Quick Couplers — SF Socket Female Thread
A automatic shut-off valve is built in the socket, thus the fluid in the socket will not run out on disconnection. The female thread is used to connect male thread in the pneumatic equipments.
| Part No. | Thread (PT, R, BSPT) |
| SF 20 | R1/4 |
| SF 30 | R3/8 |
| SF 40 | R1/2 |
