COMPACT SEAL D A S TYPE A/B POLYPACR DBM

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COMPACT SEAL D A S TYPE A/B POLYPACR DBM

Description

COMPACT SEAL D A S TYPE A/B POLYPACR DBM is a double-acting seal and guide element comprising an elastomeric profile seal ring, two back-up rings and two guide rings. The profile seal ring seals in both the static and dynamic range whilst the backup rings prevent extrusion into the sealing gap.

The function of the guide rings is to guide the piston in the cylinder tube and to absorb transverse forces. Design provides a compact seal and guide combination for a closed or split installation groove.

Designs

The Compact Seal is available in various profile geometries which are in practical use. The choice is normally determined by the existing installation grooves.

DAS Type A

This type is characterized by the straight, long-sided Lprofiles of the guide rings. Compared with Type B, it exhibits a smaller groove depth with the same cylinder diameter.

COMPACT SEAL D A S TYPE A-B POLYPAC DBM figuur 40

DAS Type B

This type is characterized by a Z-shaped back-up ring which forms a chamber with the elastomer seal ring on the inside and is centered on the outside by the guide ring. For many piston diameters, the width of the guide ring (dimension L2) can be selected due to sideloads. Due to the larger groove depth, the profile of the seal ring is more rigid than that of Type A and requires higher installation forces.

COMPACT SEAL D A S TYPE A-B POLYPAC DBM figuur 41

Polypac DBM

The DBM Compact seal profile is characterized by a concave-shaped Back-up ring that prevents the elastomer profile ring from deformation and/or extrusion. The Backup ring is centered on the outside by the guide ring.

Option

Polypac DBM is as option available without L-shape wear rings, but with Back-up Rings. If DBM/NEO is installed as piston sealing system, additional SlydringR/wear rings are required.

Polypac type: DBM/NEO
Consult B+S for available sizes

COMPACT SEAL D A S TYPE A-B POLYPAC DBM figuur 42

Advantages

– Good sealing effect, also suitable for holding cylinders
– Capable of installation in closed grooves for reduced machining costs
– Economic sealing and guiding solution
– Simple snap installation.

Application Examples

The Compact seals are the recommended sealing element for double acting pistons of hydraulic components such as:

  • Machine tools
  • Truck cranes
  • Forklifts & handling machinery
  • Agriculture equipment

Technical Data

Operating conditions

pressure: Up to 35 MPa peak up to 40 MPa

Speed: Up to 0.5 m/s

Temperature: -30qC to +100qC

Media: Mineral oil-based hydraulic fluids,
flame retardant hydraulic fluids,
HFA, HFB, HFC (< +40qC)

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.

Materials

The D-A-S Compact Seal is available in the following material combinations:

Profile seal: NBR 70 Shore A

Back-up Ring: Polyester elastomer

Guide rings: POM

Set ref.: NCRO

The DBM Compact Seal is available in the following material combination:

Profile seal: NBR 80 Shore A

Back-up Ring: Polyester elastomer

Guide rings: POM

Set reference: N8RO

Ordering Example

Bore diameter: DN = 80.0 mm
Groove diameter: d1 = 60.0 mm
Groove width: L1 = 22.4 mm

DAS Type B

COMPACT SEAL D A S TYPE A-B POLYPAC DBM Order

Polypac DBM

COMPACT SEAL D A S TYPE A-B POLYPAC DBM Order .

Installation Recommendation, DAS Type A

COMPACT SEAL D A S TYPE A-B POLYPAC DBM figuur 43

Installation Recommendation, D A S Type B and PolypacR DBM

COMPACT SEAL D A S TYPE A-B POLYPAC DBM figuur 44

 

COMPACT SEAL D A S TYPE A/B POLYPACR DBM

Bore Dia. Groove Dimensions Order No. Sealing Parts Ref. No.
DN H9 d1 h9 d2 h9 L1 +0,2 d3 h11 L2 +0.1 r max
32,0 24,0 28,0 15,5 31,4 3,2 0,3 PCA200320-NCRO DAS 32 24
40,0 32,0 36,0 15,5 39,4 3,2 0,3 PCA400400-NCRO DAS 40 32
50,0 38,0 46,0 20,5 49,4 4,2 0,3 PCA200500-NCRO DAS 50 38
60,0 48,0 56,0 20,5 59,4 4,2 0,3 PCA200600-NCRO DAS 60 48
63,0 51,0 59,0 20,5 63,4 4,2 0,3 PCA300630-NCRO DAS 63 51
70,0 58,0 66,0 20,5 69,4 4,2 0,3 PCA200700-NCRO DAS 70 58
80,0 66,0 76,0 22,5 79,4 5,2 0,3 PCA200800-NCRO DAS 80 66
90,0 76,0 86,0 22,5 89,4 5,2 0,3 PCA200900-NCRO DAS 90 76
100,0 86,0 96,0 22,5 99,4 5,2 0,3 PCA201000-NCRO DAS 100 86
110,0 96,0 106,0 22,5 109,4 5,2 0,3 PCA201100-NCRO DAS 110 96
120,0 106,0 116,0 22,5 119,4 5,2 0,8 PCA101200-NCRO DAS 120 106
125,0 108,0 121,0 26,5 124,4 7,2 0,8 PCA201250-NCRO DAS 125 108
130,0 113,0 126,0 26,5 129,4 7,2 0,8 PCA201300-NCRO DAS 130 113
140,0 123,0 136,0 26,5 139,4 7,2 0,8 PCA301400-NCRO DAS 140 123
150,0 133,0 146,0 26,5 149,4 7,2 0,8 PCA301500-NCRO DAS 150 133
160,0 143,0 156,0 26,5 159,4 7,2 0,8 PCA301600-NCRO DAS 160 143
20,0 11,00 13,50 17,00 19,00 2,10 0,40 PCB 0N0200 * DAS 2011
22,0 13,00 13,50 19,00 21,00 2,10 0,40 PCB 0N0220 * DAS 22 13
25,0 15,00 12,00 21,00 23,00 4,00 0,40 PCB 0D0250 * DAS 25 15/1
25,0 15,00 12,50 22,00 24,00 4,00 0,40 PCB 0N0250 * DAS 25 15/2
25,0 15,00 16,40 21,45 23,50 6,35 0,40 PCB 1N0250 * DBM 098 059 DAS 25 15
25,0 16,00 13,50 22,00 24,00 2,10 0,40 PCB 2N0250 * DAS 25 16
28,0 19,00 13,50 25,00 27,00 2,10 0,40 PCB 0N0280 * DAS 28 19
30,0 17,00 15,40 26,50 28,50 6,35 0,40 PCB 000300 DBM 118 066
30,0 21,00 13,50 27,00 29,00 2,10 0,40 PCB 0A0300 * DAS 30 21
32,0 22,00 15,50 28,00 31,00 2,60 0,40 PCB 0B0320 * DAS 32 22/1
32,0 22,00 16,40 28,50 30,50 6,35 0,40 PCB 1A0320 * DBM 125 086 DAS 32 22
35,0 25,00 15,50 31,00 34,00 2,60 0,40 PCB 0B0350 * DAS 35 25/1
35,0 25,00 16,40 31,40 33,50 6,35 0,40 PCB 1A0350 * DBM 137 098 DAS 35 25
40,0 24,00 18,40 35,40 38,50 6,35 0,40 PCB 0A0400 * DBM 157 094 DAS 40 24
40,0 26,00 15,50 36,00 39,00 2,60 0,40 PCB 1A0400 * DBM 157 102/M DAS 40 26
40,0 30,00 12,50 36,00 38,00 4,00 0,40 PCB 2D0400 * DAS 40 30/1
40,0 30,00 12,50 37,00 39,00 4,00 0,40 PCB 2E0400 * DAS 40 30/2
40,0 30,00 16,40 35,40 38,50 6,35 0,40 PCB 3A0400 * DBM 157 118 DAS 40 30
42,0 28,00 15,50 38,00 41,00 2,60 0,40 PCB 0N0420 * DAS 42 28
45,0 29,00 18,40 40,40 43,50 6,35 0,40 PCB 0N0450 * DBM 177 114 DAS 45 29
45,0 31,00 15,50 41,00 44,00 2,60 0,40 PCB 1A0450 * DAS 45 31
45,0 35,00 16,40 40,40 43,50 6,35 0,40 PCB 2N0450 * DBM 177137 DAS 45 35
50,0 34,00 18,40 45,40 48,50 6,35 0,40 PCB 1A0500 * DBM 196 133 DAS 50 34
50,0 34,00 20,50 46,00 49,00 3,10 0,40 PCB 0B0500 * DBM 196 133/M DAS 50 34/1
55,0 39,00 18,40 50,36 53,50 6,35 0,40 PCB 1A0550 * DBM 216 153 DAS 55 39
55,0 39,00 20,50 51,00 54,00 3,10 0,40 PCB 0B0550 * DAS 5539/1
56,0 40,00 20,50 52,00 55,00 3,10 0,40 PCB 0A0560 * DAS 56 40
60,0 44,00 18,40 55,40 58,50 6,35 0,40 PCB 1A0600 * DBM 236 173 DAS 60 44
60,0 44,00 20,50 56,00 59,00 3,10 0,40 PCB 0B0600 * DBM 236 173/M DAS 60 44/1
63,0 47,00 18,40 58,40 61,50 6,35 0,40 PCB 1A0630 * DBM 248 185 DAS 63 47
63,0 47,00 19,40 58,40 61,50 6,35 0,40 PCB 2C0630 * DAS 63 47/2
63,0 47,00 20,50 59,00 62,00 3,10 0,40 PCB 0B0630 * DBM 248 185/M DAS 63 47/1
65,0 49,00 20,50 61,00 64,00 3,10 0,40 PCB 0N0650 * DBM 255 192/M DAS 65 49
65,0 50,00 18,40 60,40 63,50 6,35 0,40 PCB 1A0650 * DBM 255 196 DAS 65 50
70,0 50,00 22,40 64,20 68,30 6,35 0,40 PCB 0A0700 * DBM 275 196 DAS 70 50
70,0 54,00 20,50 66,00 69,00 3,10 0,40 PCB 1N0700 * DBM 275 212/M DAS 70 54
75,0 55,00 22,40 69,20 73,30 6,35 0,40 PCB 0A0750 * DBM 295 216 DAS 75 55
75,0 59,00 20,50 71,00 74,00 3,10 0,40 PCB 1A0750 * DAS 75 59
80,0 60,00 22,40 74,15 78,30 6,35 0,40 PCB 0A0800 * DBM 314 236 DAS 80 60
80,0 62,00 22,50 76,00 79,00 3,60 0,40 PCB 1A0800 * DBM 314 244/M DAS 80 62
85,0 65,00 22,40 79,15 83,30 6,35 0,40 PCB 0A0850 * DBM 334 255 DAS 85 65
90,0 70,00 22,40 84,15 88,30 6,35 0,40 PCB 0A0900 * DBM 354 275 DAS 90 70
90,0 72,00 22,50 86,00 89,00 3,60 0,40 PCB 1A0900 * DAS 90 72
95,0 75,00 22,40 89,15 93,30 6,35 0,40 PCB 0A0950 * DBM 374 295 DAS 95 75
100,0 75,00 22,40 93,15 98,00 6,35 0,40 PCB 0A1000 * DBM 393 295 DAS 100 75
100,0 82,00 22,50 96,00 99,00 3,60 0,40 PCB 1A1000 * DBM 393 332/M DAS 100 82
105,0 80,00 22,40 98,10 103,00 6,35 0,40 PCB 0A1050 * DBM 413 314 DAS 105 80
110,0 85,00 22,40 103,10 108,00 6,35 0,40 PCB 0A1100 * DBM 433 334 DAS 110 85
110,0 92,00 22,50 106,00 109,00 3,60 0,40 PCB 1A1100 * DAS 110 92
115,0 90,00 22,40 108,10 113,00 6,35 0,40 PCB 0A1150 * DBM 452 354 DAS 115 90
115,0 97,00 22,50 111,00 114,00 3,60 0,40 PCB 1N1150 * DAS 115 97
120,0 95,00 22,40 113,10 118,10 6,35 0,80 PCB 0A1200 * DBM 472 374 DAS 120 95
125,0 100,00 25,40 118,10 123,00 6,35 0,80 PCB 0A1250 * DBM 492 393 DAS 125 100
125,0 103,00 26,50 121,00 124,00 5,10 0,80 PCB 1A1250 * DBM 492 405/M DAS 125 103
130,0 105,00 25,40 122,60 127,50 9,50 0,80 PCB 1A1300 * DBM 511 413 DAS 130 105
130,0 105,00 25,40 123,10 128,00 6,35 0,80 PCB 0B1300 * DAS 130 105/1
133,0 115,00 22,40 125,60 130,50 9,52 0,80 PCB 001330 DBM 523 452
135.0
135.0
110.00
110.00
25.40
25.40
127.60
128.10
132.50
133.00
9.50
6.35
0.80
0.80
PCB 1A1350
PCB 0B1350
*
*
DBM 531 433 DAS 135 110
DAS 135 110/1
140,0 115,00 25,40 132,60 137,50 9,50 0,80 PCB 1A1400 * DBM 551 452 DAS 140 115
140,0 115,00 25,40 133,00 138,00 6,35 0,80 PCB 0B1400 * DAS 140 115/1
140,0 118,00 26,50 136,00 139,00 5,10 0,80 PCB 2A1400 * DBM 551 464/M DAS 140 118
145,0 120,00 25,40 137,60 142,50 9,50 0,80 PCB 1A1450 * DBM 570 472 DAS 145 120
145,0 120,00 25,40 138,30 142,95 6,35 0,80 PCB 0B1450 * DAS 145 120/1
150,0 125,00 25,40 142,60 147,50 9,50 0,80 PCB 1A1500 * DBM 590 492 DAS 150 125
150,0 125,00 25,40 143,00 148,00 6,35 0,80 PCB0B1500 * DAS 150 125/1
150,0 128,00 26,50 146,00 149,00 5,10 0,80 PCB 2A1500 * DAS 150 128
152,4 127,00 31,75 145,00 149,91 9,50 0,80 PCB 001524 DBM 600 500
155,0 130,00 25,40 147,60 152,50 9,50 0,80 PCB 0A1550 * DBM 610511 DAS 155 130
155,0 130,00 25,40 148,00 153,00 6,35 0,80 PCB 1B1550 * DAS 155 130/1
160,0 130,00 25,40 153,00 157,50 6,35 0,80 PCB 0A1600 * DAS 160 130
160,0 130,00 25,40 152,60 157,50 9,50 0,80 PCB 3A1600 * DBM 629 511 DAS 160 130/1
160,0 135,00 25,40 152,60 157,50 9,50 0,80 PCB 1A1600 * DBM 629 531 DAS 160 135
160,0 138,00 26,50 156,00 159,00 5,10 0,80 PCB 2A1600 * DAS 160 138
165,0 140,00 25,40 157,60 162,50 9,50 0,80 PCB 0A1650 * DBM 649 551 DAS 165 140
170,0 145,00 25,40 161,70 167,10 12,70 0,80 PCB 0A1700 * DBM 669 570 DAS 170 145
170.0
175.0
148.00
150.00
26.50
25.40
166.00
166.70
169.00
172.10
5.10
12.70
0.80
0.80
PCB 1A1700
PCB 0A1750
*
*
DBM 688 590 DAS 170 148
DAS 175 150
180,0 150,00 35,40 172,95 177,87 6,35 0,80 PCB 0A1800 * DAS 180 150
180,0 155,00 25,40 171,70 177,10 12,70 0,80 PCB 1A1800 * DBM 708 610 DAS 180 155
185,0 160,00 25,40 176,70 182,10 12,70 0,80 PCB 0A1850 * DBM 728 629 DAS 185 160
190,0 165,00 25,40 181,70 187,00 12,70 0,80 PCB 0A1900 * DBM 748 649 DAS 190 165
195,0 170,00 25,40 186,70 192,00 12,70 0,80 PCB 0A1950 * DBM 767 669 DAS 195 170
200,0 175,00 25,40 191,60 197,00 12,70 0,80 PCB 0A2000 * DBM 787 688 DAS 200 175
200,0 175,00 31,50 196,00 199,00 6,60 0,80 PCB 102000 DBM 787 688/M
210,0 185,00 25,40 201,60 207,00 12,70 0,80 PCB 0A2100 * DBM 826 728 DAS 210 185
220,0 190,00 35,40 212,70 217,90 6,35 0,80 PCB 0A2200 * DAS 220 190
220,0 195,00 25,40 211,60 217,00 12,70 0,80 PCB 1A2200 * DBM 866 767 DAS 220 195
230,0 205,00 25,40 221,60 227,00 12,70 0,80 PCB 0A2300 * DBM 905 807 DAS 230 205
240,0 215,00 25,40 231,60 237,00 12,70 0,80 PCB 0A2400 * DBM 944 846 DAS 240 215
250,0 220,00 35,40 242,90 247,85 6,35 0,80 PCB 0A2500 * DAS 250 220
250,0 225,00 25,40 241,60 247,00 12,70 0,80 PCB 1A2500 * DBM 984 886 DAS 250 225

 

 

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