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When Ordering Parts, Specify Serial Number
Century 630C Diaphragm Control Valve Air to Open Air to Close Spare Parts
Unit of Measure
1 2 

Item #

Item Name

Part No.

item-3749 N/A Upper Diaphragm Case N/A 10
item-3750 N/A Nut & Bolt N/A 11
item-3751 N/A Lower Diaphragm Case N/A 12
item-3752 N/A Diaphragm Plate N/A 14
item-3753 N/A Push Rod N/A 15
item-3754 N/A Operator Diaphragm N/A 16
item-18952 N/A C-10 Upper Gasket N/A 17
item-3755 N/A Internal Seal Assembly N/A 18
item-3756 N/A Allen Cap Screw N/A 19
item-3757 N/A Gasket N/A 20
item-18953 N/A Allen Cap Screw N/A 21
item-3758 N/A Allen Cap Screw N/A 22
item-3759 N/A Bonnet N/A 23
item-3760 N/A Bonnet Nut N/A 24
item-3761 N/A Compressor Pin N/A 25
item-3762 N/A Compressor N/A 26
item-3763 N/A Body Diaphragm N/A 27
item-3764 N/A Body N/A 28
item-18954 N/A Cover Cap N/A 29
item-18955 N/A Limit screw N/A 30
item-18956 N/A Lock Nut N/A 31
item-18957 N/A Limit Stop "O Ring" N/A 32
item-18958 N/A Limit stop Fitting N/A 33
item-18959 N/A Top Mounted Handwheel Fitting N/A 34
item-18960 N/A Handwheel Nut N/A 37
Unit of Measure
1 2