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Series 

KNAR/F, KNARP/F, KNAR-D/F, KNARP-D/F,

 

Page 

12

 

 

KNAR-S/F, KNARP-S/F   

ASME

 

 

9520-032-en 

Revision   15 

TM  9549

 

Edition 11/2018 

Maintenance 

  All  repair  work  is  to  be  performed  by  qualified 

personnel using the appropriate tools.  

  For  the  arrangement,  designation  and  item 

numbers of all parts of the valve, see 

Section 10

.  

  Spare parts are to be ordered with all the details 

in acc. with the valve identification.  

  Only original spare parts may be installed.  

  To prevent leaks, a regular check of the connec-

tion screws should be made in line with the oper-
ating requirements. 

  For tightening torques, see 

Section 1.3

 
 

9.1  Dismantling 

 

9.1.1  Ball valve with lever 

  Remove lever 

203

  Take out grounding spring washer 

557

  Dismantle packing gland follower 

503 

and spring 

gland follower 

502

  The  thrust  ring 

405/1

,  packing  bellows 

403 

and 

retaining  washer 

526 

(not  in  6"  and  8”)  are  one 

unit and it is levered out using 2 screwdrivers. 

  Undo  screw  connection  body  end  piece 

102 

main body 

100

  Remove body end piece 

102

  Remove  V-control  ball/stem  unit 

201 

in  closed 

position.  Make  sure  that  you  do  not  damage  the 
body lining. 

  Remove seat rings 

401

 

 
 

9.1.2  Packing bellows 

  Remove retaining washer 

526

  Separate  thrust  ring 

405/1

  and  packing  bellows 

403 

by pushing them apart. 

 
 

9.1.3  Ball valve with actuator 

  Remove actuator 

850 

and coupling 

804

  Dismantle packing gland follower 

503 

and spring 

gland follower 

502

  Remove bracket 

510

.  

  Further  dismantling  is  performed  as  described  in 

Section 9.1.1

 

9.2  Assembly 

  Prior  to  assembly all parts are  to  be cleaned and 

the plastic-lined parts checked for damage. 

  Insert  seat  rings 

401

  in  the  main  body 

101 

and 

body end piece 

102

  Assemble  V-control  ball/stem  unit 

201 

in  closed 

position.  Make  sure  that  you  do  not  damage  the 
body lining.  
An  additional  bore  in  the  V-control  ball/stem  unit, 
e.g.  for  cavity-free,  must  lie  on  the  p1  side  in  the 
closed position.  

  Mount  body  end  piece 

102

.  Tighten  the  greased 

housing screws cross over with a tightening torque 
according to 

section 1.3

 
 

9.2.1  Packing bellows 

  Press thrust ring 

405/1

 into packing bellows 

403

  Install retaining washer 

526 

(not in 6" and 8"). 

  Press unit into main body 

101

  Press in grounding spring washer 

557

 
 

9.2.2  Ball valve with lever 

  Mount lever stop 

577

, spring gland follower 

502 

(at 

3", 4", 6" and 8” are 2 spring gland followers) and 

packing  gland  follower 

503

.  Tighten  packing  nuts 

until  there  is  no  gap  between  packing  gland  fol-
lower and spring gland follower.  See 

Section 1.3

 

and 

10.4

  Seal any tapped bores still open with plugs. 

  Mount lever 

203

 
 

9.2.3  Ball valve with actuator 

  Mount spring gland follower 

502 

(in 3", 4", 6" and 

8“ they are 2 spring gland followers) and packing 

gland  follower 

503

.  Tighten  packing  nuts  until 

there  is  no  gap  between  packing  gland  follower 
and spring gland follower.  
See 

Section 1.3

 and 

10.5

  Mount bracket 

510 

with the opening at right angles 

to the direction of flow. 

  Mount  coupling 

804 

and  actuator 

850

.  Notice 

direction  of  rotation  of  V-control  ball/stem  unit. 
Observe  the  actuator  position  in  accordance  with 
the actuator operating manual. 

  Tighten setscrew 

904/4

 in the coupling 

804

 

Содержание KNAR-D/F Series

Страница 1: ...n and maintenance Subject to change without notice Reproduction is generally permitted with indication of the source Richter Chemie Technik GmbH 9520 032 en Revision 15 Edition 11 2018 Series KNAR F K...

Страница 2: ...valve with actuator 12 9 2 Assembly 12 9 2 1 Packing bellows 12 9 2 2 Ball valve with lever 12 9 2 3 Ball valve with actuator 12 9 3 Conversion from lever to actuator 13 10 Drawings 13 10 1 Legend 13...

Страница 3: ...5 KNAR S F KNARP S F Stainless steel 1 4408 CF8M 316 Lining material PFA PTFE F On request antistatic F L highly permeation resistant F P Temperature range See pressure temperature diagram in Section...

Страница 4: ...The end of the stem journal or flat pivot point is marked with flow direction flow rate Kvs and Cv lining material As viewed from above closing is in clockwise direction 1 3 Tightening torques All scr...

Страница 5: ...id damage to the valve it is imperative to observe the max admissible actuating torque 1 5 Cavitation coefficient z for 75 duty Cv Cv100 0 75 There are at least 3 different V control ball stem units f...

Страница 6: ...used in the area of application of ASME the low temperature of ASTM A395 is limited to 20 F 29 C A special material is used for the ball stem unit for operating limits under 14 F to 76 F 10 C to 60 C...

Страница 7: ...urs gases and non boiling liquids of group 1 according to the PED and have a corrosion resistant plastic lining Solids can lead to increased wear damage to sealing surfaces or to a reduction in the se...

Страница 8: ...ot completely filled with medium e g during evacuation and filling the formation of an explosive atmosphere must be prevented e g by superimposing a layer of nitrogen It is recom mended to wait 1 hour...

Страница 9: ...ipt of the goods the consignment must be checked for completeness and any in transit damage Do not damage paint protection 5 1 Storage If the valve is not installed immediately after delivery it must...

Страница 10: ...ock washers One pipe screw per flange is underlaid with toothed disks At the customer s request a setscrew M6 with a hex nut and washer will be provided at each flange as an additional grounding conne...

Страница 11: ...mechanical damage by using flange caps See also Section 6 1 Make sure that a remote controlled actuator cannot be switched on by accident 8 Malfunctions Flange connection ball valve pipe is leaking R...

Страница 12: ...escribed in Section 9 1 1 9 2 Assembly Prior to assembly all parts are to be cleaned and the plastic lined parts checked for damage Insert seat rings 401 in the main body 101 and body end piece 102 As...

Страница 13: ...of V control ball stem unit Observe the actuator position in accordance with the actuator operating manual Tighten setscrew 904 4 in the coupling 804 Tighten sleeve nut 512 on the coupling tight Atte...

Страница 14: ...KNARP F KNAR D F KNARP D F Page 14 KNAR S F KNARP S F ASME 9520 032 en Revision 15 TM 9549 Edition 11 2018 10 2 Sectional drawing ball valve with lever Holes of the flange and housing screws view dis...

Страница 15: ...KNARP F KNAR D F KNARP D F Page 15 KNAR S F KNARP S F ASME 9520 032 en Revision 15 TM 9549 Edition 11 2018 10 3 Sectional drawing ball valve with actuator Holes of the flange and housing screws view d...

Страница 16: ...View and section ball valve with lever View Z Section B B 10 5 Sections ball valve with actuator Section A A Section B B Section B B Tighten packing gland follower 503 until spring gland follower 502...

Страница 17: ...lever KNAR F x x x x x x x x KNAR S F x x x DN 1 1 2 3 4 6 8 L inch mm 5 12 130 5 91 150 5 0 127 6 5 165 7 0 178 7 99 203 9 01 229 10 51 267 17 99 457 HL inch mm 7 05 179 10 24 260 12 32 313 20 27 515...

Страница 18: ...15 80 4 64 118 5 27 134 7 24 184 H2 inch mm 2 32 60 2 32 60 3 15 80 3 94 100 H3 inch mm H4 inch mm L inch mm 5 12 130 5 91 150 5 0 127 6 5 165 7 0 178 7 99 203 9 01 229 10 51 267 17 99 457 L1 inch mm...

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Страница 23: ...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 env...

Страница 24: ...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 25: ...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 26: ...5241 2870 Email RichterShanghai 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 RichterCed...

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