Richter NKS-N Series Installation And Operating Manual Download Page 1

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INSTALLATION AND OPERATING MANUAL

Keep for future use!

This operating manual must be strictly observed before
transport, installation, operation and maintenance

Subject to change without notice.
Reproduction is generally permitted with indication of the source.
© Richter Chemie-Technik GmbH.

9520-021-en

Revision 18 Edition 05/2022

Series NKS-N, NKSP-N

Shut-off and Control Butterfly Valve

metal-coated

Summary of Contents for NKS-N Series

Page 1: ...rved before transport installation operation and maintenance Subject to change without notice Reproduction is generally permitted with indication of the source Richter Chemie Technik GmbH 9520 021 en...

Page 2: ...itial commissioning 12 7 2 Improper operation and their consequences 12 7 3 Shutdown 12 7 3 1 Additional advice for shut off and control butterfly valve with actuator 12 8 Malfunctions 12 9 Maintenanc...

Page 3: ...7043 DIN 1693 body lining PTFE Disc CD 4MCU PFA metal coated Temperature range 60 C to 200 C 75 F to 400 F accord to operating pressure See pressure temperature diagram in Section 1 6 Operating pressu...

Page 4: ...ipe screws flanges to ASME Class 150 or flanges ISO DIN drilled to ASME Class 150 Flange Nominal size screws Tightening torque mm inch ASME Nm in lbs 50 2 4 x 30 266 80 3 8 x 5 8 25 221 100 4 8 x 5 8...

Page 5: ...nnections 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 For more dimensions see drawings in S...

Page 6: ...he country in question must be observed 2014 68 EU PED AD2000 DIN EN 16668 ASME B16 42 DIN EN ISO 15848 1 certificate valid from 29 C to 200 C 1 8 Actuating torques Nominal size Mderf Mdmax mm inch Nm...

Page 7: ...ch are FDA compliant can be used for food and pharma ceutical feedstock as well as in biochemistry Powdered and granulated non or low abrasive solids Shut off and control butterfly valves with a plast...

Page 8: ...valve However these discharges inside the valve cannot cause ignitions if the valve is completely filled with medium If the valve is not completely filled with medium e g during evacuation and fillin...

Page 9: ...ove them until just before installa tion They protect the plastic surfaces against dirt and mechanical damage Handle the goods being transported with care During transport the valve must be protected...

Page 10: ...t sufficient Risk of personal injury or damage to the environment due to the medium Wear protective clothing when work is performed on the valve Prior to the disposal of the valve Collect any medium e...

Page 11: ...se and hand tight By means of a test actuation ensure that the disc is able to freely rotate With the disc slightly opened tighten the piping bolts crosswise For tightening torques see Sec tion 1 2 Bu...

Page 12: ...8 1 1 Risk of injury 7 3 Shutdown Before loosening the flange bolts ensure plant to be free of pressure flush out medium observe safety regulations Prior to starting any repair work the valve is to be...

Page 13: ...is screw with a completely screwed longer dismantling screw not in the product range For the required minimum length of the dismantling screw see table in Section 1 7 Remove the opposite body screw 91...

Page 14: ...3 O rings 400 1 400 2 400 3 400 4 thrust ring 405 1 405 2 pre tensioned by the Pressure springs 952 1 952 2 Packing ring 402 1 Discs 550 1 550 2 550 3 550 6 550 4 550 5 not in DN 50 100 Ring 500 Top s...

Page 15: ...ts are available as accessories in the Richter range of products 9 4 4 Required breakaway torque The breakaway torque of the actuator must be at least as high as the breakaway torque of the butterfly...

Page 16: ...ining 412 x pressure gasket 418 top sleeve not DN 50 2 419 x pressure sleeve not to DN 50 2 500 ring not DN 50 2 501 ring 2 piece 507 Retaining plate see drawing in Section 4 4 510 bracket 519 throttl...

Page 17: ...Series NKS N NKSP N Page 17 9520 021 en Revision 17 TM 10477 Edition 05 2022 10 3 Sectional drawing NKS N with lever assembly DN 50 100...

Page 18: ...Series NKS N NKSP N Page 18 9520 021 en Revision 17 TM 10477 Edition 05 2022 10 4 Sectional drawing NKS N with lever assembly DN 150 350...

Page 19: ...t worm gear and actuator For the connecting dimensions of the worm gear and actuator see Sections 9 6 and 9 7 DN H h l B L D C E 50 135 40 300 72 43 135 90 28 80 160 40 300 100 46 178 128 67 100 175 4...

Page 20: ...0 250 250 250 r 181 181 181 181 181 206 206 226 s 62 62 62 62 62 89 89 92 t 102 102 102 125 125 174 174 214 all dimensions in mm 10 7 Connecting dimensions actuator DN 50 80 100 150 200 250 300 350 g...

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Page 23: ...zung f r die G ltigkeit der Herstellererkl rung ist das Beachten und Einhalten der Betriebsanleitung meet the requirement of the leakage rate La 5 10 4 mgls m according to clause 5 2 6 4 of German Cle...

Page 24: ...ls The laws are such as the Health and Safety at Work Act ArbSt ttV the Ordinance on Harzadous Substances GefStoffV BIOSTOFFV the procedures for the prevention of accidents as well as regulations to e...

Page 25: ...tamination of the pumps valves and component sent in for repair On the basis of this information for the contractor is it possible to meet the necessary preventive action during the execution of the r...

Page 26: ...ch cleaning method radioactive3 1 if no then forward to D other pollutant 2 Aggregates which are contaminated with microbiological or explosive substances are only accepted with documented evidence of...

Page 27: ...ai Info idexcorp com Internet www richter ct com Richter Pumps Valves Inc 406 State Street Cedar Falls 50613 IA USA Tel 1 319 268 8038 Fax 1 319 273 8157 Email RichterCedarFalls Info idexcorp com Inte...

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