GRACO 562649 - Double Ball Check Valve 110 PSI Nominal Cracking Pressure, 1/4” NPT(F) x 1/8” NPT(F), SS, 8000 PSI
Trabon Double Ball Check Valve designed for high pressure applications where reverse leakage must be kept to a minimum. Features positive sealing check valve technology with a relatively stiff bias spring to increase reliability of circuits designed to defeat a blockage or reduction in lubricant flow. The right angle configuration allows convenient installation in a wide variety of plumbing configurations.
Additional Specifications
- Length: 3.2 inches (81.5 mm)
- Thread: 1/4-18 NPTF x 1/8-27 NPTF
- Max Working Pressure: 8000 PSI (552 bar) maximum operating, 110 PSI (7.6 bar) nominal cracking
- Material: SST body, SST springs, SST balls
- Style: B - Straight body style
- Hex Size: 0.75 inches (19.1 mm)
- Max Temperature: 400°F (204.5°C)
- Lubricant: Oil and Grease (mineral based and synthetic)
| Application | Compressor Equipment |
| Ball Material | Stainless Steel |
| Body Material | Stainless Steel |
| Compatible Material | Oil, Grease |
| Inlet Size (in) | 1/4 |
| Inlet Thread Gender | Female |
| Inlet Thread Type | NPT |
| Maximum Working Pressure (MPa) | 55.1 |
| Maximum Working Pressure (psi) | 8000 |
| Number of Balls | Double Ball |
| Outlet Size (in) | 1/8 |
| Outlet Thread Gender | Female |
| Outlet Thread Type | NPT |
| Type | Check Valve |
Features
- Various inlet and outlet sizes and configurations
- Positive sealing check valve
- Double ball design for reliable sealing
- Stiff bias spring increases circuit reliability
- Prevents fluid drainage due to gravity
- Can isolate parts of circuits
Applications
- High pressure lubrication systems
- Hydraulic systems
- Ram and compressor cylinder lubrication
- Circuit isolation
- Preventing reverse flow and leakage
Related Parts
This is a Style B straight body double ball check valve with stainless steel construction throughout. Application is similar to straight body double ball check valves.
Reference Manuals