We are out of the office from 5pm (BST) 19th May. We return on the 26th May 2022. Orders placed during this time may not be processed until we are back.


On/off ball valve. Ball valve QH-QS-4-1/8 with QS push-in connector. Hand lever and female thread. These are the on/off valves we use for our PRO Range of air scribes. They are very well made, sturdy, easy to use and reliable. 

  • Valve function=2/2 bistable, Pneumatic connection, port 1=R1/8"
  • Pneumatic connection, port 2=QS-4
  • Type of actuation=manual
  • Mounting type=Threaded

1/8 BSP" male thread and 4mm OD push fit (for 4mm polyurethane hose).

  • Guaranteed safe checkout