Stroh Irrigation 3313 Collins Avenue , Evans , Colorado 80620 USA About Solutions products Publications videos Downloads Companies Stroh Irrigation Products Gates Gates 0 Share Our gates are easy to install and come in two sizes - 1.5' (0-30 gpm) and 2.5' (0-50 gpm). Typically gates will last 4 to 6 years before needing replacement. Downloads related to this product Gates- Brochure Customer reviews No reviews were found for Gates. Be the first to review! Add your review Publish your review Great! review successfully added!