×
The Haskel 28083‑2 is a precision-engineered 316 stainless steel retainer shank used in check valve assemblies of air-driven liquid pumps (e.g. 4B‑series). It secures valve components under extreme cyclic pressures up to 100,000 psi - preventing backflow and ensuring pump integrity. Easy to install and serviceable through inlet check valves, it minimizes downtime and maintenance costs. Built to OEM specs, it’s a compact yet essential part for safe, reliable pump operation.
- Machined 316 stainless steel for corrosion and fatigue resistance
- OEM precision fit for Haskel 4B-series and similar valves
- Rated to 100,000 psi — ideal for extreme-pressure systems
- Easy drop-in replacement: no modifications required
- Secures valve components, preventing backflow and prolonging pump life
| Part Number | 28083‑2 |
| Type | Check-valve retainer shank |
| Material | 316 stainless steel |
| Compatible With | Haskel 4B-series air-driven liquid pumps |
| Pressure Rating | Up to 100,000 psi |
| Weight | ~0.01 kg (≈0.02 lb) |
| Packaging | Individually bagged, new condition |
| Certification | OEM original, with Radwell's 2‑year warranty option |