Sandman® 2503-37AH Wear Pad Kit used for Mission MCM 250 Oilfield Centrifugal Pump. It is an important end parts of 2500 Supreme Centrifugal Pumps.
The 250 series Centrifugal Pump has a semi-open impeller design that contains wide-tipped vanes and a more tangential circumference of the suction allowing the pump to create a smoother flow pattern when handling abrasive fluids. The 250 series is available in hard iron, supreme hard iron, and aluminum bronze fluid ends. The pumps can be unitized with electric motors, diesel engines, and hydraulic motors (horizontal, vertical, or close-coupled configuration).
Design Features:
• Versatile stuffing box
• Thick, strong, concentric casing with replaceable casing wear pad
• Casing gasket receded for protection.
• Replaceable stuffing box cover with dual stuffing box bolts
• Long-life, no-adjustment mechanical seal available for near zero leakage
• Replaceable shaft sleeve
• Solid Frame base
• Labyrinth seals for maximum bearing protection
• Duplex angular contact bearings
• Full pipe diameter entrance for minimum turbulence and maximum efficiency
• Wide semi-open impeller creates lower axial thrust for improved bearing life
• All sizes feature the same power end
Mission 2500 Pump Parts List:
2500 Supreme Parts List |
||||||||||||
Item |
Qty |
Part Number |
Process # |
Description |
Material |
|
Item |
Qty |
Part Number |
Process # |
Description |
Material |
1* |
1 |
See Below |
See Below |
Casing, Includes 1 thru 1E |
Hard Iron |
12A |
1 |
H7496-253 |
648402295 |
Seal, O.B. Brg Housing |
Buna-n |
|
1A |
1 |
648403012 |
Gasket, Casing |
Vellumoid |
12B |
4 |
H3861-138 |
3861-138 |
Bolts, O.B. Brg. Housing |
Stl |
||
1B |
12 |
3932-61 |
3932-61H |
Nut, Casing |
Stainless Steel |
12C |
2 |
H3932-62 |
658404702 |
Nut, O.B. Brg. Housing Jam |
Stl |
|
1C |
12 |
648401115 |
Stud, Casing |
Stl |
13 |
1 |
H20617A |
20617H |
Cover, O.B. Bearing |
Ductile Iron |
||
1D* |
1 |
See Below |
See Below |
Wear Pad, Includes stds, nuts & gskt |
|
13A |
1 |
|
661010020 |
Grease Zerk, O.B. Brg. Cvr. |
Stl |
|
1E |
1 |
8505-2H |
601474703 |
Plug, Casing Drain |
Stl |
13B |
1 |
H7496-26 |
072200017 |
O-ring, O.B. Bearing Cover |
Buna-n |
|
2* |
1 |
See Below |
See Below |
Impeller |
Hard Iron |
13C |
1 |
H2564-3 |
2564-3H |
Labyrinth Seal, O.B. Brg. Cvr. |
Buna-n |
|
2A |
1 |
H19110-72 |
648405082 |
Seal, Impeller |
Viton |
13D |
2 |
H3861-139 |
3861-139-4 |
Bolt, O.B. Brg. Cover |
Stainless Steel |
|
3*# |
1 |
H22223-01-30 |
22223H |
Stuffing box, Mech. Seal |
Ductile Hard Iron |
14 |
2 |
H20616-1S |
648408201S |
Bearing, O.B. (2 Req'd) |
Vendor |
|
3*& |
1 |
H20614-01-30 |
20614H |
Stuffing Box, Packed |
Ductile Hard Iron |
14A |
1 |
H6124-4 |
648402105 |
Lockwasher, O.B. Bearing |
Stl |
|
3A |
2 |
H3861-117 |
3861-117 |
Bolt, Stuffing box |
Stl |
14B |
1 |
H6123-4 |
648402055 |
Lucknut, O.B. Bearing |
Stl |
|
3B& |
1 |
19368-1H |
19368-1H |
Grease Fitting |
Stl |
Casings - Includes Studs, Nuts & Gasket |
||||||
4 |
2 |
H20622-4A |
20622AH |
Gland Assy., Packing |
Stainless Steel |
1* |
1 |
H19203-01-30A |
19203AH |
Casing, 3x2x13 |
Hard Iron |
|
5A# |
1 |
H22451-1A |
22451K |
Seal, Mechanical |
Tungsten Carbide |
1* |
1 |
19205AH |
Casing, 4x3x13,w/ wear pad |
Hard Iron |
||
5B~ |
1 |
8264-24-OB |
648402600 |
Packing, Shaft |
|
1* |
1 |
19222AH |
Casing, 5x4x14,w/ wear pad |
Hard Iron |
||
6 |
2 |
20629 |
601102494 |
BOLT,GLAND |
Stl |
1* |
1 |
H19122-01-30A |
19122AH |
Casing, 6x5x11,w/ wear pad |
Hard Iron |
|
7 |
1 |
H20612-02-33 |
646490557 |
Shaft |
AISI 4140 |
1* |
1 |
H19123-01-30A |
19123AH |
Casing, 6x5x14,w/ wear pad |
Hard Iron |
|
7A# |
1 |
H20613-21A |
646492505 |
Sleeve, Shaft (M.S. Pump) |
416SS |
1* |
1 |
H19763-01-30A |
19763AH |
Casing, 8x6x11,w/ wear pad |
Hard Iron |
|
7A& |
1 |
646490656 |
Sleeve, Shaft (Pack Pump) |
416SS/Ceramic |
1* |
1 |
H19117-01-30A |
19117AH |
Casing, 8x6x14,w/ wear pad |
Hard Iron |
||
7B |
1 |
H4372-5-21 |
601212392 |
Key, Shaft |
416ss |
1* |
1 |
H20937-01-30A |
20937AH |
Casing, 10x8x14,w/ wear pad |
Hard Iron |
|
7C |
1 |
23444-01-72 |
648415156 |
Seal, Shaft Sleeve |
Viton |
Impellers and Casing Wear Pads |
||||||
8 |
1 |
641116108 |
Deflector Assembly |
Bronze |
2* |
1 |
H19204-XX-30 |
Varies |
Impeller, 3x2x13 Open |
Ductile Hard Iron |
||
9 |
1 |
H17444 |
17444H |
Frame, Grease Lubricated |
Cast Iron |
2* |
1 |
Varies |
Impeller, 4x3x13 Open |
Ductile Hard Iron |
||
9A! |
1 |
H8505-1 |
8505-1 |
Plug, Oil Drain |
Iron |
2* |
1 |
H2523-XX-30 |
Varies |
Impeller, 5x4x14 Semi Open |
Ductile Hard Iron |
|
9B! |
1 |
8505-2H |
601474703 |
Plug, Oil |
Iron |
2* |
1 |
H2524-XX-30 |
Varies |
Impeller, 6x5x11 Semi Open |
Ductile Hard Iron |
|
9C |
1 |
|
601474737 |
Plug, Frame Drain |
Iron |
2* |
1 |
H2524-XX-30 |
Varies |
Impeller, 6x5x14 Semi Open |
Ductile Hard Iron |
|
9D |
1 |
H8267-1 |
601473689 |
Breather |
Stl |
2* |
1 |
H2524-XX-30 |
Varies |
Impeller, 8x6x11 Semi Open |
Ductile Hard Iron |
|
9E |
1 |
H2565-1 |
2565-1H |
Plug, Oil Fill |
Plastic |
2* |
1 |
H2525-A0-30 |
Varies |
Impeller, 8x6x14 Semi Open |
Ductile Hard Iron |
|
9F! |
1 |
H2539-3 |
2539-3H |
Dip Stick |
Stl |
2* |
1 |
H2526-XX-30 |
Varies |
Impeller, 10x8x14 Semi Open |
Ductile Hard Iron |
|
9G |
2 |
H2538-1 |
2538-1H |
Bolt, Casing Jack |
Stl |
1E |
1 |
2501-37AH |
Wear Pad, 4X3X13 Casing |
Ductile Hard Iron |
||
10A |
1 |
H17950 |
17950H |
Cover, Inboard Bearing |
Iron |
1E |
1 |
H2502-01-30A |
2502-37AH |
Wear Pad, 5X4X14 Casing |
Ductile Hard Iron |
|
10B |
1 |
648408706 |
Gasket, I.B. Brg. Cover |
Vegetable Fiber |
1E |
1 |
H2503-01-30A |
2503-37AH |
Wear Pad, 6X5X11 Casing |
Ductile Hard Iron |
||
10C |
1 |
H2564-4 |
2564-4H |
Labyrinth Seal, IB Brg Cvr |
Buna-n |
1E |
1 |
H2504-01-30A |
2504-37AH |
Wear Pad, 6X5X14 Casing |
Ductile Hard Iron |
|
10D |
2 |
H3861-1 |
3861-1H |
Bolt, I.B. Brg. Cover |
Stl |
1E |
1 |
H2505-01-30A |
2505-37AH |
Wear Pad, 8X6X11 Casing |
Ductile Hard Iron |
|
10E |
1 |
|
661010033 |
Grease Fitting |
Stl |
1E |
1 |
H2506-01-30A |
2506-37AH |
Wear Pad, 8X6X14 Casing |
Ductile Hard Iron |
|
11 |
1 |
N/A |
Bearing, Inboard |
Vendor |
1E |
1 |
H2527-01-30A |
2527-37AH |
Wear Pad, 10X8X14 Casing |
Ductile Hard Iron |
||
12 |
1 |
H20624-01-01 |
20624H |
Housing, O.B. Bearing |
Iron |
|
|
|
|
|
|