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Series NKS-N, NKSP-N 

 

 

Page 

19

 

 
 

9520-021-en 

Revision 17 

TM 10477

 

Edition    05/2022

 

10.5  Dimensional drawing NKS-N with lever assembly 

 

 

 
 
The dimensions apply to NKS-N with lever unit, worm gear and actuator. 

For the connecting dimensions of the worm gear and actuator, see 

Sections 9.6

 and 

9.7

 

DN  

 

50 

135 

40 

300 

72 

43 

135 

90 

28 

 

80 

160 

40 

300 

100 

46 

178 

128 

67 

  100 

175 

40 

300 

118 

52 

205 

150 

87 

  150 

212 

48 

500 

153 

56 

268 

212 

142 

  200 

232 

48 

500 

181 

60 

326 

265 

193 

  250 

272 

-- 

-- 

213 

68 

380 

315 

243 

  300 

297 

-- 

-- 

250 

78 

452 

365 

292 

  350 

335 

-- 

-- 

285 

78 

500 

430 

343 

 

Содержание NKS-N Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 21: ......

Страница 22: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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