Canister/drum hand metering pump, for lyes, red, 20 l/min. Supplied = pre-assembled, final assembly by customer. Design of pump = hand pump with immersion tube. For media = alkalis, non aggressive media, water. Material of pump = polypropylene (PP) Immersion tube diameter = 31 mm. Pump rate = 20 l/min. Immersion tube length = 4x250 mm. Weight = 0.8 kg. Product type = hand pumps. For alkaline media such as lyes, alkaline cleaning media. Easy and safe metering. Suitable for canisters and 200 litre drums. No power or compressed air connection required. Pump output: Water 20 l/min/SAE 30 oil 9 l/min (when used as siphon/transfer pump) Optimal metering by pressing the tap or use as siphon/transfer pump. How they work: The lever is used to pump air into the drum or canister, which creates an overpressure that forces the liquid out of the container when the tap is opened. By pressing the tap, the quantity can be metered optimally and precisely, and a test tube can also be filled. If the optionally available discharge hose with tap (accessory) is used, and it is placed at an angle, the pump also functions as a siphon pump or transfer pump at approx. 20 l/min. Immersion tube comprised of four parts, 250 mm each. Immersion tube diameter 31 mm. NBR rubber adapter for bung hole diameters from 46.5 - 60 mm. Pump body PP, immersion tube PVC, internal parts stainless steel (pressure relief valve) EPDM seals. Metering/filling and transfer hand pump for alkaline media such as lyes and alkaline cleaning media. Not suitable for flammable media. Please note: if media compatibility is unclear, please enquire about the suitability of pumps beforehand.