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RS-20

199 items

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  1. Zwolle 143 items
  1. Rod Seal NBR/Fabric Type: RS-20
    Dimensions: 10 x 20 x 18.5
    Part number: 77990
    In Stock
    More Details
  2. Rod Seal NBR/Fabric Type: RS-20
    Dimensions: 100 x 115 x 30
    Part number: 7630
    In Stock
    More Details
  3. Rod Seal FKM/Fabric 1+5+1 Type: RS-20
    Dimensions: 100 x 115 x 30
    Part number: 280979
    In Stock
    More Details
  4. Rod Seal NBR/Fabric Type: RS-20
    Dimensions: 100 x 120 x 40
    Part number: 7681
    In Stock
    More Details
  5. Rod Seal FKM/Fabric 1+5+1 Type: RS-20
    Dimensions: 100 x 120 x 40
    Part number: 282099
    Delivery time: ± 10 weeks
    More Details
  6. Rod Seal NBR/Fabric Type: RS-20
    Dimensions: 101.6 x 127 x 38.1
    Part number: 124207
    In Stock
    More Details

199 items

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RS-20


Description

The RS-20 is a seven piece single acting sealing set which consists of one reinforced cotton fabric backup ring, one thermoplastic header ring, three reinforced cotton fabric middle rings, and two elastomeric nitrile rubber middle rings.


Product advantages

  • adjustable seal housing height due to the raison of being used in open grooves
  • functions even with poor surfaces
  • robust seal
  • easy installation and removal
  • long surface life
  • able toe work the maintenance of continuity systems because of the adjustable housing
  • very good sealing performance both in high and low pressures


Applications

  • iron and steel industry
  • mining equipment
  • scrap cutters and special cylinders


Operating conditions

Media Mineral oils (DIN 51524)
Material NBR FKM
Temperature (min.) °C -30 -15
Temperature (max.) °C +105 +150
Pressure Bar ≤400 ≤400
Speed m/sec  ≤0,5  ≤0,5


Drawing RS-20


Installation

If this seal is mounted in an adjustable housing, the groove housing must have an adjustability of 7.5% of the seal height. For installation in closed enclosures, the individual parts must be sawn at an angle of 45 ° and staggered at an angle of 75 ° during installation. With strong compression, the flexibility of the sealing set can be significantly reduced. This can lead to excessive friction force, high wear and vibration at low pressures. It is very important that the mounting tool is made of a soft material and has no sharp edges. Before mounting, all individual parts of the seal must be lubricated with system oil.

Note: For special applications requiring high temperatures, this seal set can be supplied in reinforced cotton fabric with FKM for top-bottom and center rings and a special blend of PTFE backing ring. The permissible S value of the sealing gap must not exceed 0.15 mm. For inner diameters greater than 200 mm, all middle rings are made of reinforced cotton fabric with NBR material. Depending on the application, additional center rings can be used.


Surface roughness  Ra Rmax
Sliding Surface ØD-Ød ≤0.4 μm ≤3.2 μm
Groove Base ØDb-Ødp ≤1.6 μm ≤6.3 μm
Groove Flanks B ≤3.2 μm ≤16 μm


Turned version (CNC machine)

We can also produce this rod seal on request in the materials below. This is our type DS110-112.

Materials colour min. temp. ºC max. temp. ºC max. speed m/s max. pressure Mpa top-bottom ring
Polyurethane 95° Shore A red -20 115 0,4 500 POM
NBR 85° Shore A black -30 110 0,5 160 POM
EPDM 85°  Shore A black -45 130 0,5 160 POM
FKM 85° Shore A black -20 220 0,5 160 PTFE


Sizes

Seal Supply Material d (f8) D (H9) B (-0/+0.2) n
77989 NBR-C 8,00 18,00 18,50 4
77990 NBR-C 10,00 20,00 18,50 4
77991 NBR-C 12,00 22,00 18,50 4
205006 NBR-C 12,70 25,40 19,05 4
205007 NBR-C 13,50 25,00 16,50 4
77992 NBR-C 14,00 24,00 18,50 4
6524683 NBR-C 14,00 25,00 18,50 4
77993 NBR-C 15,00 25,00 18,50 4
132234 NBR-C 15,00 32,00 25,00 6
64097 NBR-C 16,00 26,00 18,50 4
77994 NBR-C 18,00 28,00 18,50 4
314690 NBR-C 18,00 32,00 23,50 4
205008 NBR-C 19,05 28,57 17,46 4
6538478 FKM-C 20,00 30,00 18,50 4
7611 NBR-C 20,00 30,00 18,50 4
6538486 FKM-C 20,00 32,00 22,50 4
7667 NBR-C 20,00 32,00 22,50 4
314711 NBR-C 20,62 33,32 33,32 4
124121 NBR-C 20,64 33,33 33,33 4
77997 NBR-C 22,00 32,00 18,50 4
6538492 FKM-C 22,00 32,00 22,50 4
84613 NBR-C 22,00 34,00 22,50 4
205009 NBR-C 22,22 34,92 19,05 4
6538550 FKM-C 25,00 37,00 22,50 4
7612 NBR-C 25,00 37,00 22,50 4
6538783 FKM-C 25,00 40,00 22,50 6
7668 NBR-C 25,00 40,00 22,50 6
6538792 FKM-C 28,00 40,00 22,50 4
7613 NBR-C 28,00 40,00 22,50 4
6538793 FKM-C 28,00 43,00 22,50 6
77999 NBR-C 28,00 43,00 22,50 6
6538794 FKM-C 30,00 42,00 22,50 6
7614 NBR-C 30,00 42,00 22,50 6
6538795 FKM-C 30,00 45,00 22,50 6
7669 NBR-C 30,00 45,00 22,50 6
314691 NBR-C 30,00 50,00 37,00 6
124122 NBR-C 31,75 44,45 25,40 4
6538796 FKM-C 32,00 44,00 22,50 4
7615 NBR-C 32,00 44,00 22,50 4
326069 NBR-C 32,00 45,00 22,50 4
66795 NBR-C 32,00 47,00 22,50 4
6538797 FKM-C 35,00 47,00 22,50 4
7616 NBR-C 35,00 47,00 22,50 4
6538798 FKM-C 35,00 50,00 22,50 4
7670 NBR-C 35,00 50,00 22,50 4
299570 FKM-C 36,00 48,00 22,50 4
7617 NBR-C 36,00 48,00 22,50 4
6538799 FKM-C 36,00 51,00 22,50 6
63448 NBR-C 36,00 51,00 22,50 6
124123 NBR-C 38,10 50,80 25,40 4
124124 NBR-C 38,10 53,97 25,40 4
6538800 FKM-C 40,00 52,00 22,50 4
7618 NBR-C 40,00 52,00 22,50 4
6538801 FKM-C 40,00 55,00 22,50 6
7671 NBR-C 40,00 55,00 22,50 6
78005 NBR-C 40,00 55,00 25,00 6
314692 NBR-C 40,00 56,00 22,50 6
7619 NBR-C 42,00 54,00 22,50 6
84614 NBR-C 42,00 57,00 22,50 6
124125 NBR-C 44,45 57,15 25,40 6
124126 NBR-C 44,45 63,50 38,10 6
124127 NBR-C 44,45 69,85 50,80 6
314693 NBR-C 45,00 55,00 22,00 6
423798 FKM-C 45,00 60,00 22,50 6
7620 NBR-C 45,00 60,00 22,50 6
314694 NBR-C 45,00 62,00 26,00 6
130527 NBR-C 45,00 65,00 22,50 6
6538802 FKM-C 45,00 65,00 27,50 6
132235 NBR-C 47,00 65,00 33,00 6
281096 NBR-C 48,00 63,00 22,50 6
6538803 FKM-C 50,00 65,00 22,50 6
7621 NBR-C 50,00 65,00 22,50 6
6524684 NBR-C 50,00 65,00 29,00 6
6538804 FKM-C 50,00 70,00 30,00 6
7673 NBR-C 50,00 70,00 30,00 6
42860 NBR-C 50,80 63,50 25,40 6
124129 NBR-C 50,80 65,00 25,40 6
124163 NBR-C 50,80 66,67 25,40 6
124164 NBR-C 50,80 69,85 25,40 6
124165 NBR-C 53,97 69,85 28,57 6
314695 NBR-C 55,00 67,00 24,00 6
6538805 FKM-C 55,00 70,00 22,50 6
7622 NBR-C 55,00 70,00 22,50 6
6539599 NBR-C 55,00 70,00 30,00 6
6538806 FKM-C 55,00 75,00 30,00 6
7674 NBR-C 55,00 75,00 30,00 6
281115 FKM-C 56,00 71,00 22,50 6
7623 NBR-C 56,00 71,00 22,50 6
132236 NBR-C 56,00 72,00 49,00 6
6538807 FKM-C 56,00 76,00 37,00 6
78146 NBR-C 56,00 76,00 37,00 6
856120 NBR-C 57,15 73,03 31,00 6
124167 NBR-C 57,15 76,20 25,40 6
423799 FKM-C 60,00 75,00 22,50 6
7624 NBR-C 60,00 75,00 22,50 6
299571 FKM-C 60,00 80,00 37,00 6
7675 NBR-C 60,00 80,00 37,00 6
205010 NBR-C 60,00 85,00 37,00 8
79528 NBR-C 63,00 78,00 22,50 6
6538808 FKM-C 63,00 83,00 37,00 8
78011 NBR-C 63,00 83,00 37,00 8
124168 NBR-C 63,50 76,20 28,57 8
314696 NBR-C 63,50 78,00 40,00 8
132237 NBR-C 63,50 78,00 41,00 8
124170 NBR-C 63,50 79,37 28,57 8
124171 NBR-C 63,50 82,55 28,57 8
6524685 NBR-C 65,00 77,00 22,50 8
7625 NBR-C 65,00 80,00 22,50 8
6524686 NBR-C 65,00 80,00 29,00 8
6538809 FKM-C 65,00 85,00 40,00 8
7676 NBR-C 65,00 85,00 40,00 8
124172 NBR-C 69,85 88,90 31,75 8
281101 FKM-C 70,00 85,00 22,50 8
7626 NBR-C 70,00 85,00 22,50 8
6538810 FKM-C 70,00 90,00 40,00 8
7677 NBR-C 70,00 90,00 40,00 8
314697 NBR-C 75,00 87,00 25,00 8
423800 FKM-C 75,00 90,00 22,50 8
7627 NBR-C 75,00 90,00 22,50 8
7678 NBR-C 75,00 95,00 40,00 8
314698 NBR-C 75,00 100,00 34,00 8
124174 NBR-C 76,20 88,90 25,40 8
124175 NBR-C 76,20 95,25 31,75 8
124173 NBR-C 76,20 101,60 38,10 8
314699 NBR-C 78,00 100,00 35,00 8
280978 FKM-C 80,00 95,00 22,50 8
7628 NBR-C 80,00 95,00 22,50 8
302607 FKM-C 80,00 100,00 40,00 8
7679 NBR-C 80,00 100,00 40,00 8
124201 NBR-C 82,55 101,60 31,75 8
7634 NBR-C 85,00 100,00 22,50 8
6538811 FKM-C 85,00 105,00 40,00 8
80006 NBR-C 85,00 105,00 40,00 8
124202 NBR-C 88,90 104,77 28,57 8
124203 NBR-C 88,90 107,95 30,16 8
124204 NBR-C 88,90 114,30 38,10 8
6538812 FKM-C 90,00 105,00 22,50 8
7629 NBR-C 90,00 105,00 22,50 8
314700 NBR-C 90,00 110,00 22,50 8
132238 NBR-C 90,00 110,00 26,00 8
6538813 FKM-C 90,00 110,00 40,00 8
7680 NBR-C 90,00 110,00 40,00 8
6524688 NBR-C 95,00 110,00 36,50 8
211014 NBR-C 95,00 120,00 50,00 8
124206 NBR-C 95,25 114,30 30,16 8

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