Spring arrives quietly, and temperatures gradually rise—across most regions of China, ambient temperatures now commonly exceed 20°C. In southern areas, residents have already switched to short-sleeved T-shirts and light clothing. As temperatures climb, urban asphalt pavements face intense heat exposure. This is when water-sprinkling trucks step in to cool down the roads. To ensure uniform water distribution during operation, sprinkler trucks must maintain a controlled speed: too fast, and some sections remain uncleaned; too slow, and excessive water accumulates on the road surface, leading to wastage. So, what is the optimal operating speed for a sprinkler truck—and what standards govern this setting? Let’s find out: According to regulations issued by relevant authorities, sprinkler trucks operating within urban areas must not exceed 30 km/h, with an ideal steady-state speed maintained between 12–15 km/h. The rationale behind these specifications includes the following three key points: First, the water pump requires the transmission to operate at high RPM but low torque to sustain adequate spray pressure—thus, vehicle speed must remain moderate. Second, high spray density is essential: to achieve a minimum surface wetting rate of 75%, operational speed must not exceed 30 km/h. Third, pedestrian safety must be prioritized. High-pressure water jets could pose risks to passersby and roadside greenery, potentially causing personal injury or property damage—hence, speed must stay within a safe range. During hot weather, sprinkler trucks play an indispensable role in urban cooling—serving as one of the most essential tools for temperature mitigation. With comprehensive planning and strict adherence to operational speed limits, these vehicles reliably deliver vital services, enhancing everyday convenience. For more information on sprinkler truck components, special-purpose vehicle parts, vehicle images, technical specifications, and industry news, please visit Chengli Special Vehicle’s official website: https://www.clspecial.com/ to purchase specialized vehicles. For after-sales support inquiries, contact our 24-hour service hotline: Zhang Manager: +86 150 7165 3332 Yan Manager: +86 187 7136 8109 We are committed to delivering professional, responsive after-sales service across the special-purpose vehicle industry—resolving all challenges you may encounter before, during, and after your vehicle purchase.