U1 Piston Seal is a kind of lip seal used for installing piston in the groove. The material used is imported CPU. Other PU ratio on the market of this product, the main advantages are heat resistance, small compression deformation, wear resistance, easy to install, adapt to harsh working conditions.

Standard Design			PU
Special (on request)			FKM

Specification		Groove size
		DH₉/f₈		dhio	Ha		HB		T
11-5-8		11		5	9		10.5		1.5
12-6-8		12		6	9		10.5		1.5
14-8-8		14		8	9		10.5		1.5
16-10-8		16		10	9		10.5		1.5
18-12-8		18		12	9		10.5		1.5
20-14-8		20		14	9		10.5		1.5
22-16-8		22		16	9		10.5		1.5
24-18-8		24		18	9		10.5		1.5
25-19-8		25		19	9		10.5		1.5
27-21-8		27		21	9		10.5		1.5
28-22-8		28		22	9		10.5		1.5
30-22-10		30		22	12		13.5		1.5
32-24-10		32		24	12		13.5		1.5
35-27-10		35		27	12		13.5		1.5
36-28-10		36		28	12		13.5		1.5
40-32-10		40		32	12		13.5		1.5
43-35-10		43		35	12		13.5		1.5
45-37-10		45		37	12		13.5		1.5
50-42-10		50		42	12		13.5		1.5
55-43-14		55		43	16		18		2
55-47-10		55		47	12		13.5		1.5
56-44-14		56		44	16		18		2
56-48-14		56		48	12		13.5		2
60-48-14		60		48	16		18		2
63-51-14		63		51	16		18		2
65-53-14		65		53	16		18		2
68-56-14		68		56	16		18		2
70-58-14		70		58	16		18		2
75-63-14		75		63	16		18		2
78-66-14		78		66	16		18		2
80-68-14		80		68	16		18		2
85-73-14		85		73	16		18		2
90-78-14		90		78	16		18		2
95-83-14		95		83	16		18		2

Specification		Groove size
		DH₉/f₈	dhio	HA	HB	T
100-88-14		100	88	16	18	2
105-89-18		105	89	20	22.5	2.5
110-90-16		110	90	18	20	2
110-94-18		110	94	20	22.5	2.5
115-99-18		115	99	20	22.5	2.5
120-104-18		120	104	20	22.5	2.5
125-109-18		125	109	20	22.5	2.5
127-111-18		127	111	20	22.5	2.5
130-114-18		130	114	20	22.5	2.5
135-119-18		135	119	20	22.5	2.5
140-124-18		140	124	20	22.5	2.5
145-129-18		145	129	20	22.5	2.5
150-134-18		150	134	20	22.5	2.5
155-139-18		155	139	20	22.5	2.5
160-144-18		160	144	20	22.5	2.5
165-149-18		165	149	20	22.5	2.5
170-154-18		170	154	20	22.5	2.5
175-159-18		175	159	20	22.5	2.5
180-164-18		180	164	20	22.5	2.5
185-169-18		185	169	20	22.5	2.5
190-174-18		190	174	20	22.5	2.5
195-179-18		195	179	20	22.5	2.5
200-184-18		200	184	20	22.5	2.5
210-194-18		210	194	20	22.5	2.5
215-199-18		215	199	20	22.5	2.5
220-204-18		220	204	20	22.5	2.5
225-209-18		225	209	20	22.5	2.5
230-214-18		230	214	20	22.5	2.5
240-224-18		240	224	20	22.5	2.5
245-229-18		245	229	20	22.5	2.5
250-234-18		250	234	20	22.5	2.5
255-239-18		255	139	20	22.5	2.5
260-244-18		260	244	20	22.5	2.5
265-249-18		265	249	20	22.5	2.5

Pressure [MPa]

Temperature [℃]

Sliding speed[m/s]

Medium

Standard

40

-35...+100

0.5

Hydraulic oils (mineral oil-based)

● Particularly strong wear resistance. ● Insensitivity to shock loads and pressure peaks. ● High crush resistance. ● It has an ideal sealing effect under no load and low-temperature conditions. ● Suitable for demanding working conditions. ● Easy to install.