Water pre-filter PFP series

basketpressurefor pump

The PFP series of prefilters with extractable basket, are entirely made of AISI 304 or AISI 316 stainless steel; in both cases the inside baskets, with a standardØ 6 mm. perforation (different perforations on request), are made of AISI 316. The PFP250…AP models can work at working pressures up to 8 ATE, while all the other models can work at working pressure of 3 ATE max. With the PFP…TF models, the untreated water plunges into the filtering basket from above, while the untreated water flows directly into the filtering basket in all the other models. The inlet and outlet connections have UNI-ISO 228/1 threading or UNI 6090-67 Pn16 free flanges. Two couplings are welded onto the upper hatch and on the lower convex bottom for air inlet and venting and to empty the prefilter. The top hatch is closed by a CLAMP with lever and a double adjusting clamp for all the other models; the prefilters can be supplied with a series of clamps for closure on request. In both cases the closure is extremely simple and reliable. All the filters are pickled and passivated by immersion in special tanks after the manufacturing process. The prefilters can be painted internally with enamel paint for foodstuff containers and electro-polished externally and/or internally, on request. Use The prefilters with extractable basket in the PFP series, are installed upstream from the motor driven pumps, to prevent foreign objects from obstructing and damaging the impellers. They are used for civil and industrial applications, in pumping systems for swimming pools, lakes, rivers, etc.. and in the nautical sector they are applied upstream from the bilge pumps and pumps for engine cooling systems..