Flowserve 80 Series Five Star Seal - Manual (Page 3)

3
Seal Chamber Requirements
Figure 1
1.5 Check equipment dimensions to ensure that they are within the
dimensions shown in Figures 1 and 2. Critical dimensions include
shaft or sleeve OD (A), a chamber depth of at least dimension (G),
minimum and maximum seal housing bore (C), and the minimum
distance to the first obstruction (K). See Figure 2.
1.6 Check gland bolting to ensure that bolt diameter (M) and bolt
circle diameter (L) conform to the dimensions shown in Figure 2.
1.7 Handle the 86/87 with care, it is manufactured to precise
tolerances. The sealing faces of the stationary and rotating face
are of special importance. They are lapped flat to within three light
bands (34.8 millionths of an inch). Keep the sealing faces perfectly
clean at all times.
To first obstruction
Face of seal housing to be square to the axis
of the shaft to within 0.013 mm per millimeter
(0.0005 inches) of seal chamber bore FIM and
have a √1.6
μ
m (63
μ
inch) R finish or better a
Gland pilot can be at either of these
register locations, concentric to within
0.13 mm (0.005 inch) FIM of shaft or sleeve OD
Seal housing bore to have √3.2 μm
(125 μinch) R finish or better
Sleeve or shaft finish to be
0.8 μm (32 μinch) R or better
a
a
Shaft or sleeve OD
+0.000 mm (+0.000 inch)
-0.050 mm (-0.002 inch) ANSI
+0.000 mm (+0.000 inch) API 610/682
-0.025 mm (-0.001 inch) DIN/ISO
• Bearings must be in good condition
• Maximum lateral or axial movement of shaft (end play) = 0.25 mm (0.010 inch) FIM
• Maximum shaft runout at face of seal housing = 0.05 mm (0.002 inch) FIM
• Maximum dynamic shaft deflection at seal housing = 0.05 mm (0.002 inch) FIM