BAF attempts to prevent type-specific filter head Products; BAF dedicated backwash filter head is made of ABS plastic, composed of four parts by a filter cap, filter rod, embedded sleeves, anti-clogging filter caps, biological aerated filter Private pool backwash filter head total length of 355mm filter head, filter backwash water than the average head length is longer, the filter plate reinforced concrete manufacturing, both of which need to be applied with the biofilter. BAF attempts to prevent type-specific technical requirements ⑴ filter head BAF special attempts to prevent type filter head biofilter skillet filter head with a filter from the filter rod cap, embedded casing and attempts to prevent the filter cap composition, embedded casing embedded in the concrete filter plate, and with an internal thread, filter plate thickness 100mm. (2) filter head, filter tubes and embedded casing properties are in line with the provisions of the "drinking water than the water distribution equipment and protective materials, safety evaluation criteria of" GB / T 17219 of. (3) high pressure filter head promise, step touch is not broken, reliable connection, after installation should ensure that the filter head does not fall off. (4) between the filter head and filter plate should be no dead zones, without clogging the plot mud. (5) skillet filter head quality standards; filter head gap should be no defects, burrs and burrs, filter head surface should be smooth, no impurities, no cracks skillet filter head price, no bubbles, uniform surface color, James shiny surface, the product without flexing phenomenon, no shrinkage waterworks filter head, no lack of material phenomenon. According to the specifications, not more than ± 0.1mm. (6) a tensile strength of filter head 35 ~ 45Mpa, the impact strength of 9 ~ 30KJ / m2, 98 to 108 Shore hardness. (7) pure gas backwash, head loss and gas water backwash filter head, while the head of the filter head loss should meet the design requirements. Filter head, filter cap, skillet filter head, filter cap structure skillet; filter head, filter cap, skillet filter head, skillet filter cap is simple, reliable technology, small head loss, low energy consumption, no dead zones, clogging clogged with mud, to facilitate the construction management, the traditional filter backwash water is only 1/2 to 1/3, but when the backwash air first enters the filter plate bottom water distribution and the formation of air layer, when the cushion layer gradually thickened to the lower part of the air intake filter handle the intake and elongated slit, a lot of air to enter the filter handle and flush out cut filter particles from the surface of the gap filter head contaminant mass in the upper layer of the filter, water At the same time the flushing gas filter micro-expansion, proper scrub. Since the filter head strengthening thread in the filter head structure, the addition of rubber gaskets, connections are secure, not falling, design bottom seam of the water, the addition of anti-clogging filter characteristics of protective measures to solve the entire filter flushing uneven. Filter head, filter cap, skillet filter head, filter cap advantage skillet; rinse uneven filter will have the following consequences: ① wash small part of the regional strength. Since the cut-off filter runtime portion suspended particles, colloidal particles by adsorption part bioflocculation, while microbial metabolic process of aging biofilm after shedding will also trapped in the bio-filler. The presence of these impurities can significantly increase the bio-filter filtration resistance; but also the efficiency of the mass transfer of dissolved oxygen and biological aqueous body easily degradable organic matter and microbial biofilm drop between; biofilter to remove the influence of organic matter efficiency. ② high-intensity wash area, since the flow rate is too large, it will impulses supporting layer, causing mixed biological filter and the support layer, and even cause the loss of biological filter media, and sometimes cause loose gas distribution system of aeration biofilter cause great harm and other issues. Meishan filter head _ _ Song Song Xin Xin Plates filter head filter filter head filter cap (certified merchants) are provided by Gongyi City Song Xin Industrial Co., Ltd. filter. Filter Gongyi City Song Xin Industrial Co., Ltd. (www.sxlc.com) is specialized in "manganese sand filter, honeycomb inclined tube, filter head, filter cap, activated alumina, activated carbon," the business, companies adhering to the "integrity management, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr. Han.