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 23 of 28
8.4 Two 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
1A Casing Stud Varies
1B Casing Stud Varies
1C Casing Dowel 2
1CF Hexagon Nut Full Dowel 2
1CG Plain Washer Dowel 2
1F Hexagon Nut Full Casing Varies
1L Casing Plug 4
1M Casing Plug 2
1U Casing Gasket 1
8 Interstage Plate (Two Stage) 1
8A Dowel 1
8R O Ring – Interstage Plate 1
17 Impeller Spacer (Two Stage) 1
17R O Ring – Impeller Spacer 2
A21 Impeller (Two Stage) 1
B21 Impeller (Two Stage) 1
A21F Impeller Nut – Locked (Mech. Seal) 1
B21F Impeller Nut – Free (Mech. Seal) 1
22 Impeller Wear Ring (Where fitted) 2
22A Set Screw – Impeller Wear Ring 4
23 Case Wear Ring 2
23A Dowel Case Wear Ring 4
24 Interstage Neck Bush 1
24A Socket Set Screw – Neck Bush 2
45 Neck Ring 2
46 Lantern Ring 2 / 4
A47 Sleeve – Locked 1
B47 Sleeve – Free 1
47R O Ring – Sleeve - Outer 2
47S O Ring – Sleeve - Inner 2
50 Gland 2
51 Packing 5
53 Spacer Ring (Soft Packed) 2
A53 Insert 1
B53 Insert 1
53A Socket Capscrew 8
53F Spring Washer 8
53R O Ring Insert 2
61 Support Frame 2
61A Hexagon Headed Screw 8
61F Plain Washer 8
A62 Bearing Housing Non-drive End 1
A62L Plug Bearing Housing N.D.E 1
B62 Bearing Housing Drive End 1
Item Description Qty
66 Bearing Non-drive End 1
67 Bearing Drive End 2
71 Pump Shaft 1
71 Oil Seal 1
73 Eyebolt 1
75 Bearing Lock Nut 1
75F Bearing Lock Washer 1
77 Shoulder Ring 1
79 Spacer Ring 1
105 Grease Nipple 2
A106 Elbow 90deg. 2
B106 Stud Coupling 4
C106 Tubular Piece 2
D106 Stud Coupling 2
116 Key - Impeller 1
118 Key - Coupling 1
A107 Pipe 2
B107 Pipe 2
308 Air Vent Valve 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.