RU-LTA

RU-LTA
RU-LTA Loaded B/Twin-Lip Asymmetrical Rod U-Seals
MATERIALTEMPERATURE RANGE
Urethane (standard)-40°F (-40°C) TO 200°F (93°C)
– U145-65°F (-53°C) TO 200°F (93°C)
– U150-58°F (-50°C) TO 230°F (110°C)
– U151-65°F (-53°C) TO 250°F (120°C)
Hytrel® (H55)-65°F (-54°C) TO 275°F (135°C)
*Temperature range and material color may vary based on individual compound
PRESSURE RANGE5800 psi (400 bar)
PART NUMBER(RU)-(Size Number)-(LTA)-(suffix if applicable) No Suffix is our Generic urethane, ‘U145 thru U151’ designates a specific Urethane material, and ‘H55’ designates Hytrel®.
Patriot’s RU-LTA Asymmetrical B/Twin Lip Rod U-Seal with Anti-Extrusion Ring, are for use in reciprocating, linear rod applications up to 5800psi (400bar). They are made of 90-95 durometer Shore A, TPU (Aromatic polyester-based thermoplastic polyurethane). The twin lip design offers increased seal stability, lower friction, and high dynamic lip sealing force, while the rubber expander creates a compression style seal and still operate as a pressure actuated u-cup design.
Cross Section
0.187″
316
0.25″
14
0.312″
516
0.375″
38
0.5″
12
A Nom ID
1.25″
114
1.375″
138
1.5″
112
1.75″
134
2″
2.125″
218
2.25″
214
2.375″
238
2.5″
212
2.75″
234
3″
3.25″
314
3.5″
312
3.75″
334
4″
4.25″
414
4.5″
412
4.75″
434
5″
5.25″
514
5.5″
512
5.75″
534
6″
6.25″
614
6.5″
612
6.75″
634
7″
8″
8.5″
812
9″
10″
10 
10.5″
1012
11″
11 
12″
12 
13″
13 
14″
14 
15″
15 
B Nom OD
1.625″
158
1.874″
1.874 
1.875″
178
2″
2.124″
218
2.125″
218
2.25″
214
2.374″
238
2.375″
238
2.5″
212
2.625″
258
2.75″
234
2.875″
278
3″
3.125″
318
3.25″
314
3.5″
312
3.624″
358
3.625″
358
3.75″
334
4″
4.124″
418
4.125″
418
4.25″
414
4.5″
412
4.625″
458
4.75″
434
5″
5.125″
518
5.25″
514
5.5″
512
5.625″
558
5.75″
534
6″
6.125″
618
6.5″
612
6.75″
634
7″
7.25″
714
7.5″
712
7.625″
758
7.75″
734
8.5″
812
8.75″
834
9.25″
914
9.75″
934
10″
10 
10.5″
1012
10.75″
1034
11″
11 
11.125″
1118
11.75″
1134
12.75″
1234
13″
13 
13.625″
1358
15″
15 
16″
16 
C Nom Hgt
0.25″
14
0.312″
516
0.313″
516
0.375″
38
0.5″
12
0.562″
916
0.625″
58
0.75″
34
Clear Filters
Product Cross SectionA Nom IDB Nom ODC Nom HgtAvailability
RU‑187‑01.25‑250B‑LTA 316
0.187″
114
1.25″
158
1.625″
14
0.25″
STOCK
RU‑187‑01.25‑312B‑LTA 316
0.187″
114
1.25″
158
1.625″
516
0.313″
*1-3 Days
RU‑250‑01.375‑375B‑LTA 14
0.25″
138
1.375″
178
1.875″
38
0.375″
STOCK
RU‑187‑01.500‑312B‑LTA 316
0.187″
112
1.5″
1.874 
1.874″
516
0.312″
STOCK
RU‑187‑01.50‑250B‑LTA 316
0.187″
112
1.5″
178
1.875″
14
0.25″
*1-3 Days
RU‑187‑01.500‑250B‑LTA 316
0.187″
112
1.5″
178
1.875″
14
0.25″
STOCK
RU‑187‑01.50‑312B‑LTA 316
0.187″
112
1.5″
178
1.875″
516
0.312″
*1-3 Days
RU‑250‑01.50‑375B‑LTA 14
0.25″
112
1.5″
2″
38
0.375″
*1-3 Days
RU‑250‑01.500‑375B‑LTA 14
0.25″
112
1.5″
2″
38
0.375″
*1-3 Days
RU‑187‑01.750‑375B‑LTA 316
0.187″
134
1.75″
218
2.124″
38
0.375″
STOCK
RU‑187‑01.75‑250B‑LTA 316
0.187″
134
1.75″
218
2.125″
14
0.25″
*1-3 Days
RU‑187‑01.750‑250B‑LTA 316
0.187″
134
1.75″
218
2.125″
14
0.25″
*1-3 Days
RU‑187‑01.75‑375B‑LTA 316
0.187″
134
1.75″
218
2.125″
38
0.375″
*1-3 Days
RU‑250‑01.75‑375B‑LTA 14
0.25″
134
1.75″
214
2.25″
38
0.375″
*1-3 Days
RU‑250‑01.750‑375B‑LTA 14
0.25″
134
1.75″
214
2.25″
38
0.375″
STOCK
RU‑250‑10.00‑562B‑LTA 14
0.25″
10 
10″
1012
10.5″
916
0.562″
*1-3 Days
RU‑375‑10.00‑625B‑LTA 38
0.375″
10 
10″
1034
10.75″
58
0.625″
*1-3 Days
RU‑500‑10.00‑0.75B‑LTA 12
0.5″
10 
10″
11 
11″
34
0.75″
*1-3 Days
RU‑312‑10.50‑562B‑LTA 516
0.312″
1012
10.5″
1118
11.125″
916
0.562″
*1-3 Days
RU‑375‑11.00‑625B‑LTA 38
0.375″
11 
11″
1134
11.75″
58
0.625″
*1-3 Days
RU‑375‑12.00‑625B‑LTA 38
0.375″
12 
12″
1234
12.75″
58
0.625″
*1-3 Days
RU‑500‑12.00‑750B‑LTA 12
0.5″
12 
12″
13 
13″
34
0.75″
*1-3 Days
RU‑312‑13.00‑562B‑LTA 516
0.312″
13 
13″
1358
13.625″
916
0.562″
*1-3 Days
RU‑500‑14.00‑750B‑LTA 12
0.5″
14 
14″
15 
15″
34
0.75″
*1-3 Days
RU‑500‑15.00‑750B‑LTA 12
0.5″
15 
15″
16 
16″
34
0.75″
*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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