SPGW – piston seal
SPGW is a compact double acting piston seal assembly designed for one piece pistons and is suitable for low to high pressure, medium to heavy duty applications. The assembly comprises as standard a self lubricating wear resistant bronze filled PTFE cap ring, which is loaded by a NBR energiser. Thermoplastic splite anti-extrusion rings support the seal on both sides and prevent contamination of the energiser and cap ring.
SPGW piston seal is designed to be used in a variety of equipment and is particularly suited to use in earthmoving and other off-highway equipment.
Material | Power-transmission fluid | Temperature | Speed | Pressure | Max. Gap F |
PTFE+bronze | Mineral Oil | -40 – +110 | ≦ 1.5 m/s | 160 bar | F ≦ 1.0 mm |
250 bar | F ≦ 0.8 mm | ||||
400 abr | F ≦ 0.6 mm | ||||
500 bar | F ≦ 0.4 mm |
Chamfers & Rod (mm) | Tolerance | Surface Finishing | ||||||
μm Ra | μm Rt | |||||||
S ≦ | 7 | 7.5 | 11.5 | 14 | ØD1 | H9 | 0.1-0.4 | ≦ 4 |
C ≧ | 4 | 4 | 6 | 7.5 | Ød1 | +0 -0.2 | ≦ 1.6 | ≦ 10 |
r1 ≧ | 1.6 | 1.6 | 1.6 | 1.6 | L | +0.2 -0 | ≦ 3.2 | ≦ 16 |
We offer the below sizes
Item | Material | OD (mm) | ID (mm) | H (mm) | Groove H (mm) |
SPGW | PTFE+NBR+POM | 50 | 36 | 8.5 | 9 |
SPGW | PTFE+NBR+POM | 55 | 41 | 8.5 | 9 |
SPGW | PTFE+NBR+POM | 60 | 46 | 8.5 | 9 |
SPGW | PTFE+NBR+POM | 65 | 50 | 10.5 | 11 |
SPGW | PTFE+NBR+POM | 70 | 55 | 10.5 | 11 |
SPGW | PTFE+NBR+POM | 75 | 60 | 10.5 | 11 |
SPGW | PTFE+NBR+POM | 80 | 65 | 10.5 | 11 |
SPGW | PTFE+NBR+POM | 85 | 70 | 10.5 | 11 |
SPGW | PTFE+NBR+POM | 90 | 75 | 10.5 | 11 |
SPGW | PTFE+NBR+POM | 95 | 80 | 12 | 12.5 |
SPGW | PTFE+NBR+POM | 100 | 85 | 12 | 12.5 |
SPGW | PTFE+NBR+POM | 105 | 90 | 12 | 12.5 |
SPGW | PTFE+NBR+POM | 110 | 95 | 12 | 12.5 |
SPGW | PTFE+NBR+POM | 115 | 100 | 12 | 12.5 |
SPGW | PTFE+NBR+POM | 120 | 105 | 12 | 12.5 |
SPGW | PTFE+NBR+POM | 125 | 102 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 130 | 107 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 135 | 112 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 140 | 117 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 145 | 122 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 150 | 127 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 155 | 132 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 160 | 137 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 165 | 142 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 170 | 147 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 175 | 152 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 180 | 157 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 185 | 162 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 190 | 167 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 195 | 172 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 200 | 177 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 220 | 197 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 225 | 202 | 15.5 | 16 |
SPGW | PTFE+NBR+POM | 250 | 222 | 17 | 17.5 |
SPGW | PTFE+NBR+POM | 260 | 232 | 17 | 17.5 |
SPGW | PTFE+NBR+POM | 270 | 242 | 17 | 17.5 |
SPGW | PTFE+NBR+POM | 280 | 252 | 17 | 17.5 |
SPGW | PTFE+NBR+POM | 290 | 262 | 17 | 17.5 |
SPGW | PTFE+NBR+POM | 300 | 272 | 17 | 17.5 |
We can also offer by Part No:
Komatsu Piston Seals:
07161-10060
707-44-50070
707-44-50080
707-44-55080
707-44-60070
707-44-60080
707-44-60180
707-44-65080
707-44-70070
707-44-70080
707-44-70110
707-44-75080
707-44-80080
707-44-85180
707-44-90070
707-44-90180
707-44-95080
707-44-95180
707-44-10070
707-44-10080
707-44-10180
707-44-10280
707-44-11070
707-44-11080
707-44-11280
707-44-12080
707-44-12180
707-44-12280
707-44-13080
707-44-13180
707-44-13280
707-44-14080
707-44-14150
707-44-14180
707-44-14280
707-44-15180
707-44-15280
707-44-16080
707-44-16180
707-44-16280
707-44-17180
707-44-17580
707-44-18150
707-44-18180
707-44-18250
707-44-18280
707-44-19080
707-44-19580
707-44-20080
707-44-20150
707-44-20180
707-44-20190
707-44-22080
707-44-22180
707-44-22290
707-44-25010
707-44-25080
707-44-25190
707-44-26080
707-44-27080
707-44-28080
707-44-29080
707-44-30080
Caterpillar Piston Seals:
8J3747
9J7868
8J8767
9J1242
9J5558
8J8703
8J3749
8J4510
9J5567
8J5644
8J4390
3G4762
9J3406
3G4765
9J2987
2508729
0996998
2639886
0996973
2773389
5I5928
0996922
A04601713
A04601719