GRACO 563203 - Double Ball Check Valve 45 PSI Nominal Cracking psi, Twin Tandem, 1/4" NPT(F) (M) x 1/8" NPT(F) (M), SS, 10000 PSI
Twin Tandem Check Valve designed for hydraulic or lubrication systems with pressures up to 10000 PSI. Features both a garter type check valve and a standard ball and spring type check valve. The garter check valve has a soft seat elastic garter band that permits uninterrupted flow and seals unwanted back flow.
45 PSI nominal cracking pressure
1/4 inch (6.4 mm) NPTF (M) x 1/8 inch (3.2 mm) NPTF (M)
steel body/ball
10,000 PSI max
Additional Specifications
- Max Working Pressure: 10000 PSI (690 bar) maximum operating pressure
- Material: All Stainless Steel
- Cracking Pressure: 45 ± 10 PSI (3 ± 0.7 bar)
- Max Temp: 400°F (204.5°C)
- Fkm Elastic Band: Suitable for most fluids
- Weight: 142g (5 oz)
- Compatible Lubricants: Oil and Grease, compatible with FKM
| Application | Compressor Equipment |
| Ball Material | Stainless Steel |
| Body Material | Stainless Steel |
| Compatible Material | Oil, Grease |
| Inlet Size (in) | 1/4 |
| Inlet Thread Gender | Male |
| Inlet Thread Type | NPTF |
| Maximum Cracking Pressure (psi) | 45 |
| Maximum Working Pressure (MPa) | 68.9 |
| Maximum Working Pressure (psi) | 10000 |
| Number of Balls | Double Ball |
| Outlet Size (in) | 1/8 |
| Outlet Thread Gender | Male |
| Outlet Thread Type | NPTF |
| Type | Check Valve |
Features
- Positive seal prevents leakage and back flow
- Compact and easy to install
- Dual check valve system with garter type and ball/spring type
- Soft seat elastic garter band for uninterrupted flow
- All stainless steel construction
Applications
- Hydraulic systems up to 10000 PSI
- Lubrication systems up to 10000 PSI
- Systems requiring back flow prevention
Related Parts
Installation requires arrow on check valve to point towards direction of flow. Under normal flow conditions, soft seat FKM elastic garter band is raised off the valve stem allowing flow through the valve.
Reference Manuals
