Grundomat Solid/Sloted Head Pipe Bursting Expander. Stock number: GRU031 Model name:4" D.B. Solid head pipe bursting expander (75P-85P) Helps ensure smooth operation of

Helps ensure smooth operation of air tools

Used to locate individual utilities when either bundled together or in close proximity and where it is not possible to use a locator

Delta Markers 1–6 (On/Off)

Cable Loss

Grundomat Solid/Sloted Head Pipe Bursting Expander. Stock number: GRU031 Model name:4" D.B. Solid head pipe bursting expander (75P-85P) Helps ensure smooth operation ofGRUNDOMAT Solid Slotted Head Pipe Bursting Expanders are designed for use with reversible GRUNDOMAT pneumatic tools in pipe bursting applications. These expanders help enlarge and displace the existing pipe path during trenchless pipe replacement work. Used with reversible GRUNDOMAT tools since the early 1970s, these direct bolt pipe bursting expanders are a practical accessory for contractors working on underground utility replacement, pipe bursting,