KDSA

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KDSA PISTON SEAL

 

DESCRIPTION

In the compact seals two profiles are available: KDSA and KDSB. KDSA Piston Seal is composed of a central unit made of nitrilic rubber working as a seal, two side supports, working as anti-extrusion rings, and two external guide rings, keeping the piston position in the cylinder aligned.

 

TECHNICAL DATA

Pressure: from 0 to 300 bar with peak still 400 bar at 60°C

Speed: <0.5 m/s

Temperature: from -30°C to +100°C

Fluids: Mineral oils

 

MATERIAL

The compounds used to manufacture this seal type are the following:

– the centralun it is made of NBR , the hardness is 70 Sh A ± 3

– the side supports are made of thermo plastic elastomer (TPE)

-the external wearrings are made of polyacetalic resin (POM) Compound reference: CX

 

ASSEMBLY

The assembly of this seal can be carried out in either closed groove, on a monobloc piston, or in open groove, on a two-part piston. The assembly order is as follows:

  1. rubber element;
  2. supports;
  3. wear rings.

The piston must not have machining scores which might damage the rubber unit during the installation.

 

 

DRAWING KDSA PISTON SEAL

kdsa piston seal artic seals

 

ARTICLES KDSA PISTON SEAL

Dh9 dh9 E+0,2 d1h9 d2±0,2 E1 0/+0,1 C R ART  /  ITEM
32,0 24,0 15,5 28,0 31,4 3,2 0,4 3,5 KDSA 0320 0240 155 CX
40,0 32,0 15,5 36,0 39,4 3,2 0,4 4,0 KDSA 0400 0320 155 CX
50,0 38,0 20,5 46,0 49,4 4,2 0,4 4,0 KDSA 0500 0380 205 CX
60,0 48,0 20,5 56,0 59,4 4,2 0,4 4,5 KDSA 0600 0480 205 CX
63,0 51,0 20,5 59,0 62,4 4,2 0,4 4,5 KDSA 0630 0510 205 CX
70,0 58,0 20,5 66,0 69,4 4,2 0,4 4,5 KDSA 0700 0580 205 CX
80,0 66,0 22,5 76,0 79,4 5,2 0,4 4,5 KDSA 0800 0660 225 CX
90,0 76,0 22,5 86,0 89,4 5,2 0,4 4,5 KDSA 0900 0760 225 CX
100,0 86,0 22,5 96,0 99,4 5,2 0,4 5,0 KDSA 1000 0860 225 CX
110,0 96,0 22,5 106,0 109,4 5,2 0,4 5,0 KDSA 1100 0960 225 CX
120,0 106,0 22,5 116,0 119,4 5,2 0,8 5,0 KDSA 1200 1060 225 CX
125,0 108,0 26,5 121,0 124,4 7,2 0,8 5,0 KDSA 1250 1080 265 CX
130,0 113,0 26,5 126,0 129,4 7,2 0,8 5,0 KDSA 1300 1130 265 CX
140,0 123,0 26,5 136,0 139,4 7,2 0,8 5,0 KDSA 1400 1230 265 CX
150,0 133,0 26,5 146,0 149,4 7,2 0,8 5,0 KDSA 1500 1330 265 CX
160,0 143,0 26,5 156,0 159,4 7,2 0,8 5,0 KDSA 1600 1430 265 CX

 

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