SP2000/V20 - 3 Pages

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Catalogue excerpts

Embracing Challenge Prefilters for Gas Sample Probes Series SP® Version SP2000/V20.. with G 3/4”-connection, SP2000/V12 with flange connection, Version SP2000/20SS 150 with tube connection Prefilters for series SP® Special Features For dust loading up to 2g/m3 P oint selective sampling Application The M&C-prefilters are used together with M&C gas sample probes series SP® for continuous gas sampling in processes with increased dust loading. Depending on fabrication, the prefilters /V20.., /V12.. are partially made of different material combinations. See table. For reduction of the delay time in case of a small sample gas flow, prefilters with volume displacer have to be used. The M&C tube prefilter /V20-T of PTFE cloth with interweaved metal filaments for reduction of the surface resistance (in order to avoid frictional electricity) disposes over an excellent back purging quality. It is used for example in case of gas ­ ampling out of coal s bunkers with a high content of superfine dust. Sampling after wet scrubber up to 90 °C Sampling temperature up to max. Different lengths Great variety of materials Easy mounting The large active surface of the M&C prefilter guaranties a long moulding time. Even in case the flow rate of the sample gas is increased, there is only a small ­ ifference pressure on the d filter matrix between clean gas and crude gas side. Therefore, the solid particles do not get into the filter’s pore structure. They are deposited as filter cake on the filter’s surface and cause a prolonged moulding time in its property as prefilter. The M&C-prefilters SP2000 / V20.. /V12.. /20SS are selected according to the specific application. The basis for selection are the ­ rocess parameters, i.e. the gas p compounds, dust loading, grain sizes, water v ­ apure saturation, temperature, pressure and gas velocity. The M&C prefilters /V20.. are equipped with a welded thread connector for m ­ ountage into the mounting flange of the M&C gas sample probe. For an optimal sampling position in the process, the prefilters /V20.. can be mounted to the sample probe via an extension tube /Vm... In case of a high velocity of the process gas, shape protection plates /AB.. are used in order to protect the prefilters /V20.. against abrasion. The prefilter /20SS 150 is used for direct mounting on the M&C sample tubes SP2000/ SS. It is supplied with a shape protection plate and a tube fitting with double cutting ring. If there are problems eg. in case the depth for assembling is too small or the flow velocity is too high, or the dust content or the temperature are too high, then the electrical heated adapter tube /AR should be used. It is equipped with a flange connection at both sides and is to be mounted on the plant’s connection flange. The prefilters /V12-... have got a mounting flange adapter of stainless steel, e ­ xecuted with 4 threaded bolts for easy mounting. The prefilter versions /V12-.. /SS, /V12-.. /IC are equipped with a welded protection tube of stainless steel or Incoloy on the mounting flange adaptor. The feeding of process gas is made via the three longitudinal slots distributed on 180° tube periphery. The special double-ply construction of the prefilter /V12-1, /V12-3 is granting a particularly high back purging efficiency. Technical specifications and illustrations are without obligation, subject to modifications. 09.96/03.09 M&C TechGroup Germany GmbH • Rehhecke 79 • 40885 Ratingen • Germany info@mc-techgroup.com • www.mc-techgroup.com • Fon +49 2102 935-0 • Fax +49 2102 935-111

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DImensions Extension tube SP2000/Vm... Prefilter SP2000/V20 -0-1-2-3-4-5-6 with welded thread connection L1 Shape protection plate SP2000/AB.. L1 Prefilter SP2000/V12... with mounting flange adaptor Vorfilter SP2000/V20 -0-1-2-3-4-5-6 mit angeschweißtem Gewindeanschluss L1 Tube prefilter SP2000/V20-T including support tube with thread connection L1 Heated adaptor tube SP2000-H/AR L1 C Prefilter SP2000/20SS 150 with tube fitting and shape protection plate Material Filter / Connection stainl. steel 316/316Ti stainl. steel 316/316Ti stainl. steel 316/316Ti Hastelloy-C Hastelloy-C PTFE / stainl. steel...

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Options Type Shape protection plates for /V20(/HC), /V20-0(/HC), /V20-5: SP2000/AB-SS Electrically heated adaptor tube for reception of /V12-1 SP2000-H/AR-500-R 230V Heated sampling tubes SP30, SP35 in case of decrease under dew point on process side, see data sheet 2-1.9.5. Automatice back purging, other materials or executions on request. Further technical information see sample probes SP 210/2100/2000. * Others on request Technical specifications and illustrations are without obligation, subject to modifications. 09.96/03.09 M&C TechGroup Germany GmbH • Rehhecke 79 • 40885 Ratingen • Germany...

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