52 / 140 52 5000 l/h 2500 l/h 500 l/h 315 l/h 160 l/h 80 l/h 1800 l/h 1250 l/h 1000 l/h 800 l/h 650 l/h 500 l/h 400 l/h 230 l/h 315 l/h 160 l/h 80 l/h 40 l/h 5000 l/h 2500 l/h 1000 l/h 7000 l/h 4000 l/h 2000 l/h 1000 l/h 7000 l/h 4100 l/h 1900 l/h 1–2. handle, round 3–4. handle, oval 5. coupling nut 10. non-return valves 6–7. cap nuts 8–9. hose fittings 12. flexible