Advices Descriptions which need careful attention are designated with the ad- vice symbol shown on the left side and are framed. Drawing and parts list Illustration 1: Leakage butterfly valve LSV07 with handle Table 1: Parts list Pos. Anzahl Beschreibung...
Furthermore, butterfly valve equipped with floating bearings are supe- rior concerning hygiene to other constructions in the area of shaft feedthrough. The M&S-leakage butterfly valve LSV07 is available in a DIN-finish and Inch- finish. The valves are fitted with seals of type SV04/Type98 respectively SV04/Type95.
Damages in transit, which are externally visible and/or missing packing units, are to be specified on the waybill of the forwarder immediately. The forwarder is to be claimed reli- able for recourse in writing immediately and M&S Armaturen GmbH is to be informed about the incident.
Leakage butterfly valve with handle HB04 Disassembly/Assembly • Disassembly/Assembly only in depressurized systems! Disassembly [see illustration 2] (a) Remove plastic plug (1+2). (b) Pull the hand lever (3) and disconnect the hex socket head cap screw (4), which is exposed then, by means of a hex wrench/Allen key of wrench size 4 (= width across flats).
Leakage butterfly valve with handle HB04 • On assembly it is absolutely necessary to pay attention to the in- stallation of the floating bearings (16)!! • On assembly of flap (17+21) and seal (18), pay attention not to spoil the axis boring of the seal. •...
On non-observance of these operating instructions or in case of constructional modifications of the leakage butterfly valves, the li- ability of M&S Armaturen GmbH in any kind is not applicable. • A different utilization or a use beyond it is considered as not con- ventional or intended.
Leakage butterfly valve with handle HB04 Disturbances, possible causes, remedies Disturbance Possible cause Remedy Leakages Floating bearings were not Assembly of floating bear- (against atmosphere) assembled ings Flap seal is damaged or Replace flap seal worn out Flap is deformed by pressure Replace flap hammers or thermal expan- sion of the medium...
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Leakage butterfly valve with handle HB04 Mixing ratio of detergent is Replace flap seal and O- overvalued rings Adjust mixing ratio Valve disc cannot be Soakings on the valve seal Check adequacy of the seal- switched/operated or can ing material only be operated difficult Replace valve seal Valve does not rest in the...
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