This water cap stands out with its 150mm long stem design, which penetrates deep into the filter material layer to avoid surface short-circuit flow, solving the problem of uneven water distribution common in short-stem water caps in large-scale filtration tanks. Its high opening rate of 35% ensures large flow throughput, reducing system resistance and energy consumption. Constructed from 201 stainless steel, it offers sufficient corrosion resistance for municipal wastewater and general industrial wastewater environments, balancing cost and performance. The insertion-type installation with glue seal simplifies on-site assembly, reducing installation time by 50% compared to threaded models. Additionally, its sturdy structure withstands the impact of filter material backwashing, reducing breakage rates and maintenance costs.
The water cap features a 150mm-long stem with a diameter of 12mm, made from 1.2mm-thick 201 stainless steel. The head diameter is 45mm, with a total height of 200mm. The filtration area reaches 12 cm², and the opening rate is 35%, allowing a maximum flow rate of 35L per minute. It can withstand a maximum compressive strength of 2.5MPa, adapting to the pressure changes during backwashing operations. The temperature resistance range is 0°C to 100°C, suitable for normal temperature wastewater treatment environments. The installation method is insertion-type, with a 10mm insertion depth, requiring glue seal for secure fixation. The total weight of the water cap is approximately 100g, with a smooth surface to prevent filter material adhesion during backwashing.
This long stem water cap is widely used in municipal wastewater treatment plants, serving as a water distribution/collection component in rapid sand filters, activated carbon filters, and sedimentation tanks. It is also applicable to industrial wastewater treatment systems in printing and dyeing, chemical, and papermaking industries, where large-flow filtration is required. In deep filter material layers, its extended stem ensures uniform water distribution from the bottom of the filter tank, eliminating dead zones and improving the utilization rate of filter materials. During backwashing operations, its sturdy structure withstands the impact of filter material expansion, reducing breakage and replacement frequency. Its cost-effective design makes it an ideal choice for large-scale wastewater treatment projects with limited budgets.
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