1. Vehicle composition: Engine, centrifugal pump, vacuum assist system, trailer, outriggers, lifting device, fuel tank, control system, rain-proof and noise-reducing enclosure, inlet pipe and outlet pipe, etc.
2. Overall dimensions with tow bar extended L×W×H (mm): ≤4250×2000×2200±100; overall dimensions with tow bar retracted L×W×H (mm): ≥3700×2000×2200±100;
3. Box dimensions L×W×H (mm): ≥2194×1280×1373±100;
4. ▲Noise-reducing rain cover: Uses national standard cold-rolled steel plate, thickness 1.5mm, rust prevention treatment uses pickling, phosphating, and electrostatic spraying process; inside the box, flame-retardant silent cotton is laid; inspection doors on both sides, 2 per side; ventilation holes on both sides, rain-proof louvers in front of engine radiator; visible window at control system; emergency stop buttons on both sides; (For above items, design drawings and physical photos must be provided).
5. Total vehicle weight (Kg): ≤2000;
6. Engine type: National III emission standard or higher, water-cooled diesel engine;
7. ▲Engine power (Kw): ≤60;
8. Engine starting method: One-key start; starting voltage (V): 24;
9. Number of engine cylinders (pcs): 4;
10. Engine speed (rpm): Adjustable 800-1800;
11. ▲Pump body is a self-priming centrifugal pump, equipped with water filling port, drainage port, and inspection hole (inspection hole aligns with impeller center when opened, facilitating inspection and maintenance); fastening components are three-jaw quick-release parts, removable without special tools;
12. ▲The pump and engine are connected via cylindrical mechanical seal seat, cylindrical bearing seat, and flange, made of cast iron, integrally cast; trapezoidal pillars reinforce both sides of the bearing seat; equipped with shaft grease reservoir cavity and automatic grease injection device;
13. ▲Flange added to engine flywheel housing, effectively enhancing concentricity between pump and engine; flange made of cast iron, integrally cast;
14. ▲Power transmission form: Engine directly drives pump shaft, fixed installation with diesel engine flywheel via multi-plate steel casting coupling;
15. ▲Outlet must be equipped with check valve;
16. ▲Pump casing material: Cast iron;
17. ▲Impeller structure: Two-blade open impeller, good passage for solid particles;
18. ▲Impeller material: Cast iron;
19. ▲Pump shaft material: 40Cr or better;
20. ▲Inlet: 3×DN150; Outlet: 2×DN150;
21. ▲Maximum flow rate (m³/h): ≥1000;
22. ▲Maximum suction lift (m): ≥9;
23. ▲Maximum head (m): ≥25;
24. ▲Passable solid particle diameter (mm): ≥70;
25. Vacuum assist system: Pump body equipped with gas-liquid separation device (material is cast iron); vacuum pump driven by motor, start/stop controllable;
26. ▲Trailer form: Two-wheel mobile trailer structure, equipped with hand-cranked mechanical lifting guide wheel device; trailer towing ring made of forged alloy steel, height adjustment device uses precision-forged gear disc, precise meshing, safe and reliable, trailer towing ring aperture ≥60mm, handle diameter ≥20mm; trailer equipped with hand brake and impact brake; trailer vibration damping method: Metal torsion bar damping (not leaf spring damping structure); (For above items, design drawings and physical photos must be provided); tires use automotive-specific tires;
27. Number of outriggers (pcs): ≥4; Support force ≥2250Kg; Outriggers can be flexibly removed according to usage scenarios;
28. Lifting device: Pump truck equipped with self-balancing lifting points for special emergency work environments.
29. Pump truck fuel tank: Made of welded square tubes ≥5mm thick, serving as a structural link between pump body, engine, and trailer, while also storing fuel; tank capacity (L): ≥175; Tank equipped with liquid level display device, filling port, and draining port;
30. Control system: Features monitoring functions for speed, water temperature, etc.; LCD screen size ≥3.5 inches, control panel equipped with emergency stop switch, alarm buzzer, speed regulator, etc., features fault alarms, automatic shutdown, etc., effectively protecting engine safety and lifespan; controller box adopts wind and rain proof structural design;
31. Pump body treated with three layers of epoxy resin paint, using automotive painting process, more reliably enhancing anti-rust performance;
32. Inlet pipe: DN150, length 6 meters/piece × 3 pieces, negative pressure resistant 1.0MPa non-deforming reinforced plastic hose;
33. Outlet pipe: DN150, length 20 meters/roll × 2 rolls, pressure resistant 0.6MPa, uses coiled drainage hose;
34. Quick connector set: Equipped with 5 sets of DN150 Bauer couplings, perfect sealing performance;
35. Filter net: Equipped with 3 DN150 filter nets, ensuring passed particulates do not exceed the pump's passable particle diameter;
36. Clamps: Equipped with 8 DN150 clamps, tightening pipes to prevent leakage;
37. ▲Provide 3D assembly drawings of the whole vehicle, pump body assembly production structural drawings, and physical photos;
"▲" indicators are critical parameters; third-party testing reports issued by qualified institutions must be provided in the bid documents as proof materials according to parameter requirements; failure to provide will result in negative deviation treatment;
