TURCON STEPSEAL K

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TURCON STEPSEAL K

Description

The Turcon Stepseal K is a single-acting seal element consisting of a seal ring of high-grade Turcon or Zurcon materials and an O-Ring as energizing element.

The Turcon Stepseal K was originally developed and patented (Patent No. P3225906) by Busak+Shamban as a rodseal. Due to its outstanding properties, however, it is equally well suited as a single-acting piston seal where high demands are made on positional accuracy and free movement.

Turcon Stepseal K figuur 25

Advantages

– High static and dynamic sealing effect

– Stick-slip free operation for precise control

– High abrasion resistance and resistance to extrusion

– Long service life

– Simple groove design, one-piece piston possible

– Wide range of application temperatures and high resistance to chemicals, depending on the choice of O-Ring material

– Simple installation without seal edge deformation due to the K-edge

– Available for all diameters up to 2.700 mm

Application Examples

The Turcon Stepseal K is the recommended sealing element for single acting pistons in hydraulic components for:

  • Injection moulding machines
  • Machine tools
  • Presses

It is particularly recommended in floating piston accumulators as primary seal on the oil side in combination with AQ-Seal and AQ-Seal 5

Technical Data

Operating conditions
pressure: Up to 80 MPa

Speed: Up to 15 m/s, frequency up to 5 Hz

Temperature: -45qC to +200qC *)

Media: Mineral oil-based hydraulic fluids, flame retardant hydraulic fluids, environmentally safe hydraulic fluids (bio-oils), water, air and others, depending on the O-Ring material (see Table)

Clearance: The maximum permissible radial clearance Smax is shown in Table , as a function of the operating pressure and functional diameter.

Important Note:

The above data are maximum values and cannot be used at the same time. e.g. the maximum operating speed depends on material type, pressure, temperature and gap value. Temperature range also dependent on medium. In the case of unpressurized applications in temperatures below 0°C please contact our application engineers for assistance !

Materials

Standard Application:

For hydraulic components in mineral oils containing zinc or medium with good lubricating performance.

Turcon Seal: Turcon T46

Energiser: O-Ring NBR 70 Shore A or FKM 70 Shore A depending on the temperature

Set reference: T46 N or T46 V

Special Application:

Non-lubricating fluids or pneumatic applications require self-lubricating sealing materials. Therefore we recommend:

Turcon Seal: Turcon T29

Energiser: O-Ring NBR 70 Shore A or FKM 70 Shore A depending on the temperature

Set reference: T29 N or T29 V Rough mating surface finish and improved leakage control

Zurcon Seal: Zurcon Z51

Energiser: O-Ring NBR 70 Shore A

Set reference: Z51 N

Groove

Stepseal K are also available on request for the groove sizes to ISO 7425/1.

Turcon and Zurcon Materials for Stepseal K

Material, Applications, Properties Code O-Ring Material Code O-Ring  Operating Temp.*
°C
Mating Surface Material MPa
max.
Turcon® T46
Standard material for hydraulics, high compressive strength, good sliding and wear properties, good extrusion resistance,
BAM tested.
Bronze filled
Colour: Greyish to dark brown
T46 NBR – 70 Shore A N -30 to +100 Steel tubes Steel, hardened Cast iron 60
NBR – Low temp. 70 Shore A T -45 to +80
FKM – 70 Shore A V -10 to +200
Turcon® T08
Very high compressive strength, very good extrusion resistance.
High bronze filled
Colour: Light to dark brown
T08 NBR – 70 Shore A N -30 to +100 Steel tubes Steel, hardened Cast iron 80
NBR – Low temp. 70 Shore A T -45 to +80
FKM – 70 Shore A V -10 to +200
Turcon® T40
For all lubricating and non-lubricating hydraulic fluids, water hydraulic, soft mating surfaces.
Surface texture not suitable for gases. Carbon fibre filled
Colour: Grey
T40 NBR – 70 Shore A N -30 to +100 Steel Cast iron
Stainless steel Aluminium Bronze
Alloys
25
NBR – Low temp. 70 Shore A T -45 to +80
FKM – 70 Shore A V -10 to +200
EPDM-70 Shore A E** -45 to +145
Turcon® T29
For all lubricating and non-lubricating hydraulic fluids, hydraulic oils without zinc, soft mating surfaces,
good extrusion resistance. Surface texture not suitable for gases. High carbon fibre filled
Colour: Grey
T29 NBR – 70 Shore A N -30 to +100 Steel Cast iron
Stainless steel Aluminium Bronze
60
NBR – Low temp. 70 Shore A T -45 to +80
FKM – 70 Shore A V -10 to +200
EPDM-70 Shore A E** -45 to +145
Turcon® T05
For all lubricating hydraulic fluids, hard mating surfaces, very good sliding properties, low friction.
Colour: Turquoise
T05 NBR – 70 Shore A N -30 to +100 Steel tubes Steel, hardened 20
NBR – Low temp. 70 Shore A T -45 to +80
FKM – 70 Shore A V -10 to +200
Turcon® T42
For all lubricating and non-lubricating hydraulic fluids, good chemical resistance, good dielectric properties.
Glass fibre filled + MoS2 Colour: Grey to blue
T42 NBR – 70 Shore A N -30 to +100 Steel tubes Steel, hardened Cast iron 30
NBR – Low temp. 70 Shore A T -45 to +80
FKM – 70 Shore A V -10 to +200
Turcon® T10
For oil hydraulic and pneumatic, for all lubricating and non-
lubricating fluids, high extrusion resistance, good chemical resistance, BAM tested.
Carbon, graphite filled Colour: Black
T10 NBR – 70 Shore A N -30 to +100 Steel  Stainless steel 60
NBR – Low temp. 70 Shore A T -45 to +80
FKM – 70 Shore A V -10 to +200
EPDM-70 Shore A E** -45 to +145
Zurcon® Z51***
For lubricating hydraulic fluids, high abrasion resistance, high extrusion resistance, limited chemical resistance. Cast polyurethane
Colour: Yellow to light-brown
Z51 NBR – 70 Shore A N -30 to +100 Steel
Steel, hardened Cast iron Ceramic coating Stainless steel
80
NBR – Low temp. 70 Shore A T -45 to +80
ZurconR Z80
For lubricating and non-lubricating hydraulic fluids, high abrasion resistance, very good chemical resistance, limited temperature resistance.
Ultra high molecular weight polyethylen Colour: White to off-white
Z80 NBR – 70 Shore A N -30 to +80 Steel
Stainless steel Aluminium Bronze
Ceramic coating
40
NBR – Low temp. 70 Shore A T -45 to +80

 

Turcon Stepseal K figuur 26

Turcon Stepseal K Table XXVII

Ordering Example

Turcon Stepseal K, complete with O-Ring, standard application, Series PS14 (from Table).

Bore diameter: DN = 80.0 mm
Part No. PS1400800 (from Table)

Select the material from Table. The corresponding code numbers are appended to the Part No. (from Table). Together they form the Order No. For all intermediate sizes not shown in Table, the Order No. can be determined from the example opposite.

*** For diameters t 1000.0 mm multiply only by factor 1.
Example: PS14 for diameter 1200.0 mm.
Order no.: PS14X1200 – T46N.

Turcon Stepseal K Order

 

TURCON STEPSEAL K

Bore Dia. Groove Dia. Groove Width Part No. StepsealR K Part No. StepsealR 2K O-Ring Dimensions
DN  H9 d1   h9 L1 +0.2
9,0 4,1 2,2 PS1400090 PSK000090 3.68 x 1.78
10,0 5,1 2,2 PS1400100 PSK000100 4.80 x 1.8
12,0 7,1 2,2 PS1400120 PSK000120 6.70 x 1.8
14,0 9,1 2,2 PS1400140 PSK000140 8.75 x 1.8
15,0 10,1 2,2 PS1400150 PSK000150 9.25 x 1.78
16,0 11,1 2,2 PS1400160 PSK000160 10.82 x 1.78
18,0 10,7 3,2 PS1400180 PSK100180 9.19 x 2.62
20,0 15,1 2,2 PS1600200 PSK000200 14.00 x 1.78
20,0 12,7 3,2 PS1400200 PSK100200 12.37 x 2.62
22,0 14,7 3,2 PS1400220 PSK100220 13.94 x 2.62
25,0 17,7 3,2 PS1400250 PSK100250 17.12 x 2.62
25,0 14,3 4,2 PS1200250 PSK200250 13.87 x 3.53
28,0 17,3 4,2 PS1400280 PSK200280 15.47 x 3.53
30,0 22,7 3,2 PS1600300 PSK100300 21.89 x 2.62
30,0 19,3 4,2 PS1400300 PSK200300 18.66 x 3.53
32,0 24,7 3,2 PS1600320 PSK100320 23.47 x 2.62
32,0 21,3 4,2 PS1400320 PSK200320 20.22 x 3.53
35,0 24,3 4,2 PS1400350 PSK200350 23.40 x 3.53
40,0 32,7 3,2 PS1600400 PSK100400 31.42 x 2.62
40,0 29,3 4,2 PS1400400 PSK200400 28.17 x 3.53
42,0 31,3 4,2 PS1400420 PSK200420 29.75 x 3.53
45,0 34,3 4,2 PS1400450 PSK200450 32.92 x 3.53
48,0 37,3 4,2 PS1400480 PSK200480 36.09 x 3.53
50,0 39,3 4,2 PS1400500 PSK200500 37.70 x 3.53
50,0 34,9 6,3 PS1200500 PSK300500 32.69 x 5.33
52,0 41,3 4,2 PS1400520 PSK200520 40.87 x 3.53
55,0 44,3 4,2 PS1400550 PSK200550 44.04 x 3.53
60,0 44,9 6,3 PS1400600 PSK300600 43.82 x 5.33
63,0 52,3 4,2 PS1600630 PSK200630 50.39 x 3.53
63,0 47,9 6,3 PS1400630 PSK300630 46.99 x 5.33
65,0 49,9 6,3 PS1400650 PSK300650 46.99 x 5.33
70,0 59,3 4,2 PS1600700 PSK200700 56.74 x 3.53
70,0 54,9 6,3 PS1400700 PSK300700 53.34 x 5.33
75,0 59,9 6,3 PS1400750 PSK300750 56.52 x 5.33
80,0 64,9 6,3 PS1400800 PSK300800 62.87 x 5.33
80,0 59,5 8,1 PS1200800 PSK400800 58 x 7.0
85,0 69,9 6,3 PS1400850 PSK300850 69.22 x 5.33
85,0 64,5 8,1 PS1200850 PSK400850 63 x 7.0
90,0 74,9 6,3 PS1400900 PSK300900 72.39 x 5.33
90,0 69,5 8,1 PS1200900 PSK400900 68 x 7.0
95,0 79,9 6,3 PS1400950 PSK300950 78.74 x 5.33
95,0 74,5 8,1 PS1200950 PSK400950 73 x 7.0
100,0 84,9 6,3 PS1401000 PSK301000 81.92 x 5.33
100,0 79,5 8,1 PS1201000 PSK401000 78 x 7.0
105,0 89,9 6,3 PS1401050 PSK301050 88.27 x 5.33
105,0 84,5 8,1 PS1201050 PSK401050 83 x 7.0
106,0 90,9 6,3 PS1401060 PSK301060 88.27 x 5.33
110,0 94,9 6,3 PS1401100 PSK301100 91.44 x 5.33
110,0 89,5 8,1 PS1201100 PSK401100 88 x 7.0
115,0 99,9 6,3 PS1401150 PSK301150 97.79 x 5.33
115,0 94,5 8,1 PS1201150 PSK401150 93 x 7.0
120,0 104,9 6,3 PS1401200 PSK301200 104.14 x 5.33
120,0 99,5 8,1 PS1201200 PSK401200 98 x 7.0
125,0 109,9 6,3 PS1401250 PSK301250 107.32 x 5.33
125,0 104,5 8,1 PS1201250 PSK401250 103 x 7.0
130,0 114,9 6,3 PS1401300 PSK301300 113.67 x 5.33
130,0 109,5 8,1 PS1201300 PSK401300 108.00 x 7.0
135,0 114,5 8,1 PS1201350 PSK401350 113.67 x 7.0
140,0 119,5 8,1 PS1201400 PSK401400 116.84 x 7.0
145,0 124,5 8,1 PS1201450 PSK401450 123.19 x 7.0
150,0 129,5 8,1 PS1201500 PSK401500 126.37 x 7.0
155,0 139,9 6,3 PS1401550 PSK301550 135.89 x 5.33
160,0 144,9 6,3 PS1401600 PSK301600 142.24 x 5.33
160,0 139,5 8,1 PS1201600 PSK401600 135.89 x 7.00
165,0 149,9 6,3 PS1401650 PSK301650 148.49 x 5.33
165,0 144,5 8,1 PS1201650 PSK401650 142.24 x 7.0
170,0 149,5 8,1 PS1201700 PSK401700 145.42 x 7.0
175,0 159,9 6,3 PS1401750 PSK301750 158.12 x 5.33
180,0 164,9 6,3 PS1401800 PSK301800 164.47 x 5.33
180,0 159,5 8,1 PS1201800 PSK401800 158.12 x 7.0
190,0 174,9 6,3 PS1401900 PSK301900 170.82 x 5.33
190,0 169,5 8,1 PS1201900 PSK401900 164.47 x 7.0
200,0 184,9 6,3 PS1602000 PSK302000 183.52 x 5.33
200,0 179,5 8,1 PS1402000 PSK402000 177.17 x 7.0
205,0 184,5 8,1 PS1402050 PSK402050 183.52 x 7.0
210,0 189,5 8,1 PS1402100 PSK402100 183.52 x 7.0
220,0 204,9 6,3 PS1602200 PSK302200 202.57 x 5.33
220,0 199,5 8,1 PS1402200 PSK402200 196.22 x 7.0
230,0 209,5 8,1 PS1402300 PSK402300 208.92 x 7.0
240,0 219,5 8,1 PS1402400 PSK402400 215.27 x 7.0
250,0 229,5 8,1 PS1402500 PSK402500 227.97 x 7.0
250,0 226,0 8,1 PS1202500 PSK802500 227.97 x 7.0
260,0 236,0 8,1 PS1402600 PSK802600 227.97 x 7.0
270,0 246,0 8,1 PS1402700 PSK802700 240.67 x 7.0
280,0 256,0 8,1 PS1402800 PSK802800 253.37 x 7.0
300,0 276,0 8,1 PS1403000 PSK803000 266.07 x 7.0
306,0 285,5 8,1 PS1603060 PSK403060 278.77 x 7.0
310,0 286,0 8,1 PS1403100 PSK803100 278.77 x 7.0
320,0 299,5 8,1 PS1603200 PSK403200 291.47 x 7.0
320,0 296,0 8,1 PS1403200 PSK803200 291.47 x 7.0
330,0 306,0 8,1 PS1403300 PSK803300 304.17 x 7.0
340,0 316,0 8,1 PS1403400 PSK803400 316.87 x 7.0
345,0 324,5 8,1 PS1603450 PSK403450 316.87 x 7.0
350,0 326,0 8,1 PS1403500 PSK803500 316.87 x 7.0
360,0 336,0 8,1 PS1403600 PSK803600 329.57 x 7.0
370,0 346,0 8,1 PS1403700 PSK803700 342.27 x 7.0
380,0 356,0 8,1 PS1403800 PSK803800 354.97 x 7.0
400,0 376,0 8,1 PS1404000 PSK804000 367.67 x 7.0
420,0 396,0 8,1 PS1404200 PSK804200 393.07 x 7.0
430,0 406,0 8,1 PS1404300 PSK804300 405.26 x 7.0
440,0 416,0 8,1 PS1404400 PSK804400 405.26 x 7.0
450,0 426,0 8,1 PS1404500 PSK804500 417.96 x 7.0
480,0 456,0 8,1 PS1404800 PSK804800 456.06 x 7.0
500,0 476,0 8,1 PS1405000 PSK805000 468.76 x 7.0
520,0 499,5 8,1 PS1605200 PSK405200 494.16 x 7.0
540,0 516,0 8,1 PS1405400 PSK805400 506.86 x 7.0
600,0 576,0 8,1 PS1406000 PSK806000 557.66 x 7.0
650,0 626,0 8,1 PS1406500 PSK806500 608.08 x 7.0
700,0 672,7 9,5 PS1407000 PSK507000 670 x 8.4
800,0 772,7 9,5 PS1408000 PSK508000 770 x 8.4
860,0 832,7 9,5 PS1408600 PSK508600 830 x 8.4
900,0 872,7 9,5 PS1409000 PSK509000 870 x 8.4
920,0 892,7 9,5 PS1409200 PSK509200 890 x 8.4
1000,0 972,7 9,5 PS16X1000 PSK5X1000 970 x 8.4
1000,0 962,0 13,8 PS14X1000 PSK6X1000 960 x 12.0
1200,0 1172,7 9,5 PS16X1200 PSK5X1200 1170 x 8.4
1200,0 1162,0 13,8 PS14X1200 PSK6X1200 1160 x 12.0
1500,0 1462,0 13,8 PS14X1500 PSK6X1500 1460 x 12.0
2000,0 1962,0 13,8 PS14X2000 PSK6X2000 1960 x 12.0
2700,0 2662,0 13,8 PS14X2700 PSK6X2700 2660 x 12.0

 

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