GWJ metal-cased hydraulic wiper seals effectively block dust, dirt, sand and metallic debris from infiltrating the piston rod end pin. A unique feature (see Figure 1) is its specialized dust-exclusion lip design. Refer to the GWJ seal specifications below for full details.
Item NO.:
GWJOrder(MOQ):
50Payment:
T/TProduct Origin:
ChinaShipping Port:
ShanghaiProduct Description
GWJ PU Metal Wiper Seal is designed to protect hydraulic cylinders from dust, sand, moisture, and other external contaminants. Featuring a durable metal casing and a specially engineered polyurethane wiping lip, it delivers excellent dust exclusion performance while helping extend equipment service life and improve system reliability.
As a single-acting rod wiper seal, the GWJ offers outstanding abrasion resistance and dependable sealing performance in demanding operating environments. This wear-resistant dust seal is widely used in construction machinery, agricultural equipment, and industrial hydraulic systems, and is available in various sizes to meet different application requirements.

| Parameter | Value |
| Operating temperature | -30°C to +100°C |
| Surface speed | ≤ 1 m/s |
| Material | Polyurethane (PU P2001)+Metal case (SPCC) |
| Design type | Single-acting wiper |
| Unit system | Metric |
Advantages
Product Parameter Table
| Designation | Rod diameter | Housing groove diameter | Housing groove width | Primary sealing element |
| [mm] | [mm] | [mm] | ||
| GWJ 25X35X4 M1001 | 25 | 35 | 4 | Polyurethane (PU P2001) |
| GWJ 30X40X4 M1001 | 30 | 40 | 4 | Polyurethane (PU P2001) |
| GWJ 35X45X4 M1001 | 35 | 45 | 4 | Polyurethane (PU P2001) |
| GWJ 35X45X5 M1001 | 35 | 45 | 5 | Polyurethane (PU P2001) |
| GWJ 40X50X4 M1001 | 40 | 50 | 4 | Polyurethane (PU P2001) |
| GWJ 40X50X5 M1001 | 40 | 50 | 5 | Polyurethane (PU P2001) |
| GWJ 45X55X4 M1001 | 45 | 55 | 4 | Polyurethane (PU P2001) |
| GWJ 45X55X5 M1001 | 45 | 55 | 5 | Polyurethane (PU P2001) |
| GWJ 50X60X4 M1001 | 50 | 60 | 4 | Polyurethane (PU P2001) |
| GWJ 50X60X5 M1001 | 50 | 60 | 5 | Polyurethane (PU P2001) |
| GWJ 50X65X4 M1001 | 50 | 65 | 4 | Polyurethane (PU P2001) |
| GWJ 50X65X5 M1001 | 50 | 65 | 5 | Polyurethane (PU P2001) |
| GWJ 55X70X4 M1001 | 55 | 70 | 4 | Polyurethane (PU P2001) |
| GWJ 55X70X5 M1001 | 55 | 70 | 5 | Polyurethane (PU P2001) |
| GWJ 60X75X4 M1001 | 60 | 75 | 4 | Polyurethane (PU P2001) |
| GWJ 60X75X5 M1001 | 60 | 75 | 5 | Polyurethane (PU P2001) |
| GWJ 65X80X4 M1001 | 65 | 80 | 4 | Polyurethane (PU P2001) |
| GWJ 65X80X5 M1001 | 65 | 80 | 5 | Polyurethane (PU P2001) |
| GWJ 70X85X6 M1001 | 70 | 85 | 6 | Polyurethane (PU P2001) |
| GWJ 70X85X8 M1001 | 70 | 85 | 8 | Polyurethane (PU P2001) |
| GWJ 75X90X6 M1001 | 75 | 90 | 6 | Polyurethane (PU P2001) |
| GWJ 75X90X8 M1001 | 75 | 90 | 8 | Polyurethane (PU P2001) |
| GWJ 80X95X6 M1001 | 80 | 95 | 6 | Polyurethane (PU P2001) |
| GWJ 80X95X8 M1001 | 80 | 95 | 8 | Polyurethane (PU P2001) |
| GWJ 85X100X6 M1001 | 85 | 100 | 6 | Polyurethane (PU P2001) |
| GWJ 85X100X8 M1001 | 85 | 100 | 8 | Polyurethane (PU P2001) |
| GWJ 90X105X6 M1001 | 90 | 105 | 6 | Polyurethane (PU P2001) |
| GWJ 90X105X8 M1001 | 90 | 105 | 8 | Polyurethane (PU P2001) |
| GWJ 95X110X8 M1001 | 95 | 110 | 8 | Polyurethane (PU P2001) |
| GWJ 100X115X6 M1001 | 100 | 115 | 6 | Polyurethane (PU P2001) |
| GWJ 100X115X8 M1001 | 100 | 115 | 8 | Polyurethane (PU P2001) |
| GWJ 105X120X8 M1001 | 105 | 120 | 8 | Polyurethane (PU P2001) |
| GWJ 110X125X8 M1001 | 110 | 125 | 8 | Polyurethane (PU P2001) |
| GWJ 120X135X8 M1001 | 120 | 135 | 8 | Polyurethane (PU P2001) |
| GWJ 120X140X8 M1001 | 120 | 140 | 8 | Polyurethane (PU P2001) |
| GWJ 160X180X8 M1001 | 160 | 180 | 8 | Polyurethane (PU P2001) |
| GWJ 180X200X8 M1001 | 180 | 200 | 8 | Polyurethane (PU P2001) |
| GWJ 190X210X10 M1001 | 190 | 210 | 10 | Polyurethane (PU P2001) |
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| Material code | M1001 |
| Speed | Up to 1 m/s (3.2 ft/s) |
| Temperature range | –30 to +100 °C (–22 to +212 °F) |
| Dimension standards | Some sizes fit seal housings in accordance with ISO 6195-B:2013. |
| Size list | → Metric |
| Additional information | → Press-in wiper seals |
| Maximum values of application parameters (e.g. speed, temperature) should not be applied continuously nor simultaneously. | |
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