S1 Series Double Shut-off Hydraulic Quick Coupling
S1 is a steel double-shut-off hydraulic quick-coupling series with catalog sizes from 1/4 to 2 inches. The poppet valves open when coupled and close when disconnected for the industrial hydraulic applications listed in the catalog.
Product features
The poppet valves close when disconnected to limit fluid loss. The valves open automatically after coupling to maintain flow within the rated working range. A ball-locking mechanism joins the two halves, with socket and plug machined from solid bar stock. The catalog states conformity with ISO 7241-A.
Size, pressure and flow
| Body size (in) | Rated pressure (psi) | Rated flow (GPM) |
|---|---|---|
| 1/4 | 5000 | 3 |
| 3/8 | 4000 | 6 |
| 1/2 | 4000 | 12 |
| 3/4 | 3000 | 28 |
| 1 | 3000 | 50 |
| 1-1/4 | 3000 | 88 |
| 1-1/2 | 2000 | 220 |
| 2 | 2000 | 240 |
Operating conditions
| Item | Value |
|---|---|
| Standard | ISO 7241-A |
| Temperature range | -20–120°C |
| Standard seal | NBR |
Applications
Catalog-listed applications include construction equipment, forestry equipment, agricultural machinery, hydraulic tools, oil equipment, steel-mill equipment and other industrial hydraulic connections.