Equipped with precision laser-cut 0.25mm uniform slots, this water cap balances high water permeability and effective filter material retention, preventing loss of quartz sand, activated carbon, and other filter media larger than 0.5mm. The short-handle design reduces the overall height of the filter tank, cutting down infrastructure construction costs by 15% compared to long-handle models. Its 304 stainless steel body undergoes passivation treatment, achieving a surface finish of Ra1.6, which significantly reduces scaling and sediment accumulation, extending service life to over 5 years. The threaded connection allows tool-free quick installation, improving on-site assembly efficiency by 30%. Its optimized water flow guide structure ensures radial uniform water distribution during backwashing, reducing water consumption by 20% while enhancing filter bed cleaning efficiency. The one-piece forging process eliminates welding seams, completely avoiding leakage risks caused by weld corrosion.
Made of food-grade 304 stainless steel compliant with GB/T 3280-2015 international standards, the water cap has an overall height of 110mm, handle diameter of 20mm, and head diameter of 50mm. The slot width is strictly controlled within ±0.02mm to ensure consistent water flow across all units. At 0.3MPa working pressure, the rated water flow rate reaches 1.8 m³/h per cap. It is compatible with filter plates of 20-30mm thickness, with a standard M20×1.5 threaded interface for secure installation. The product can withstand short-term high temperatures up to 150℃ and has a burst pressure of ≥1.2MPa, far exceeding the maximum working pressure requirement. The surface is treated with electrolytic polishing and passivation, resulting in a surface hardness of HV200-HV220, which improves wear resistance. Each unit weighs approximately 180g, ensuring stable placement without shifting during backwashing.
This product is widely used in civil water supply pretreatment systems such as residential water purifiers, office building central water purification stations, and school drinking water projects, effectively removing sediment, suspended solids, and large particle impurities from tap water. It is also suitable for industrial cooling water circulation systems, helping maintain clean cooling water quality and reducing heat exchanger scaling risks. In small-scale domestic sewage treatment facilities, it supports the stable operation of quartz sand and activated carbon filter tanks, improving effluent clarity. Additionally, it can be applied in aquaculture water treatment systems to filter feed residues and biological debris, creating a healthy water environment for aquatic organisms. Its compact design makes it an ideal choice for mobile water treatment equipment and modular filtration units with limited installation space.
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