Vega VEGADIF 65 Chemical seal CSS Manuel d'utilisateur

Operating instructionsChemical seal CSSfor VEGADIF 65Document ID:36134Differential pressure

4.3 Instructions for installationl Suitable seals must be selected for sealingl For flange mounting, use a seal with a sufficiently large innerdiameter a

5 Maintenance and fault rectification5.1 MaintenanceIf the instrument is used properly, no special maintenance is requiredin normal operation.In some a

6 Supplement6.1 Technical dataMaterialsDIN/EN flanges are delivered in stainless steel 316L versions (material number 1.4435 or 1.4404).Diaphragm 316L,

6.2 Dimensions+–7/16-20 UNF1/4-18 NPT41,3 mm(1.69")L100 mm(1.97")103,7 mm(1.97")Fig. 3: Process fittingwith chemical seal one-sided. Dim

EN/DIN flanges, dimensions according to EN 1092-1/DIN 2501Dg2d3gk0,06 in1,6 mmbhLHgdMFig. 4: Process fitting VEGADIF 65 withsingle-sided chemical seal,

ANSI flanges, dimensions according to B16.5, seal ledge RFdMDg2d3gk0,06 in1,6 mmbhLHgFig. 5: Process fitting VEGADIF 65 withsingle-sided chemical seal,

16 Chemicalseal CSS • for VEGADIF 656 Supplement36134-EN-110926

Chemicalseal CSS • for VEGADIF 65 176 Supplement36134-EN-110926

18 Chemicalseal CSS • for VEGADIF 656 Supplement36134-EN-110926

Chemicalseal CSS • for VEGADIF 65 196 Supplement36134-EN-110926

Contents1 For your safety1.1 Authorised personnel . . . . . . . . . . . . . . . . . . . . . . . .31.2 Appropriate use . . . . . . . . . . . . . . . .

VEGA Grieshaber KGAm Hohenstein 11377761 SchiltachGermanyPhone +49 7836 50-0Fax +49 7836 50-201E-mail: [email protected] date:ISO 9

1 For your safety1.1 Authorised personnelAll operations described in this operating instructions manual must becarried out only by trained specialist

2 Product description2.1 StructureThe scope of delivery encompasses:l VEGADIF 65l Chemical seal CSS mounted on VEGADIF 65l Documentation- this operati

3 Planning instructions for isolating systems3.1 Influence of the componentsThe following properties of the separating diaphragm determine theapplicati

The implemented filling oil also influences the TKzero point, thepermissible ambient temperature and the response time of a chemicalseal. See also chapt

ΔTProcess temperature-Reference temperature chemical seal= 100 °C - 20 °C = 80 KTKCapillaries= 0.3 mbar/(10K•1 m)ΔT Ambient temperature-Reference temp

4 Mounting4.1 Application conditionsBefore mounting, setup and operation, take note that the pressuretransmitter as well as the isolating system were

+ –1243Fig. 2: Recommendedvessel insulation with chemical seal without cooling area(length 100 mm)1 Vessel wall2 Vessel insulation3 VEGADIF 654 Chemic