"Designed with the user in mind, the swing bolt and hinged lid or Davit arm assembly enables cartridge changeout to be achieved with no loose parts, heavy lifting or tools required. Manufactured with lids weighing up to 60 kg, these heavy-duty housings ensure all health and safety angles are covered by this Premier housing feature, whilst also providing reduced labour operation for engineers carrying out cartridge changeouts. Extensive stock holding, along with complete technical back up, ensures confidence in finding the correct housing for each application. All housings come complete with a universal plate which is capable of accepting both DOE and 222 fittings. The Premier range benefits operators with a swing bolts and hinged lid configuration which keep the head secured to the vessel during cartridge changeout. Additional drain ports also assist cartridge changeout allowing for complete emptying of the housing, while the supplied pressure gauges provide accurate differential pressure readings for filter monitoring. The 7 round housings accept seven cartridges in 30"" or 40"" with 2"" BSPM inlet and outlet connections with the 40"" being the first in the range to be available with 3"" flanged connection."