U型槽模具通常包含大型和小型、梯形、、蝶形、浅碟形等不同的样式，像是大型的排水沟钢模具就是使用3个厚以上的钢板加工定制，而小型的浅碟形排水沟模具一般都是用塑料颗粒注塑加工而成，而且这种大型的流水槽模具除了农田灌溉使用，在公路、排水、铁路、高铁等多个工程领域都有身影，但是东北地区使用较多。大型U型槽模具常用的材质也是比较厚的，通常在5个以上的面板，采用厚度高的面板就是为了保证模具使用过程中不变形。

U type groove die usually contains large and small, trapezoidal, butterfly, saucer etc. different styles, such as large drainage ditch steel mould is the use of 3 thick plate above the custom processing, and a small drain shallow dish shaped mould is commonly used injection molded plastic particles, and the large water tank mold in addition to irrigation use, can be found in roads, drainage, railway, high-speed rail and other engineering areas, but more in Northeast china. The material of large U groove mold is also very thick. Usually, over 5 or more panels are used with high thickness to ensure that the die is not deformed during its use.