Product Group
Piston buffer seal (square section)
33 different sizes · ID 40 – 170 mm
The table below lists the sizes in this group. If you know the size you need, search within a tolerance in the size finder and request a quote directly from the results.
Size table
Dimensions are in millimetres.
| Inner diameter | Outer diameter | Height | Material | Product name |
|---|---|---|---|---|
| 40 | 30 | 4.3 | — | 040X030X04.3 SPG PISTON BUFFER SQUARE SECTION |
| 45 | 35 | 4 | — | 045X035X04 SPG PISTON BUFFER SQUARE SECTION |
| 50 | 40 | 4 | — | 050X040X04 SPG PISTON BUFFER SQUARE SECTION |
| 55 | 45 | 4 | — | 055X045X04 SPG PISTON BUFFER SQUARE SECTION |
| 60 | 50 | 4 | — | 060X050X04 SPG PISTON BUFFER SQUARE SECTION |
| 63 | 48 | 7 | — | 063X048X07 SPG PISTON BUFFER SQUARE SECTION |
| 65 | 55 | 4 | — | 065X055X04 SPG PISTON BUFFER SQUARE SECTION |
| 65 | 50 | 7 | — | 065X050X07 SPG PISTON BUFFER SQUARE SECTION |
| 69 | 54 | 7 | — | 069X054X07 SPG PISTON BUFFER SQUARE SECTION |
| 70 | 55 | 7 | — | 070X055X07 SPG PISTON BUFFER SQUARE SECTION |
| 71 | 56 | 7 | — | 071X056X07 SPG PISTON BUFFER SQUARE SECTION |
| 75 | 60 | 7 | — | 075X060X07 SPG PISTON BUFFER SQUARE SECTION |
| 80 | 65 | 7 | — | 080X065X07 SPG PISTON BUFFER SQUARE SECTION |
| 85 | 70 | 7 | — | 085X070X07 SPG PISTON BUFFER SQUARE SECTION |
| 90 | 75 | 7 | — | 090X075X07 SPG PISTON BUFFER SQUARE SECTION |
| 95 | 80 | 7 | — | 095X080X07 SPG PISTON BUFFER SQUARE SECTION |
| 100 | 85 | 7 | — | 100X085X07 SPG PISTON BUFFER SQUARE SECTION |
| 105 | 90 | 7 | — | 105X090X07 SPG PISTON BUFFER SQUARE SECTION |
| 108 | 92 | 7 | — | 108X092X07 SPG PISTON BUFFER SQUARE SECTION |
| 110 | 94 | 7 | — | 110X094X07 SPG PISTON BUFFER SQUARE SECTION |
| 112 | 96 | 7 | — | 112X096X07 SPG PISTON BUFFER SQUARE SECTION |
| 115 | 99 | 7 | — | 115X099X07 SPG PISTON BUFFER SQUARE SECTION |
| 120 | 104 | 7 | — | 120X104X07 SPG PISTON BUFFER SQUARE SECTION |
| 125 | 109 | 7 | — | 125X109X07 SPG PISTON BUFFER SQUARE SECTION |
| 130 | 114 | 7 | — | 130X114X07 SPG PISTON BUFFER SQUARE SECTION |
| 135 | 119 | 7 | — | 135X119X07 SPG PISTON BUFFER SQUARE SECTION |
| 140 | 124 | 7 | — | 140X124X07 SPG PISTON BUFFER SQUARE SECTION |
| 145 | 129 | 7 | — | 145X129X07 SPG PISTON BUFFER SQUARE SECTION |
| 150 | 134 | 7 | — | 150X134X07 SPG PISTON BUFFER SQUARE SECTION |
| 155 | 139 | 7 | — | 155X139X07 SPG PISTON BUFFER SQUARE SECTION |
| 160 | 144 | 7 | — | 160X144X07 SPG PISTON BUFFER SQUARE SECTION |
| 160 | 141 | 9.5 | — | 160X141X09.5 SPG PISTON BUFFER SQUARE SECTION |
| 170 | 151 | 9.5 | — | 170X151X09.5 SPG PISTON BUFFER SQUARE SECTION |
What does a buffer seal do?
Buffer seals are placed in front of the main sealing element to absorb pressure fluctuations. Sudden pressure spikes in hydraulic systems strain the main seal; the buffer damps these peaks and extends the life of the seal behind it.
Send us your size
We can also supply sizes that are not on the list. Just send us the part's dimensions and operating conditions. See the group list for all product groups and the product catalogue for products with technical drawings.