
ISC2-PX
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.
2
1 Nomenclature
Part references in this document are denoted in square parenthesis, e.g. [15]
Primary seal O-rings [13], [13.1] and [76] are the same size and cross-section.
1 18 11 13.1 13 16 24 111 103 57 40
19 5 183 76 15 14 100 5 13 57.1 58
Part Description
Ref.
1 Sleeve Assembly
5 Square-headed Pin
11 Gland
13 Seat Gasket O-ring
13.1 Seat Gasket O-ring
14 Stationary Face
15 Rotating Face
16 Springs
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
100 Stationary Face Support
103 Setting Device
111 Snap Ring
183 Vibration Dampener
Figure 1
Part
marking
sample
Sizes
≤ 2.750 inch
(70 mm)
Sizes
> 2.750 inch
(70 mm)
3 Repair or Replace Guide
Seal parts that are always replaced
• Stationary face [14]
• Rotating face [15]
• Springs [16]
• Square-headed pin [5]
• Stationary face support [100]
• All gaskets (O-rings) [13], [13.1], [19] and [76]
• Gland gasket [18]
• 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]
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