Item Part no.
no.
Denomination
Number
W Material DN 25 DN 50 DN 80 DN 100 DN 150
372.20 p.25
400 Sealing ring 1 NFSt 19199 19199 19199 19199 519024
401 Retaining bolt 1 NSt 15026019 15026019 15026019 15026019 15059043
402 O ring 1 W KG 21253 21253 21253 21253 20323
403 O ring 1 W KG 21250 21250 21250 21250 20914
404 Bushing 1 Ms 15025016 15027016 15027016 15027016 15059028
405 Torsion spring 1 NSt 15026022 15026022 15027022 15027022 15059032
406 Sleeve 1 NSt 15026023 15026023 15027014 15027014 15059031
407 Axial bearing 1 K 15026024 15026024 15027021 15027021 15059045
408 O ring 1 W KG 21254 21254 520041 520041 20448
409 O ring 1 W KG 21250 21250 21250 21250 20914
410 Spindle bush 1 Ms 15026018 15026018 15027017 15027017 15027017
411 Screwed plug, optional:
411
for version without approach switch
2 KG 26550 26550 26550 26550 26550
411
for version with 1 approach switch
1 KG 26550 26550 26550 26550 26550
412 Sphere 2 NSt 5184 5184 5184 5184 5184
413 Valve cone 1 LM 15026511 15026511 15026511 15026511 15026511
414 Thread insert 4 St 27132 27132 27132 27132 27132
415 Lock washer 4 St 14123 14123 14123 14123 14123
416 Hex screw 4 St 8172 8172 8172 8172 8172
417 O ring 1 W KG 20371 20371 20371 20371 20371
418 Hex nut 4 St 3399 3399 3399 3399 3399
419 Sealing ring 1 FSt 19131 19131 19131 19131 19131
420 Cheese head screw 4 St 10150 10150 10150 10150 10150
421 Sphere 6 NSt 5108 5108 5108 5108 5108
422 Spring retainer 1 K 10008563 10008563 10008563 10008563 10008563
423 Lock bushing, complete 1 LM/St... 10010619 10010619 10010619 10010619 10010619
424 Spring housing 1 GLM 15055020 15055020 15055020 15055020 15055020
425 Valve stem, complete 1 NSt/St 10010614 10010614 10010614 10010614 10010614
426 Spring plate 1 K 10000856 10000856 10000856 10000856 10000856
427 Spring plate 1 Ms 10001844 10001844 10001844 10001844 10001844
428 Pipe 1 LM 10024060 10024060 10024060 10024060 10024060
429 SSV axle 1 NSt/St 15026400 15026400 15027008 15027008 15059029
430 Bushing 1 Ms 15026017 15026017 15027013 15027013 15059027
431 Pressure spring 1 NFSt 15026005 15026005 15027015 15027015 15027015
432 Switch housing, optional:
432
Switch housing for 1 approach switch 1 GLM 15055039 15055039 15057039 15057039 15057039
432
Switch housing for 2 approach switches
1 GLM 15055040 15055040 15057040 15057040 15057040
433 Sealing ring 1 NFSt 19195 19195 19196 19196 19196
434 Lock bushing 1 NSt 15026020 15026020 15027018 15027018 15027018
435 Sealing ring 1 W LM 518017 518017 518017 518017 518017
436 Screwed connection 1 St 530043 530043 530043 530043 530043
437 O ring 1 W KG 21251 21251 21251 21251 21251
438 SSV bottom, complete 1 GLM... 10010605 10010605 10010605 10010605 10010605
439 Pressure spring 1 FSt 10011077 10011077 10011077 10011077 10011077
440 Pressure disc 1 LM 10004882 10004882 10004882 10004882 10004882
3.9.2 Spare parts list actuators K1a and K2a
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