Product Description
The Welker UB4N025A010DER1B000 is a UB4 Series Unibody Shot Pin Pneumatic Cylinder featuring an integrated anti-rotate 40mm square ram and aluminum body with steel ram construction. This unit is configured with a 25mm stroke, Rap coupler (shortening nominal cylinder stroke by 2mm), single-rod NPT pneumatic actuator, large 4-hole (D) ram style, cylinder switch (E-type, Retract position), shroud, and P2 port position. The UB4 is widely used in automotive and industrial automation for retractable locating pins, part stops, straight-acting clamps, probe slides, and wedge lock applications.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Welker |
| Model / Part Number | UB4N025A010DER1B000 |
| Series | UB4 Unibody Shot Pin |
| Product Type | Pneumatic Shot Pin Cylinder |
| Body Material | Aluminum Body, Steel Ram |
| Stroke Length | 25mm |
| Coupler Type | Rap (shortens nominal cylinder stroke by 2mm) |
| Actuator Type | Pneumatic – Single Rod – NPT |
| Options | None |
| Ram Style | 4-Hole Large (D) |
| Ram Size | 40mm Square |
| Cylinder Switch | E-Type Switch, Retract Position (Quick Disconnect) |
| Shroud | Yes (Shroud Included) |
| Port Position | P2 |
| Port Size | 1/4" NPT |
| Recommended Operating Pressure | 60–80 PSI |
| Cylinder Bore | 70mm |
| Mounting | NAAMS Standard Mounting |
| Lubrication | Pre-lubricated, No Subsequent Lubrication Required |
| Anti-Rotate | Integrated Anti-Rotate Ram |
| Applications | Retractable Locating Pin, Part Stop, Probe Slide, Wedge Lock, Straight Clamp |
| Manufacturer | Welker Engineered Products |
| Manufacturer Location | Troy, MI, USA |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
GTIN 679523686161
Manufacturer Welker
Part Number UB4N025A010DER1B000
Shelf B-19
Bore Diameter 70 mm
Model UB4N025A010DER1B000
MPN UB4N025A010DER1B000
Type Pneumatic Cylinder
