I need a 12v water pump capable of at least 40psi. The only website that i found is one where you have to order a minimum of 100.
Dude, you're out of practice. What do you mean by small? 12 volt what source? What is your purpose? Blowing imaginary evil fairies away would be so cool!
Maybe at a sporting goods store.
You can buy pressure pumps from HIMIN SOLAR CO.,LTD, SUN MOON MANSION, SOLAR VALLEY ROAD, ECONOMIC DEVELOPMENT ZONE, DEZHOU CITY, SHANDONG,CHINA.
Look for sites that sell camping and RV supplies. It is common for a RV to have this kind of pump. You might look into sailboat supplies. An ocean going sailboat will have a pump much like a RV. Why do you need 40 PSI? 40 PSI will raise a column of water about 100 feet. Why do you need such high pressure? Most houses only have 15 to 20 PSI water pressure from a city main, half of what you say you need. A well pump can raise water several hundred feet to lift water to the surface and an additional 30 feet to provide 15 PSI in the water system of the house.
