Flowserve ISC2 Single metal bellows seal - Manual (Page 2)

ISC2-BX
1.875
316 SS
2 Disassembly
When disassembling the seal, inspect for conditions which may have caused the
seal to be removed from service. If seal was removed due to premature failure,
determine what conditions caused that failure and correct any problems prior to
returning the repaired seal to service. For assistance with seal failure analysis,
please contact your Flowserve representative.
3 Repair or Replace Guide
Seal parts that are always replaced
• Bellows assembly [79]
• Stationary face [14]
• All gaskets (O-rings) [13], [76], and [19]
• Gland gasket [18]
• Vibration dampener [183.1]
• Bellows vibration dampener [183]
• Setting devices [103] and cap screws [40]
• Cup-point [57] and quarter-dog set screws [57.1]
• Gland bushing [24] and snap ring [111]
2
1 Nomenclature
Part references in this document are denoted in square parenthesis, e.g. [79]
O-rings [13] and [76] are the same size and cross-section.
1 183 11 183.1 13 103 57.1 40
18 19 76 79 14 5 24 111 57 58
Part Description
Ref.
1 Sleeve Assembly
5 Drive Pin
11 Gland
13 Seat Gasket O-ring
14 Stationary Face
18 Gland Gasket
19 Sleeve Gasket O-ring
24 Gland bushing
40 Cap Screw
57 Cup-point Set Screw
57.1 Quarter-dog Set Screw
58
Drive Collar
76 Rotating Face Gasket O-ring
79 Bellows Assembly
103 Setting Device
111 Snap Ring
183 Vibration Dampener
183.1 Vibration Dampener Figure 1
Part
marking
sample
Sizes
≤
2.750 inch
(70 mm)
Sizes
>
2.750 inch
(70 mm)