![background image](http://html.mh-extra.com/html/honeywell/hon-372/hon-372_operating-and-maintenance-instructions-manual_150001022.webp)
428
453
451
452 W
Z
401
W 402
W 403
404
405
406
400
W 408
407
W 409
430
429
410
W 411
412
431
434
433
414
415
413
439
437 W
435 W
436
643
416
W 417
440
432
419
442 W
441
420
418
421
423
422
444
445
426
427
446 W
447
425
438
424
X
449
450 W
448
M
A
M
A
Y
3.6.1.1 Spare parts drawing actuator K1a
(drawings show DN 25 and DN 50)
M
A
Be sure to comply with tightening torques in table on page 05.
W
Parts should be held in stock for maintenance purposes.
372.20 p.22
see p. 23
see p. 23
Release at overpressure only
Release at
underpressure only
X
Version with HON 915
Release at overpressure
and underpressure