Hydraulic Buffer Seals

Hydraulic Buffer Seals are a type of hydraulic sealing product developed by Ruichen Seals. We have been committed to the research and development of seals and sealing materials, and provide customized solutions while ensuring supply and production. The products are available in a variety of models, and you can choose according to your needs.

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Product Description

In hydraulic systems, hydraulic buffer seals play an important role. Ruichen Seals has developed a variety of hydraulic buffer seals for different needs and working conditions.

HBY and HBTS buffer seals are used on piston rods in combination with seals to absorb impact and fluctuating pressure under high load, isolate high-temperature fluids, and improve the service life and reliability of the sealing system. They are used in motor shovels, wheel loaders, bulldozers, truck cranes, wheel cranes, dump trucks, etc.

HBTS buffer seals are used in sealing systems such as engineering machinery.

KZT has the function of impurity immersion due to the polytetrafluoroethylene material. When used in combination with piston seals and guide rings, it prevents impurities and dirt in the oil cylinder from causing abnormal damage to the sealing system, ensuring the reliability and long life of the sealing system.

Product features and applications:

Material selection:

HBY

Sealing ring: polyurethane (PU) retaining ring: PA/POM

HBTS

Buffer ring: PTFE2, PTFE3, etc.

KZT

Standard material: PTFE3, other optional materials PTFE2, PTFE4 (see material description)

Structural diagram:

HBY

HBTS

KZT

Specifications and dimensions:

HBY

d	D	H	L	d	D	H	L	d	D	H	L	d	D	H	L
40	55.5	6	6.3	70	85.5	6	6.3	105	120.5	6	6.3	150	165.5	6	6.3
45	60.5	6	6.3	75	90.5	6	6.3	110	125.5	6	6.3	155	170.5	6	6.3
50	65.5	6	6.3	80	95.5	6	6.3	115	130.5	6	6.3	160	175.5	6	6.3
55	70.5	6	6.3	85	100.5	6	6.3	120	135.5	6	6.3	170	185.5	6	6.3
60	75.5	6	6.3	90	105.5	6	6.3	125	140.5	6	6.3	180	195.5	6	6.3
63	78.5	6	6.3	95	110.5	6	6.3	130	145.5	6	6.3
65	80.5	6	6.3	100	115.5	6	6.3	140	155.5	6	6.3
Note: Other specifications can be customized upon request. Machined seals are also available.

HBTS

Nominal size of seals			L
d	D	h	L
40	55.5	5.9	6.3
45	60.5	5.9	6.3
50	65.5	5.9	6.3
55	70.5	5.9	6.3
60	75.5	5.9	6.3
65	80.5	5.9	6.3
70	85.5	5.9	6.3
75	90.5	5.9	6.3
80	95.5	5.9	6.3
85	100.5	5.9	6.3
90	105.5	5.9	6.3
100	115.5	5.9	6.3
110	125.5	5.9	6.3
120	135.5	5.9	6.3
130	145.5	5.9	6.3
140	155.5	5.9	6.3
Note: Other specifications can be customized upon request. Machined seals are also available.

KZT

D	d	H	L	D	d	H	L	D	d	H	L	D	d	H	L
20	14	5	5.2	63	55	6	6.2	120	112	6	6.2	230	222	8	8.2
25	19	5	5.2	65	57	6	6.2	125	117	6	6.2	240	232	8	8.2
30	24	5	5.2	70	62	6	6.2	130	122	6	6.2	250	242	8	8.2
31.5	25.5	5	5.2	71	63	6	6.2	135	127	6	6.2	260	252	8	8.2
32	26	5	5.2	75	67	6	6.2	140	132	6	6.2	270	262	8	8.2
35	29	5	5.2	80	72	6	6.2	150	142	6	6.2	280	272	8	8.2
35.5	29.5	5	5.2	85	77	6	6.2	160	152	6	6.2	290	282	8	8.2
40	34	5	5.2	90	82	6	6.2	170	162	8	8.2	300	392	8	8.2
45	39	5	5.2	95	87	6	6.2	180	172	8	8.2	310	302	8	8.2
50	44	5	5.2	100	92	6	6.2	190	182	8	8.2	320	312	8	8.2
53	47	5	5.2	105	97	6	6.2	200	192	8	8.2	340	332	8	8.2
55	49	5	5.2	110	102	6	6.2	210	202	8	8.2	350	342	8	8.2
56	50	5	5.2	112	104	6	6.2	220	212	8	8.2
60	54	5	5.2	115	107	6	6.2	224	216	8	8.2
Note: Cutting products are available, any size of standard cross-section is available, and the diameter is not limited.

Hydraulic Buffer Seals

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Contact Info

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Address

No.1 Ruichen Road, Dongliuting Industrial Park, Chengyang District, Qingdao City, Shandong Province, China
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Tel

+86-532-82809839
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E-mail

info.sealing@ruichenseal.com

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