User Manual
Operators Instructions for Horizontal
Extended Thrustream Centrifugal Pumps
Manual No/Rev
W12-005E / 3
Our policy is one of continuous improvement and we reserve the right to alter specifications at any time
Page 21 of 28
8.2 Single Stage Pump Parts Identification List - (Numbers as shown on cross section drawing)
Note: Pump construction may vary slightly between the different pump sizes within each type, it is important
to refer to the specific pump section drawing and to quote the pump serial number when ordering
parts to ensure that the correct part is supplied in the original material of construction.
Item Description Qty
A1 Casing Top Half 1
B1 Casing Bottom Half 1
1B Casing Stud 32
1C Casing Dowel 2
1CF Hexagon Nut Full Dowel 2
1CG Plain Washer Dowel 2
1F Hexagon Nut Full Casing 32
1L Casing Plug 1” BSP 7
1M Casing Plug ½” BSP 2
1U Casing Gasket 1
21 Impeller 1
22 Impeller Wear Ring 2
22A Set Screw – Impeller Wear Ring 6
23 Case Wear Ring 2
23A Dowel - Case Wear Ring 4
46 Lantern Ring 4
A47 Sleeve – Locked (Soft Packed) 1
B47 Sleeve – Free (Soft Packed) 1
47R O Ring – Sleeve - Outer 2
47S O Ring – Sleeve - Inner 2
50 Gland 2
50A Stud – Gland 4
50F Nut – Gland 4
50X Retainer - Gland 2
51 Packing 10
A53 Insert Soft Packed - Non Drive End 1
B53 Insert Soft Packed – Drive End 1
53A Screw –Hexagon Head 8
53R O Ring Insert 2
62 Bearing Housing 2
62A Screw – Bearing Housing 24
62Y Cap – N D E Bearing Housing 1
62YA Screw - Hex Headed 4
64 Cover – Bearing 2
64A Screw – Bearing Cover 8
66 Bearing Non-drive End 1
67 Bearing Drive End 2
Item Description Qty
71 Pump Shaft 1
72 Deflector – Water 2
72A Screw - Deflector 2
73 Eyebolt - Lifting (Not Shown) 2
75 Bearing Lock Nut 1
75X Bearing Lock Washer 1
A79 Spacer Ring - Inner 1
B79 Spacer Ring - Outer 1
105 Grease Nipple (Not Shown) 2
B106 Stud Coupling 4
A107 Pipe
As reqd.
108 Reducer 2
116 Key - Impeller 1
118 Key - Coupling 1
308 Air Vent Valve 1
308X Reducer 1
Parts for Pumps with Component Mechanical Seals:
A21F Nut - Impeller (Free) 1
B21F Nut - Impeller (Locked) 1
21R O Ring – Nut - Outer
52 Component Mechanical Seal 2
52A Stud 8
52F Nut 8
52G Washer 8
A53 Insert Mech. Seal - Drive End 1
B53 Insert Mech. Seal – Non Drive End 1
56 Cover - Mechanical Seal 2
56A Plug – Mech. Seal Cover 2
56U Gasket - Mech. Seal Cover 2
Replacement parts should be obtained from
SPP Pumps Ltd. Spares Department; use of
parts from unapproved suppliers will invalidate
the pump warranty. When ordering spare parts
please quote the pump serial number from the
pump identification plate.