Uszczelnienie dławnicowe do obrotu

K702 is a two piece double-acting sealing set which consists of one special mixture PTFE profile ring and an O-ring as energizing element.

PRODUCT ADVANTAGES
• Able to use at high pressures and low peripheral speeds
• Low friction , free of stick-slip
• Simple groove design and low axial housing heights
• Long service life
• High sliding speed
• Wide range of temperature and chemicals depending on the o-ring material
• Minimum static and dynamic friction coeficient for a minimum energy loss and operating temperature

APPLICATION
Mobile hydraulics , grippers and rotary joints.

MATERIAL		CODE
NBR	70 SHORE A	NB⁷⁰⁰¹
PTFE		PT⁶⁰⁰³

OPERATING CONDITION
MEDIA	Mineral oils(DIN 51524)	HFA and HFB	HFC
TEMPERATURE	-30°C +105°C	+5°C +60°C	-30°C +60°C
PRESSURE	≤300 Bar	≤300 Bar	≤300 Bar
SPEED	≤5.0 m/sn	≤5.0 m/sn	≤5.0 m/sn

Note: The above data are maximum values and cannot be used at the same time.

SURFRACE ROUGHNESS	Ra	Rmax
Sliding Surface Ød	≤0.2 μm	≤2.0 μm
Groove Base ØD	≤1.6 μm	≤6.3 μm
Groove Flanks B	≤3.2 μm	≤16 μm

Note: It is recommended to have 50% to 90% of the working surface material contact area value.
INSTALLATION
We recommend using special assembly tool (See section; Hydraulic Sealing Elements General Installation Information). It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the sealing element must be oiled with system oil.
NOTES
For special applications that require high temperatures or resistance to chemicals , rod seal is being manufactured with special mixture PTFE and FKM material. The permissible sealing gap values of K702 rod seal for rotating application is given in the below table.

PERMISSIBLE SEALING GAP
B (mm)	S max (mm)
	100 Bar	200 Bar	300 Bar
2.2	0.15	0.10	0.075
3.2	0.20	0.15	0.10
4.2	0.20	0.15	0.10
6.3	0.30	0.20	0.15
8.1	0.30	0.20	0.15

Note: The largest sealing gap value occurring on the non-pressurized side of the seal does have a vital importance for the function of the seal and in this respect it is quite important to use the S value lower than the above indicated numbers.

KASTAŞ NO	d (f8)	D (H9)	B (-0/+0,2	r	n	o ring
K702-010	10	14,9	2,2	0,4	2	11,11x1,78
K702-012	12	16,9	2,2	0,4	2	14,00x1,78
K702-015	15	19,9	2,2	0,4	2	17,17x1,78
K702-020	20	27,5	3,2	0,6	2,5	21,89x2,62
K702-020/1	20	24,9	2,2	0,4	2	21,95x1,78
K702-025	25	32,5	3,2	0,6	2,5	28,25x2,62
K702-025/1	25,4	32,9	3,2	0,6	2,5	28,25x2,62
K702-028	28	35.5	3.2	0.6	2.5	33 x 2.62
K702-030	30	37,5	3,2	0,6	2,5	33,00x2,62
K702-035	35	42,5	3,2	0,6	2,5	37,77x2,62
K702-036	36	43,5	3,2	0,6	2,5	39,34x2,62
K702-040	40	51	4,2	0,8	3,5	44,04x3,53
K702-040/1	40	55.5	6.3	1.2	5	47 x 5.33
K702-045	45	56	4,2	0,8	3,5	50,39x3,53
K702-050	50	61	4,2	0,8	3,5	53,57x3,53
K702-055	55	66	4,2	0,8	3,5	59,92x3,53
K702-056	56	67	4.2	0.8	3.5	60.33 x 3.
K702-060	60	71	4,2	0,8	3,5	65,10x3,53
K702-060/1	60	75,5	6,3	1,2	5	66,04x5,33
K702-065	65	76	4,2	0,8	3,5	69,44x3,53
K702-070	70	81	4,2	0,8	3,5	75,79x3,53
K702-075	75	86	4,2	0,8	3,5	78,97x3,53
K702-080	80	91	4,2	0,8	3,5	85,32x3,53
K702-080/1	80	95.5	6.3	1.2	5	85.09 x 5.
K702-085	85	96	4,2	0,8	3,5	88,49x3,53
K702-090	90	101	4,2	0,8	3,5	94,84x3,53
K702-095	95	106	4,2	0,8	3,5	101,19x3,5
K702-100	100	111	4,2	0,8	3,5	104,37x3,5
K702-100/1	100	115.5	6.3	1.2	5	104.14 x 5
K702-105	105	116	4,2	0,8	3,5	110,72x3,5
K702-110	110	121	4,2	0,8	3,5	113,90x3,5
K702-115	115	126	4,2	0,8	3,5	120,24x3,5
K702-120	120	131	4,2	0,8	3,5	123,40x3,5
K702-125	125	136	4,2	0,8	3,5	129,77x3,5
K702-125/1	125	140.5	6.3	1.2	5	130.2 x 5.
K702-130	130	141	4,2	0,8	3,5	136,12x3,5
K702-140	140	151	4,2	0,8	3,5	145,64x3,5
K702-140/1	140	155.5	6.3	1.2	5	146.05 x 5
K702-145	145	156	4,2	0,8	3,5	148,82x3,5
K702-150	150	161	4,2	0,8	3,5	158,34x3,5
K702-150/1	150	165,5	6,3	1,2	5	158,12x5,3
K702-155	155	166	4,2	0,8	3,5	158,34x3,5
K702-160	160	171	4,2	0,8	3,5	164,70x3,5
K702-165	165	180,5	6,3	1,2	5	170,82x5,3
K702-170	170	181	4,2	0,8	3,5	171,05x3,5
K702-180/1	180	195,5	6,3	1,2	5	183,52x5,3
K702-190	190	201	4,2	0,8	3,5	196,44x3,5
K702-200	200	215,5	6,3	1,2	5	208,92x5,3
K702-210	210	225,5	6,3	1,2	5	221,62x5,3
K702-220	220	235,5	6,3	1,2	5	227,97x5,3
K702-240	240	255,5	6,3	1,2	5	247,02x5,3
K702-250	250	265,5	6,3	1,2	5	253,57x5,3
K702-280	280	301	8,1	1,6	6,5	291,47X6,9
K702-300	300	321	8,1	1,6	6,5	304,17x6,9

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