List of Contents 7 Operation ............. 16 List of Contents ............ 2 7.1 Initial commissioning ........16 Relevant documents ..........2 7.2 Improper operation and their consequences .. 16 1 Technical data ..........3 7.3 Shutdown ............16 1.1 Overview of sizes ..........4 7.3.1 Additional advice for shut-off and control butterfly valve with actuator ..........
Series NKS-C, NKSP-C, NKL-C, NKLP-C Page 5 Order example NKS-CTLL80−GSHC Order example NKS-C − Series NKSP-C Body lining Disc/stem unit Valve size − Flange connection Body material Flexible inlay Actuation Type plate Name plate, CE and body markings The stainless steel name plate is undetachably rivet- Sign for transport securing device for actuator ed to the body.
Series NKS-C, NKSP-C, NKL-C, NKLP-C Page 6 Pipe screws flanges ISO/DIN drilled to ASME Class Tightening torques Standard threaded hole All screws greased, tighten in diametrically opposite Flange nom. Tightening Screws sequence! size torque After the plant has been started up (especially with [mm] [inch] [ASME]...
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Series NKS-C, NKSP-C, NKL-C, NKLP-C Page 7 Pipe screws flanges ISO/DIN drilled to ASME Class Body screws 150, through hole Available screw sizes for butterfly valves with ductile NKS-C+NKSP-C from size DN 350 (14") upwards with iron, carbon steel & stainless steel bodies lug-style body and through hole stainless tightening...
Series NKS-C, NKSP-C, NKL-C, NKLP-C Page 8 Dimensions - Installation Nom. size Connection [mm] [inch] [mm] [mm] [mm] 2“ 2½“ 3“ 4“ 5" 6“ 8“ 10“ 12“ 14“ 16“ 18" 20" 24" 28" 30" 32" 36" 1000 40" 1050 42" 1010 See also Section 6.4, paragraph 1 Face to face to DIN EN 558-1, series 20 (ISO 5752, series 20) without DN 350...
Series NKS-C, NKSP-C, NKL-C, NKLP-C Page 11 Notes on safety This operating manual contains fundamental information Shut-off and control butterfly valves with a stainless steel which is to be observed during installation, operation and disc/stem unit are suitable for less aggressive media, are maintenance.
Series NKS-C, NKSP-C, NKL-C, NKLP-C Page 12 Safety notes for applications in potentially explosive areas based on the Directive 2014/34/EU (ATEX) The valves are intended for use in a potentially explosive This means that, to safely prevent ignitions, the valve area and are therefore subject to the conformity must be completely filled with medium at all times or assessment procedure of the directive 2014/34/EU (ATEX).
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Series NKS-C, NKSP-C, NKL-C, NKLP-C Page 13 ➢ Plastic-lined valves must not be operated with carbon disulphide. 9520-022-en Revision 16 TM 10477 Edition 05/2022...
Series NKS-C, NKSP-C, NKL-C, NKLP-C Page 14 Safety note for valves, certified to Clean Air Act (TA-Luft) On request, this valve can be supplied compliant with the In particular, servicing must be conducted at regular inter- German Clean Air Code. vals, and the bolted connections relevant for tightness must be inspected and retightened if necessary.
Prior to the disposal of the valve: Disposal ▪ Collect any medium, etc. which has escaped and dis- Parts of the valve may be contaminated with medium pose of it in accordance with the local regulations. which is detrimental to health and the environment and ▪...
Operation Initial commissioning Shutdown Normally, the valves have been tested for leaks with air or Before loosening the flange bolts: water. Prior to initial operation check body bolting. For ensure plant to be free of pressure torques see Section 1.4. flush out medium Unless otherwise agreed, there could be residu- observe safety regulations...
Malfunctions Flange connection ball valve/pipe is leaking Medium leaking at the partition between lower and upper halves Retighten the flange screws to a tightening torque ac- cording to Section 1.3. If this does not remedy the Dismont valve and repair, probably the stem seal is not tight.
The bracket and the coupling are thereby not required. 9.2.3 Remotely actuated Richter butterfly valves can be remotely actuated by means of pneumatic, hydraulic or electric quarter-turn actuators equipped with a connection as per DIN EN ISO 5211.
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ChemValve-Schmid AG Duennernstrasse 540 CH-4716 Welschenrohr www.chemvalve-schmid.com Konformitätserklärung nach EN ISO//IEC 17050 Declaration of Conformity according to EN ISO//IEC 17050 Produkt PTFE-Absperrklappe Product PTFE Lined Butterfly Valve Bauart Absperr- und Regelklappe Design Shut-off and control butterfly valve Baureihe NKL-C…, NKS-C… Serie Nennweite DN 50 bis DN 1000,...
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Waste Management Law (AbfG) and the Water Resources Act (WHG) An inspection/repair of Richter products and parts will only take place, if the attached explanation is filled out cor- rectly and completely by authorized and qualified technical personnel and is available.
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Safety Information / Declaration of No Objection Concerning the Contamination of Richter-Pumps, -Valves and Components SCOPE AND PURPOSE Each entrepreneur (operator) carries the responsibility for the health and safety of his employees. This extends also to the personnel, who implements repairs with the operator or with the contractor.
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for credit note Phone : Fax : End user : A. Details of Richter-product: Failure description: Classification: Article number: Serial number: B. Condition of the Richter- product: Contamination : Was it in operation ? toxic ...
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