Chemical bellows-sealed globe control valve (30 pages)
Summary of Contents for Richter NKL Series
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INSTALLATION AND OPERATING MANUAL INSTALLATION AND OPERATING MANUAL INSTALLATION AND OPERATING MANUAL INSTALLATION AND OPERATING MANUAL Richter Shut-off and Control Butter- fly Valve Keep for future use ! Keep for future use ! Keep for future use ! Keep for future use !
Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP List of Contents General Maintenance Page 3 Page 11 Application Leak-proofness Type codes Screwed connections Cleaning Relevant documents Maintenance Safety Page 5 Notes for assembly Tests Notes on safety 2.1.1 For the customer/operator Malfunctions;...
Monitoring connection connection Proximity initiator Polished disc surfaces Application Richter shut-off and control butterfly valves are Shut-off and control butterfly valves with a plastic- pressure-maintaining components in accordance lined disc/stem unit are used for highly aggressive, with the German Pressure Equipment Directive corrosive media.
Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP If the medium contains solids, the manufacturer In case of the valve is intended for operating data must be consulted on whether the valve is suitable other than those intended, the customer must for the application in question.
Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP Safety A declaration of conformity pursuant to the EC The area of responsibility, authority and supervision of Directive 97/23/EC pressure equipment the staff must be regulated precisely by the customer. enclosed with the overflow valve.
Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP Inadmissible modes of operation The operational reliability of the valve supplied is only The operation limits specified on the identification guaranteed if it is used properly in accordance with plate must under no circumstances be exceeded.
Series NKL, NKLP, NKS, NKSP, NK, NKP Product description Richter shut-off and control butterfly valves consist of As already listed in Section 1.1, Richter shut-off and the assemblies: control butterfly valves are valves with a highly corrosion-resistant, soft-sealing plastic lining. The...
This is particularly true for Richter butterfly valves can be remotely actuated by non-Newtonian fluids such as high polymer substanc- means of pneumatic, hydraulic or electric quarter-turn...
These gaskets are We recommend the installation of gaskets so that the available as special accessories in the ITT Richter sealing surfaces are not damaged by the mating range.
Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP Grounding Series NKL, NKLP, Series NK, NKP Series NKS, NKSP Butterfly valves with tapped holes are earthed via the piping bolts. One end of the grounding cable 532 is secured to the underside of the head flange with a hex.
Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP Maintenance Leak-proofness Regular visual inspection in line with the operating Stem passage requirements are necessary at the following points: Body joint Flange connections to pipeline Screwed connections Periodic checks of the tightening torques in line with For tightening torques, see Section 9.7.
Repeat the previously described process once or For detailed installation and inspection regulations twice. for shut-off and control butterfly valves, see QM No. 0910-08-1005, available from ITT Richter on When finally tightening the body bolts, pay request. attention to the torques provided in Section 9.7 Tests Following tests would be done after the assembly :.
Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP Diagram and tables Pressure-temperature-diagram Dimensions Connection 2“ 3“ 4“ 6“ 8“ 10“ 12“ 14“ 16“ See also Section 5.3 , paragraph 1 Face to face to DIN EN 558-1, series 20 (ISO 5752, series 20) Connections for worm gears and brackets as per DIN ISO 5211 The inside diameter of the mounted pipe flanges must always be greater than the dimension E in the table!
Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP 9.7 Tightening torques Pipe screws Body screws The following tightening torques are recommended Body screws for lug-style body for the pipe screws: Tightening Nom. flange Tightening Nom. Size Hex. nut torque size Screws...
Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP 10.4 Sectional drawing NKL Lug-style body with hand lever and PFA-lined disc/stem unit Dimensions in mm 9520-070-en Revision 00 Page 17 TM 5028 MPE/Wm Edition 01/2002...
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Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP 10.5 Sectional drawing NKS Sandwich-type body with hand lever and PFA-lined disc/stem unit Dimensions in mm 9520-070-en Revision 00 Page 18 TM 5028 MPE/Wm Edition 01/2002...
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Installation and Operating Manual Series NKL, NKLP, NKS, NKSP, NK, NKP 10.6 Sectional drawing NK Double-flange body with hand lever and stainless steel disc/stem unit Dimensions in mm 9520-070-en Revision 00 Page 19 TM 5028 MPE/Wm Edition 01/2002...
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