PVDF Filter Housing Materials PVDF Pressure 7 Bar Ports 1/4” or 1/2” Element 25.178.□ KK231 series filter housings are constructed entirely from PVDF. They are supplied with 1/4" or 1/2" ports and have a range of drain options. These housings are specified where a good chemical resistance is required. Standard housings have NPT ports and a Viton seal. Other seal types are available as an option. BSPT and BSPP port types are also available. Technical Specifications Housing Model Head, Bowl & Internals Port Size Drain Maximum Pressure, Bar Maximum Temperature, oC Materials of Construction (1) Filter Element Code (3) Adsorber Cartridge Code (4) Principal Dimensions in mm Diameter Accessories Mounting Bracket Notes (1) Material abbreviations, PVDF = Polyvinylidene diflouride (2) Add suffix for other seal types, PTFE = .T, Chemraz = .C, Nitrile = N, Kalrez = .K, EPDM = .E, Silicone = .S, (e.g. KK231.221.T) (3) Replace the (4) Replace the □ with the grade required, e.g. 25.178.5CK, 25.178.T20 □ with the type require

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