無錫弧形鋼制閘門的特點 重量輕：約為鑄鐵閘門的1/3重量； 耐腐蝕：耐酸堿及大部分腐蝕性化學品及污水、海水； 密封性好：采用橡膠對金屬密封，止水膠圈為空心結構，密封性能好； 力矩小：由于門板重量輕，門板與導軌之間的摩擦阻力小，故使得手輪操作力矩不大于100N； 獨特結構：采用可靠的溫度和剛度的焊接結構，高性能的密封件保證閘門的有效啟閉，獨特的密封和楔塊設計使得閘門啟閉更加苛刻，并能受較大反向水位。 壽命長：由于門板與導軌之間只有到后一小段密封時接觸，密封面磨損非常小，不銹鋼閘門壽命長達15年以上，碳鋼閘門使用壽命10年以上； 維修方便：楔形塊可做調整，經多年使用后，如出現局面滲漏現象，只需調整楔形塊增加止水膠圈壓縮量即可，省時省力，維修成本低。弧形鋼制閘門優點和缺點: 一、優點: 1)依據工程需要，可封閉相當大的孔口尺寸； 2)閘墩的厚度較小； 3)沒有影響水流流態的門槽，泥沙多時工作狀態好； 4)啟閉力較小； 5)埋設件數量較少等。 二、缺點 1)需要較K的閘墩； 2)閘門所占的空間位置較大； 3)工作閘門不能提出孔口以外進行檢修維護，也不能在孔口間進行互換性，對土建結構要求較高。Steel gate features light weight: about 1/3 of the weight of cast iron gate; corrosion resistance: acid and alkali resistance and most of the corrosive chemicals and sewage, seawater; good sealing: the use of rubber sealing metal, water sealing rubber ring for the hollow structure, sealing performance is good; torque is small: due to the light weight of the door plate, the friction between the door plate and the guide rail Small friction resistance makes the handwheel operating torque less than 100N; Unique structure: reliable temperature and stiffness of the welding structure, high-performance seals to ensure the effective opening and closing of the gate, unique sealing and wedge design makes the gate opening and closing more rigorous, and can withstand a larger reverse water level. Long service life: because the door plate and the guide rail only contact to a small section of sealing, sealing surface wear is very small, stainless steel gate life up to 15 years, carbon steel gate life over 10 years; easy maintenance: wedge block can be adjusted, after many years of use, if there is a situation of leakage, just adjust the wedge block increase The compression capacity of the watertight apron can save time and labor and maintain low cost. The advantages and disadvantages of curved steel gate are as follows: 1) According to the engineering requirements, it can be closed considerably large orifice size; 2) the thickness of pier is small; 3) the gate groove has no effect on the flow pattern, and the working condition is good when sediment is abundant; 4) the opening and closing force is small; 5) the number of embedded parts is small. 2. Disadvantage 1) The pier needs to be larger than K; 2) The gate occupies a larger space; 3) The working gate can not be put forward outside the orifice for maintenance, nor can it be interchangeable between orifices, higher requirements for civil structures.