Process Gas & Analyser Filter Housings These filters can be used in high pressure applications up to 100 bar Easy maintenance no tools required The new 129, 170 and 137G-3 Models allow permanent pipe work (inlet, outlet and drain) and easy maintenance. The filter bowl can be removed by hand, without un-doing any pipe work, as the drain is in the head. This is achieved by installing the filter housing with the bowl up. A compact and effective design for analyser protection. This housing can also be supplied in a four-port option with a 1/4” NPT port in the top of the bowl. The 170 housing is available with a long bowl and longer element. (22-64). Principal Specifications Housing Model The 129 housings are also available with a PTFE seal, which requires a modified sealing design: simply add an ‘S’ to the housing code eg: 129S. Head, Bowl & Internals Mounting Brackets Filter Element Codes (2) Disposable Element Stainless Steel Element PTFE Element Notes (1) Material abbreviations, 316L = 316L Stainless steel, Pyrex = Borosilicate glass (2) Replace ‘xx’ with grade required, e.g. 12-57-50C, 22-35-50C