Kerr-Ventura Graphite Crucibles For All 30 Troy Ounce Models

These virgin graphite crucibles are manufactured exclusively for Otto Frei as a direct replacement for Kerr part numbers 29478 and 35620. Designed for use in all Kerr 30 troy ounce (approximately 1 kilo) Electro Melt models, they deliver long-lasting, economical performance that outlasts compressed graphite alternatives.

Unlike the compressed graphite crucibles commonly found on the market, these crucibles are made from virgin graphite — a denser, higher-quality material that results in a heavier crucible with a bright, shiny, smooth surface when new. This construction provides maximum resistance to oxidation during the melt cycle, helping to protect your metal and extend service life.

To avoid cross-contamination, use a separate crucible for each metal type.

Features

• Made from virgin graphite — not compressed graphite — for greater density and durability
• Heavier construction with a smooth, shiny surface when new
• Provides maximum oxidation resistance during melting
• Direct replacement for Kerr part numbers 29478 and 35620
• Compatible with all Kerr 30 troy ounce (1 kilo) Electro Melt models
• Made exclusively for Otto Frei

Specifications

Compatibility

Compatible with all Kerr 30 troy ounce Electro Melt models, including the current model 35222 and the following former production models:

Kerr Series 1258 (former production)

• Kerr 31806 – 120V
• Kerr 31807 – 230V
• Kerr 31808 – 120V
• Kerr 31809 – 230V

Kerr Series 364 (former production)

• Kerr 13993 – 115V
• Kerr 13994 – 230V
• Kerr 22359 – 115V
• Kerr 22373 – 230V

Notes

• All metric measurements are conversions and are ±1%.
• Dimensions listed reflect a brand new crucible. Dimensions will change with use as the graphite wears with repeated exposure to heat and air.
• Use a dedicated crucible per metal type to prevent contamination.