You can buy dispensing needle valves online at: http://ellsworth.com/display/productlisting.html?ProductLineID=21&SubcategoryID=89 =Products A google search is also helpful in this area.
Dispensing valves are in-line valves for on-off service in dispensing liquids from storage containers. Flow will occur when the middle of the valve is pinched and will continue as long as finger pressure is maintained.
There are a few choices for dispensing valves in your area. I would try Graco Inc. P.O. Box 1441 Minneapolis, MN 55440
The error rate is less taht 1%. You should have your valves inspected often.
One will find information on needle valves at the Globalspec company's website. One may also check on the Homedistillers forum for additional tips and user's reviews.
They have to learn needle work, cooking.
To adjust gas flow therefore adjusting flame intensity.
How to place a thread through a needle-head.
SIC 3586 applies to MEASURING AND DISPENSING PUMPS.
Association of British Dispensing Opticians was created in 1986.
A pharmacist is a specialist in dispensing and preparing medications.
generally when you have fuel in your crankcase it is due to dirt in the needle and seat of the carb allowing fuel to continue to flow through the needle and seat past the valves and into the cylinder. try cleaning the carb and possibly putting in a kit