JW-51簡述
Specifications: 
*Maximum Pressure: 2.9 PSI.
*Maximum Fluid Temperature:140°F / 60°C
*Bung Adapter: 2" Male
*Inlet: 1-1/4".
*Outlet: 1" O.D. Curved Spout 
*Main Material: Steel & P.P. 
*Maximum Viscousity: 2,000 SSU
Features: 
*Supply with high capacity  foot pump. 
*High-volume bellows to inflate into drum & Ideal for 55 gallon drum. 
*Simple and easy to pump non-corrosive liquids. 
*Durable construction with one quick-connect fitting that connects the drum adapter. 
*Supply with the check valve to control the fluid to filling and air pressure steady.