User guide
Operators Instructions for
Instream Centrifugal Pumps
Manual No/Rev
W23-001E / 8
Our policy is one of continuous improvement and we reserve the right to alter specifications at any time
Page 13 of 16
8.3 Parts Identification List - (Numbers as shown on cross section drawings)
Part No. Description:
Part No. Description:
10.2 Volute Casing
80.1 Electric Motor
16.1 Casing Cover
90.12 Hexagon Head Screw
21.11 Stub Shaft
90.2 Stud (Volute Casing)
23.0 Impeller
90.22 Stud (Casing Cover)
34.4 Support Frame
90.31 Drain Plug (Volute)
40.0 Gasket (Volute to Cover)
90.34 Plug (Delivery Gauge Tapping)
40.01 Gasket (Shaft to Sleeve)
90.35 Plug (Suction Gauge Tapping)
41.11 Joint Ring (Volute Drain)
92.0 Nut (Volute Studs)
41.14 Joint Ring (Delivery Gauge Tapping)
92.2 Impeller Nut
41.15 Joint Ring (Suction Gauge Tapping)
93.0 Lockwasher (Impeller)
41.17 Joint Ring (Flushing Line Tapping)
94.01 Key (Impeller)
43.3 Mechanical Seal
100.001 Locking Nut
50.2 Wear Ring (Outer)
101.001 Hex Socket Head Screw
52.3 Shaft Sleeve
109.01 Air Release Valve
56.0 Pin (Case Wear Ring)
Replacement parts should be obtained from SPP Pumps Ltd. Spares Department, use of parts from unapproved
suppliers will invalidate the pump warranty. Spare parts kits are available to cover replacement of major
components, please refer to the following tables. When ordering spare parts please quote the pump serial number
from the pump identification plate.8.4 Spares Kits for Instream Pumps
Spares Kit Application Comprising Parts (Where required - see Parts List)
Gasket Set 40.0, (40.01) & 93.0
Mechanical Seal Replacement 43.3, (52.3, 40.01) & 93.0
Shaft Replacement 21.11, 90.4, 92.2, 93.0 & 94.01
Impeller Replacement 23.0, 50.2, 56.0, 93.0 & 94.01
(Note - A Gasket Set is needed when replacing major components)
Spares Kit Part Numbers (Quote as 'SPK ***')
Pump Size Gasket Kit Mechanical Seal Kit Shaft Kit Impeller Kit
40/13
531 101 604 201
40/16
532 101 606 205
50/13
531 101 606 202
50/16
532 101 607 206
50/20
533 101 609 211
65/13
531 101 606 203
65/16
532 101 609 207
65/20
533 101 609 212
80/13
531 101 607 204
80/16
532 101 607 208
80/20
533 101 609 213
8.4
Instream Pump Connections
Suction & Delivery Flanges: Auxiliary Connections:
Suction and Delivery
Flanges are drilled to
BS4504 PN16 with
Raised Face
I
Pressure Gauge
Rp
¼
All Sizes
II
Suction Gauge
Rp
¼
All Sizes
III
Casing Vent
Rp
¼
All Sizes
VII
Casing Drain
Rp
¼
All Sizes