0.687″
78
0.875″
0.053 
0.053″
*1-3 Days
BU‑209 H55D 18
0.125″
1116
0.687″
1516
0.937″
0.050 
0.050″
*1-3 Days
BU‑018 H55D 116
0.062″
34
0.750″
78
0.875″
0.049 
0.049″
*1-3 Days
BU‑116 H55D 332
0.093″
34
0.750″
1516
0.937″
0.053 
0.053″
*1-3 Days
BU‑210 H55D 18
0.125″
34
0.750″
1″
0.050 
0.050″
*1-3 Days
BU‑314 H55D 316
0.187″
34
0.750″
118
1.125″
0.076 
0.076″
*1-3 Days
BU‑019 H55D 116
0.062″
1316
0.812″
1516
0.937″
0.049 
0.049″
*1-3 Days
BU‑117 H55D 332
0.093″
1316
0.812″
1″
0.053 
0.053″
*1-3 Days
* This is an estimated delivery time, all delivery times may vary depending on factory lead times. A confirming sales order will be sent to you with updated delivery information when necessary.
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