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EQUIPMENT & SUPPLIES, CONTINUED
VHT0324
Tirrill Burners
Unlike a Bunsen burner, a Tirrill burner allows adjustment of both the air supply and the gas supply. Adjustable air ports regulate the air supply, and a brass needle valve regulates the gas supply. Accepts burner tubing with 3⁄8" i.d. (Catalog No. AP8286). Maximum temperature of flame can reach 1560 oC. Natural Gas model (AP1019) and Bottled Gas model (AP1020) are furnished with flame retainers while the Aritificial Gas model (AP1018) is not.
3 options available at flinnsci.com
$31.95–$33.35
Micro Bunsen Burner
Miniature burner, 31⁄2" high. Provided with fine gas-con- trol needle and adjustable air ports. Flame retainer built into the burner. For natural gas only. Accepts burner tubing with an i.d. of 5⁄16" (Catalog No. AP8285).
AP1024 I $28.35
Bunsen Burners
Bunsen Burner, Adjustable, Natural Gas
This Bunsen burner features adjustable gas and air inlets and a heavy base to prevent tipping. A brass threaded needle valve plus a rubber O-ring provides gas regulation while preventing gas leakage. The aluminum mixing tube with flame retainer comes equipped with adjustable vents for air regulation.
AP5344 I $25.65
Inexpensive Bunsen burners with adjustable air ports. Only the air supply ports can be adjusted. Available with or without a flame retainer. Accepts burner tubing
with an inside diameter of 5⁄16" (Catalog No. AP8285). Maximum temperature of flame can reach 1560 oC. Bottled propane option is also available.
3 options available at flinnsci.com
$18.80–$25.75
VPD0081
FLINN SCIENTIFIC
I MIDDLE SCHOOL PHYSICAL SCIENCE 35