... , water separator, oil separator, multi-way valve, tanker, discharging valve, sewer view window, vacuum pressure gauge, pipelines, hydraulic system, etc. The ... truck also equips with one 5m length hose, with hand cleaning small water tanker. 3. the main advantages and the product ... and discharging all kinds liquid or half liquid, such as sewer, septic pool, swill, slops, feces and 8mm stone).