GK Rod Seals

Function and Usage
GK Rod Seal is combined by a shaft seal and a special shaped rubber sealing ring, the special shaped rubber sealing ring performs the sealing function, and also, provides the preload and wear compensation to the shaft seal. Under the working condition, the system pressure is acting on the special shaped sealing ring, which increases the radial contact stress between the dynamic lip and the piston rod. Under the high pressure, the shaft seal can effectively resist the pressure of the system. GK Rod Seal in general used together with the GFAI and GFI seal.
 
Advantage
--High temperature resistance (depending on the material of the special shaped rubber sealing ring)
--Excellent reverse pumping capability throughout the pressure range
--Good mechanical properties and wear resistance
--Compression deformation is small
 
Material
Standard usage
Special Shaped Rubber Sealing Ring Material: Nitrile Rubber (NBR)  Our Material Code: N900
Shaft Seal Material:Filled PTFE  Our Material Code: T605
Combination Code: N900T
 
If the working condition is under high temperature or chemical resistant medium, we suggest to use FKM (Fluoro Rubber) for the sealing body, Our Material Code: F900, Combination Code: F900T.
 
Technical Data
The Standard GK Rod Seal is mainly used for the hydraulic cylinder for walking equipment.
Working Pressure: ≤45MPa
Speed: ≤1m/s  
Working Temperature：-35℃ to +200℃ 
Working Medium: Mineral hydraulic oil, emulsion, water and other media
Tips: Limit value of the above data, can not be used at the same time. The maximum working pressure depends on the type of material, the pressure, the temperature, the gap, and etc.. In actual usage, due to the mutual influence of working parameters, the maximum value setting is lower.
 
Installation
Groove: Both Closed and Opened (Open type groove is recommended for the limit diameter and limit cross section.)
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.
 
Example of the Order Part No. :
GK Rod Seal
Series No.: GK    Piston Rod Diameter: d=100mm 
Part Number: GK100120N900T
GK: Series Number
100: Piston Rod Diameter
120: Groove Diameter
N900T: Material Code

GK Rod Seals
d	D	L	H	C	Part No.	Remarks
20	28	7.5	7	6	GK020028	●
22	30	7.5	7	6	GK022030	●
23	31	7.5	7	6	GK023031	○
25	33	7.5	7	6	GK025033	●
28	36	7.5	7	6	GK028036	●
30	38	7.5	7	6	GK030038	●
32	40	7.5	7	6	GK032040	●
35	43	7.5	7	6	GK035043	●
36	44	8.5	8	6	GK036044	●
40	48	8.5	8	6	GK040048	○
42	50	8.5	8	6	GK042050	○
45	55	11	10	6	GK045055	●
47	57	11	10	6	GK047057	○
48	58	11	10	6	GK048058	○
50	60	11	10	6	GK050060	●
52	62	11	10	6	GK052062	○
55	65	11	10	6	GK055065	●
60	75	13	12	7	GK060075	○
63	78	13	12	7	GK063078	●
65	80	11	10	7	GK065080	○
68	78	13	12	7	GK068078	○
70	85	13	12	7	GK070085	●
72	87	13	12	7	GK072087	○
75	90	13	12	7	GK075090	○
80	95	13	12	7	GK080095	●
83	98	13	12	7	GK083098	○
85	100	13	12	7	GK085100	○
87	102	13	12	7	GK087102	○
90	105	13	12	7	GK090105	●
95	110	13	12	7	GK095110	○
96	111	13	12	7	GK096111	○
100	115	13	12	7	GK100115	●
100	120	15	14	7	GK100120	○
105	120	13	12	10	GK105120	○
110	125	13	12	10	GK110125	●
115	126	16	15	10	GK115126	○
115	130	13	12	10	GK115130	○
120	140	17	16	10	GK120140	●
125	145	17	16	10	GK125145	●
130	150	17	16	10	GK130150	○
135	155	17	16	10	GK135155	○
140	155	18	17	10	GK140155	○
140	160	17	16	10	GK140160	○
150	170	17	16	10	GK150170	○
155	175	17	16	10	GK155175	○
160	180	17	16	10	GK160180A	●
160	180	21	20	10	GK160180B	○
165	185	17	16	10	GK165185	○
170	190	17	16	10	GK170190	○
175	195	17	16	10	GK175195	○
180	200	17	16	10	GK180200	●
185	205	17	16	10	GK185205	○
190	210	17	16	10	GK190210	○
190	214	17	16	10	GK190214	○
200	220	17	16	10	GK200220	○
210	230	17	16	10	GK210230	○
220	240	17	16	10	GK220240	○
225	245	17	16	10	GK225245	○
230	250	21	20	10	GK230250	○
240	260	17	16	10	GK240260	●
250	270	17	16	10	GK250270	○
250	280	21	20	10	GK250280	●
254	274	17	16	10	GK254274	○
260	280	17	16	10	GK260280	○
270	290	17	16	10	GK270290	○
280	300	17	16	10	GK280300	○
290	310	17	16	10	GK290310	○
300	320	17	16	10	GK300320	○
320	350	21	20	10	GK320350	○
330	360	21	20	10	GK330360	○
340	370	21	20	10	GK340370	○
350	380	21	20	10	GK350380	○
360	390	21	20	10	GK360390	○
Notice: 1. “●” means the seal has existing mould; 2. “○” means no existing mould, but can provide the turning type seals. If any special requirements of the materials and sizes, please contact with us.