PURCHASED A PUMA PK-65 PUMP. AFTER VIEWING THE PUMA WEBSITE AND THE CS WEBSITE IT WAS DETERMINED THERE WAS A MAX RPM DISCREPANCY. I HAD ALREADY ORDERED A 3.5 INCH PULLEY, BUT IT WAS DETERMINED AFTER DISCUSSION, I NEEDED A 4 INCH. COMPRESSOR SOURCE ACKNOWLEDGED THE ERROR AND I WAS ABLE TO SEND THE WRONG ADVISED PULLEY BACK FREE OF CHARGE AND GET THE CORRECT ONE. SHIPPING WAS VERY VERY FAST AND APPRECIATIVE. THESE FOLKS ARE GREAT, BUT,I CANT SAY THE SAME FOR THE PUMP. THE WEBSITE SAYS 14-22 SCFM BUT I ONLY GOT 13.8 AT 90PSI USING THE WEBSITE CALCULATOR. I WAS HOPING FOR A BIT MORE, BUT I WILL DEAL WITH IT. I WISH I HAD WENT A DIFFERENT ROUTE ON THAT. BUT, WITH THAT BEING SAID, THE CUSTOMER SERVICE WAS SECOND TO NONE AND I WOULD GLADLY BUY FROM THESE FOLKS AGAIN.
1/4" Male NPT Manual Ball Valve Style Air Compressor Tank Drain Petcock
This compact 1/4" Male NPT brass drain valve is a reliable upgrade or replacement for standard petcock-style air compressor tank drains. Designed for tight spaces, it measures just 1-1/4" in total length, making it ideal for use underneath tanks or in hard-to-reach areas.
The valve body is made from solid brass and finished with a nickel plating for added corrosion resistance and long-lasting durability. A durable plastic lever handle makes opening and closing quick and easy—perfect for daily moisture draining from your compressor tank. Compatible with any air tank that has a 1/4" female NPT port (note: 1/4" NPT threads measure approximately 1/2" in outer diameter when using a tape measure).
Specifications:
• Thread Size: 1/4" Male NPT
• Thread Diameter: Measures approx. 1/2" with tape measure
• Material: Brass body with nickel-plated finish
• Handle: Durable plastic for easy operation
• Working Pressure: Up to 200 PSI
• Overall Length: 1-1/4"
• Compact design fits well in limited space
• Compatible with standard air compressor tanks using 1/4" NPT ports
A practical, corrosion-resistant solution for cleaner, more efficient tank drainage.

