Weights
Geothermal probe weights in EN-GJL-250 grey cast iron ensure ballasting and stabilisation of probes during installation in the borehole. Available quickly from our permanent stock.
Dimensions and weights
| Construction | Dimensions | Weight |
|---|---|---|
| Starting weight 15 kg | L=510 mm, D=94 mm | ≥ 15.0 kg |
| Starting weight 19 kg | L=615 mm, D=94 mm | ≥ 19.0 kg |
| Extension weight 20 kg | L=585 mm, D=88 mm | ≥ 20.0 kg |
Physical and mechanical properties
| Property | Value |
|---|---|
| Density | ~ 7.3 kg/dm³ |
| Tensile strength | 250-350 N/mm² |
| Elongation at break (DIN EN 1561) | 0.3-0.8 % |
| Modulus of elasticity | 103-118 kN/mm² |
| Poisson's ratio | 0.26 |
Need weights for your geothermal probes?
PROMAFORSOVEMA offers starting and extension weights from permanent stock at its 4 branches across France. Contact our teams for a customised quote or advice on the ballasting suited to your borehole depth.
