Port Size 2” NPT (Internal) 2” BSP (Tapered) Capacity 0 to 150 gpm (567 lpm) Air Distribution Valve No-lube, no-stall design Solids-Handling Up to 1.8" (45.7 mm) Heads Up To 100 psi or 231 ft. of water (7 bar or 70 meters) Displacement/Stroke .50 gallons (1.9 liters) Max Operating Pressure 100 psi (7 bar) Shipping Weight Pump: 53 lbs. (24 kg) Shipping: 70 lbs. (31.7 kg) 性能曲线图: