Item Part no.
no. Denomination Number DN 25 DN 50 DN 80 DN 100 DN 150
370.20 p.31
Regulating assembly 3
303 O ring 1 20428
304 Sealing ring 1 18710
314 Roll diaphragm 1 15058021
316 Guide belt 1 15059259
317 O ring 1 20619
320 Pressure-compensating diaphragm, optional:
320
Pressure-compensating diaphragm for valve seat Ø100
1 15059057
320
Pressure-compensating diaphragm for valve seat Ø140
1 15059024
323 Valve cone, optional:
323 Valve cone for valve seat Ø100 1 15059050
323 Valve cone for valve seat Ø140 1 15801757
324 Valve seat, optional:
324 Valve seat for valve seat Ø100 1 15059048
324 Valve seat for valve seat Ø140 1 15801459
325 Sealing ring, optional:
325 Sealing ring for valve seat Ø100 1 15059054
325 Sealing ring for valve seat Ø140 1 15801762
326 O ring 1 20323
327 O ring 1 20327
329 O ring 1 21267
333 Sealing ring 1 518017
334 Sealing ring 1 18684
339 Valve rod 1 18801756
340 Valve plate, at option:
340 Valve plate for valve seat Ø100 1 15059049
340 Valve plate for valve seat ø140 1 15059041
For actuators K1a and K2a
402 O ring 1 21253 21253 21253 21253 20323
403 O ring 1 21250 21250 21250 21250 20914
408 O ring 1 21254 21254 520041 520041 20448
409 O ring 1 21250 21250 21250 21250 20914
417 O ring 1 20371 20371 20371 20371 20371
435 Sealing ring 1 518017 518017 518017 518017 518017
437 O ring 1 21251 21251 21251 21251 21251
450 Sealing ring 1 518017 518017 518017 518017 518017
452 Sealing ring 1 518017 518017 518017 518017 518017
454 Sealing ring 2 19199 19199 19199
464 O ring 1 21255 21259 21262 21264 520103
466 Piston, vulcanised 1 15026110 15026110 15026110 15026110 15059033
471 O ring 1 21260 21260 21260 21260
482 O ring 1 21005 21005 21005 21005
485 O ring 1 20361 20361 20361 20361
Pressure/force transducer
506 O ring 1 20336
507 O ring 1 20398
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