PTFE-Membrane Housings

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Sealing Options and other Accessories Sealing Options Filter housings are mostly fitted with Viton o-ring style seals as standard. We have a number of sealing options that can be specified and the housings delivered with the seals installed. For alternative seals a suffix is added to the filter housing part number, for example if you require a SS127.221 filter housing with an EPDM seal add .E to give SS127.221.E - if a standard seal is required do not add the suffix Refer to the filter housing data sheets for information about the seals types available for each housing. Please consult us for any special requirements. Types of Seals Suffix Name Type Temp. Range .V Viton Flourocarbon - 15oC to +200 oC .C Chemraz Perfluorelastomer - 18oC to +324oC .T <strong>PTFE</strong> FEP Encapsulated - 60oC to +200 oC .K Kalrez Perfluorelastomer - 50oC to +316oC .S Silicone Silicone - 60oC to +230oC .R Neoprene Chloroprene-Neoprene - 45oC to +100oC .E EPDM Ethylene-propylene - 55oC to +150oC .N Nitrile Buna N-Nitrile - 35oC to +110oC Mounting Brackets Mounting brackets can be supplied for all filter housings making the installation process quicker and easier. All our mounting brackets are supplied with screws and washers to join them to the housing so only fixings for the panel or wall are required. Use of a mounting bracket will avoid excessive loads on the fittings and piping. All mounting brackets are constructed in stainless steel giving superior corrosion resistance is wet areas. Support Cores When using disposable filter elements in a liquid application a support core should be used to increase the strength of the filter elements. Plastic and aluminium housings have a built in support, but stainless steel housings will need to use the optional extra support. The SC series support cores are constructed from 316L stainless steel. CF/2.0/019
Selecting the Correct Filter Housing How to select the Correct Filter Housing - The wide range of filter housing and element combinations enable us to supply the most suitable equipment for your application and specifications. To select the correct filter housing and element the following information about the application is required - 1 Maximum pressure 2 Maximum temperature 3 Chemical & physical composition of the sample 4 Type of duty - inlet, particulate, coalescing, bypass, membrane 5 Contaminant to be removed 6 Maximum flow rate 7 Line size and port type 8 Level of filtration required 9 Relative importance of cost, response time, service life and interval Items 1, 2 and 3 will determine the materials of construction of the filter housing, including the element and gaskets. Filter housings are available in a wide variety of materials to ensure there is a product for even the most specialised applications. As well as our range of standard materials a wide range of exotic materials are also available. Item 4 will determine the configuration of the housing, one port for inlet filters, two ports for in-Iine housings and three ports for coalescing, bypass or fast loop housings. Items 5, 6, 7, 8 and 9 will establish the most appropriate size of filter. This is generally a compromise between those factors favouring a small filter (fast response time, smallest space requirement, lowest cost, minimised adsorption losses) and those factors favouring a large filter (long service intervals, low pressure drop). The exact choice will therefore depend on the relative importance of these factors in each particular application. Additional Assistance Our representatives have a vast experience of specifying successful installations and we will be pleased to help you select the best solution for your filtration problem. We also have an Applications Form available for you to complete and return and this will ensure we have all the information required to make a selection for your individual application. Service Intervals A disposable microfibre filter element continues to filter at its original efficiency as long as it is kept in service. The life of the element is determined by the increase in flow resistance caused by trapped solids. The element should be changed when the flow falls below an acceptable level, or the pressure drop becomes too high. In any case the element should be replaced before the pressure drop across it reaches 0.7 Bar. The disposable microfibre filter elements cannot be cleaned as the solids are trapped within the depth of the element not on the surface. Installing the Filter Housing Given that filter housing is a pressure vessel, any connections and accessory outlets must be leak-tight. Therefore, a good pipe sealant (<strong>PTFE</strong> tape, paste etc.) should be used on all fittings prior to connecting the filter housing ports. This will also allow for disassembly at a later time, if required. Wherever possible, installation of filter housings should be made using an appropriate mounting bracket to avoid excessive loads on the piping. Full installation instructions are included with each filter housing. CF/2.0/020
Page 1 and 2: We offer every industry standard si
Page 3 and 4: Contents: 2 Stainless Steel Filter
Page 5 and 6: Housing Advantages Why Classic Filt
Page 7 and 8: Fast Loop Filters Fast loop filters
Page 9 and 10: PTFE-Membrane Housing Options Liqui
Page 11 and 12: Catchpot & Bubbler Applications Cat
Page 13 and 14: Automatic Float Drains To remove li
Page 15 and 16: Heatable Housings These housings ar
Page 17: Differential Pressure Indicators Th
Page 21 and 22: Filter Elements Disposable Grades &
Page 23 and 24: Filter Elements PTFE & PE PTFE Filt
Page 25 and 26: Air Flow Rates Stainless Steel Filt
Page 27 and 28: Liquid Flow Rates Stainless Steel F
Page 29 and 30: Flow Rates PTFE Membranes Gas and L
Page 31 and 32: DIA Disposable In-Line Adsorbers Ma
Page 33 and 34: SH017 SP76 Modular Filter Housing M
Page 35 and 36: SG111 & SS112 Filter Housing Materi
Page 37 and 38: SV117 SS127 Inverted Filter Housing
Page 41 and 42: SV127 SS127 Inverted Coalescing Fil
Page 45 and 46: SiS215 Filter Housing with DPI Mate
Page 47 and 48: SS216 Filter Housing Materials 316L
Page 55 and 56: SiS235 Filter Housing with DPI Mate
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SG421 Filter Housing Materials 316L
Page 71 and 72:
SS425 & SHS425 Filter Housing Mater
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Page 79 and 80:
HRT Series Heatable Filter Housing
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HRS Series Heatable Filter Housing
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SL Series In-Line Filter Housing Ma
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SO SS127 Series End of Line Filter
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DF105 SS127 Automatic Filter Float
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DG121 & DS122 SS127 Filter Drain Ho
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DS215 SS127 Filter Drain Housing Ve
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DS235 SS127 Filter Drain Housing Ve
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SM015 SP76 Modular Membrane Housing
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SM106 Membrane Housing Materials 31
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SMD206 Membrane Housing Materials 3
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SML304 Membrane Housing Materials 3
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SM115 Filter & Membrane Housing Mat
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SM215 Filter & Membrane Housing Mat
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SW205 SS127 'Cyclone' Disc Filter H
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AA113 Filter Housing Materials Alum
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AiN212 Filter Housing with DPI Mate
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AiA213 Filter Housing with DPI Mate
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AN232 Filter Housing Materials Alum
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AE Series End of Line Filter Housin
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FF111 PTFE Filter Housing Materials
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FG121 PTFE Filter Housing Materials
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FG211 PTFE Filter Housing Materials
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NN112 Polyamide Filter Housing Mate
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NL121 Polyamide Filter Housing Mate
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NT Series Twin Polyamide Filter Hou
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NN212 Polyamide Filter Housing Mate
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PP111 PP Filter Housing Materials P
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PP211 PP Filter Housing Materials P
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KK121 PVDF Filter Housing Materials
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KK231 PVDF Filter Housing Materials
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PTFE-Membrane Housings

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