Natural Gas Orifice Capacity Tools
Updated August 6, 2026
| Lot number | 1243 |
| Category | Tools & Shop Equipment |
| Auction | Antique Collector Auction 1 |
| Date | August 9, 2026 at 4:00 PM CDT |
| Auction house | St. Louis Estate Buyers LLC |
| Location | Arnold, Missouri |
Natural Gas Orifice Capacity Tools Natural gas orifice capacity tools determine the ideal drill size to deliver a specific BTU/hr heat output, or calculate the flow rate through a given orifice diameter. Comes in original metal box with Orifice Capacity Data. Some of the tools appear to be missing. Please see photos for more details Box is 6 1/2" in length
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