KR Piston seal

Product code	Product name	Price	Unit
80663603500	KPD 35 x 27,5 x 3,2	13,79	Pcs
80663603530	KPD 35 x 24,0 x 4,2	13,79	Pcs
80663602500	KR 25 X 17,5 X 3,2	12,57	Pcs
80663603200	KR 32 X 24,5 X 3,2	15,81	Pcs
80663604000	KR 40 X 29 X 4,2	15,81	Pcs
80663605000	KR 50 X 39 X 4,2	15,81	Pcs
80663605100	KR 50 X 34,5 X 6,3	16,27	Pcs
80663605505	KPD 55 X 44 X 4,2	17,08	Pcs
80663605510	KR 55 X 39,5 X 6,3	23,26	Pcs
80663606000	KR 60 X 49 X 4,2	16,74	Pcs
80663606010	KR 60 X 44,5 X 6,3	49,86	Pcs
80663606300	KR 63 X 52 X 4,2	17,21	Pcs
80663606400	KR 63 X 47,5 X 6,3	25,23	Pcs
80663607000	KR 70 X 59 X 4,2	19,53	Pcs
80663607100	KR 70 X 57 X 6,3	28,44	Pcs
80663607200	KR 70 X 54,5 X 6,3	23,72	Pcs
80663607500	KR 75 X 59,5 X 6,3	25,85	Pcs
80663608000	KR 80 X 64,5 X 6,3	25,85	Pcs
80663608100	KR 80 X 66,5 X 6,3	51,16	Pcs
80663608200	KR 80 X 69 X 4,2	51,16	Pcs

Operating conditions

Pressure: ≤ 300 bar

Temperature: -35°C...+110°C (momentarily 125°C)

Speed: ≤ 0,5 m/s

Fluids: Hydraulic fluids (mineral oil based); PAO fluids

Materials

(1) Sealing part, Modified polyurethane (approx. 55 Shore D)

(2) Expander ring, NBR (hardness 80 Shore A)

Installation

- Sealing groove must be clean and have given curves

- Installation chamfer of the cylinder tube must be according to instructions

Tolerances

d = h9, D = H9, L = +0,2

Advantages

- Excellent sealing performance both in static and dynamic conditions

- Can be used as single acting seal

- Excellent wear resistance

- Low dynamic friction

- High extrusion resistance

- Simple snapping installation on a solid piston

- Installation housings according to ISO 7425/1

- Short axial installation length

- Can be installed into a one-piece piston