Product Description
Armstrong Casing – Part No. 426160-031
Genuine Armstrong replacement casing, Armstrong part number 426160-031, for Series 4280, 4030 pumps. Shown as item 100 on the Series 4280 drawing (parts list 6042.127 / 6042.128) – highlighted in the pictures above.
- Casing only.
Specification: Ductile iron, 250#; ductile iron, 250#
Fits these Armstrong pumps
- Series 4280 (close coupled end suction) – pump sizes 8 × 6 × 11½
- Construction: Ductile iron (250#)
- Drawing item: 100
- Series 4030 (base mounted end suction) – pump sizes 8 × 6 × 11½
- Construction: Ductile iron (250#)
- Drawing item: 100
Other parts for this pump
Rebuilding a Series 4280 8 × 6 × 11½? These parts are often replaced at the same time:
| Item | Part | Armstrong part no. |
|---|---|---|
| 39 | Water slinger | 419315-000 |
| 40 | Stuffing box / adapter | 426742-031 |
| 40 | Stuffing box / adapter | 426744-031 |
| 43 | Motor washer | 927121-100 |
| 44 | Motor capscrew | 911125-110 |
| 44 | Motor capscrew | 911129-110 |
| 62 | Mechanical seal kit | 975000-984 |
| 62 | Mechanical seal kit | 9975001-833 |
| 62 | Mechanical seal kit | 9975001-633 |
| 62 | Mechanical seal kit | 9975001-837 |
| 62 | Mechanical seal kit | 9975001-838 |
| 70 | Shaft sleeve | 425869-004 |
| 70 | Shaft sleeve | 425869-022 |
| 71 | Shaft sleeve spacer | 425868-004 |
| 80 | Impeller | 426289-011 |
| 83 | Impeller washer | 425742-003 |
| 84 | Impeller lockwasher | 927213-400 |
| 86 | Impeller capscrew | 911900-119 |
| 101 | Casing gasket | 426401-006 |
| 103 | Casing capscrew washer | 927117-100 |
| 104 | Casing capscrew | 911125-112 |
Not sure this is the right part?
Use our Armstrong Pump Parts Finder: choose Series 4280, your pump size and motor to see every part on the drawing. Or send us your pump’s nameplate details – call (416) 236-2338 or email sales@bramhambros.com. Bramham Bros is an authorized Armstrong dealer.
Product Videos
Custom Field
Brand Armstrong
Armstrong Part Number 426160-031
Part Type Casing
Fits Series 4280 8 x 6 x 11-1/2
Fits Series 4030 8 x 6 x 11-1/2
Drawing Item 4030: item 100; 4280: item 100
Specification Ductile iron, 250#; ductile iron, 250#
Shipping cost: Inquire
Parts Finder canadianpumpshop.com/armstrong-parts-finder/