Economical Rotary Drum Pumps - 510977. Ideal for light oils, anti-freeze and other light non-flammable and non-combustible liquids Fits 15 - 55 gallon drums with 2" NPS bung Versatile metal pumps work in both directions - positive rotary flow siphons to a lower level. Pumps come with a 3-piece 47" suction tube and 2" steel bung adapter. Cast iron pumps have plain curved discharge spout, choose pump with steel vanes vanes. 48" PVC hose and clamp included with 8RP900 and 8RP900DP, only. Optional 5 PVC hose with stainless steel clamp, 81HK, listed below. Drip Pan Model 8RP900DP returns drips and spills directly to drum. Shown 8RP900Features: Description: Cast iron Discharge: Curved spout Gallons Per 100 Revolutions: 7 1/2 Suction Tube: 3 piece, 47" Vane Material: Steel Weight: 17 lbs..