
This industrial-grade outlet check valve is precision-engineered to handle high-capacity fluid delivery and secure zero-leak reverse block operations at the discharge end of liquid pumps. Manufactured from high-strength, corrosion-proof metallic alloys, its heavy-duty body handles extreme mechanical torque and continuous system pressure surges without structural distortion. The precision-machined internal seating profile ensures perfect concentric alignment.
Designed for direct mounting into primary discharge headers, this compact valve maximizes flow efficiency by eliminating restrictive air turbulence and localized pressure drops. Its durable connection interface handles constant operational vibrations safely, protecting downstream piping tracks from performance-limiting pressure decay. This robust outlet check valve reduces manual plumbing maintenance requirements and ensures an extensive service lifespan.
- Heavy-duty structural metal composition offers superior resistance to mechanical wear and guards against accidental impact damage.
- Straight high-flow internal path geometry maximizes volumetric displacement, optimizing attached pneumatic actuator performance parameters.
- Precision-engineered sealing elements prevent hazardous leaks, maintaining stable system pressure and reducing costly energy waste.
- Symmetrical parallel configuration adapts smoothly to standard fractional plumbing systems, machinery tracks, and manifold blocks.
- Exterior hex geometry allows straightforward wrench tightening during final assembly, preventing thread stripping or configuration deformation.
- Pressure-tested structural architecture guards operators from blowouts, maintaining safe production cell operations under severe cyclic loads.
- Fatigue-resistant internal valving components sustain exceptionally high continuous duty-cycles, driving down plant repair expenses.
| Part No | 28689-3 |
| Product Type | VLV,CHK,OUTLET,1/2"NPT |
| Supplier Name | Haskel |
| Application | High-capacity discharge flow control and reverse backflow containment in liquid pump heads |
| Function | Automatic discharge-pressure activated check-valve gating with an absolute mechanical reverse fluid isolation |
| Compatibility | Haskel high-pressure liquid pumps and standard 1/2-inch industrial female NPT connections |
| Installation Type | Threaded male connection port into active fluid headers requiring wrench-assisted assembly |
| Compatible Media | High-pressure compressed air, technical process gases, industrial water, and hydraulic mineral oils |
| Material | Premium machined stainless steel base construction with robust synthetic elastomer seals |
| Operating Condition | Demanding production facilities subject to high mechanical vibrations and continuous operations |
| Performance Feature | Concentric full-bore path delivering low flow resistance combined with tool-free connection capabilities |