This is a nickel-plated brass / PBT spring loaded check valve that allows free flow in one direction and prevents it from going in the opposite direction.The flow direction is from hose to thread. It has a 6 mm push-in fitting on one side and a R 1/4 inch male threads on the other side. It has an NBR seal that makes it suitable for applications within a temperature range from 0 to 60 °C (32 to 140 °F). The operating pressure range is 0.2 to 10 bar (3 to 145 psi). There is an arrow on the body of the fitting indicating flow direction.
Pros:
- It has a push-in connection for easy installation and release for pneumatic hosing
Specifications
Connection size : 1/4 inch
Push-in connection : 6 mm
Connection type : Push-in,Outer thread conical BSPT-R
Seal material : NBR (nitrile rubber)
Recommended for : Vacuum
Max pressure at 20 °C (bar) : 10
Max temperature (°C) : 60
Check valve feature : Vacuum,Flow to the thread
Min opening pressure (bar) : 0.2
Vacuum (bar) : -0.95
Model : Straight
Surface protection : Nickel-plated

![FKM O-ring 6 x 2.5mm (OD 11mm) 80 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_d9227461-7366-419b-9902-b703cf04b4dd.webp)
![EPDM O-ring 9 x 1.5mm (OD 12mm) 70 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_5ce887fc-0734-4905-b97e-6b06af60e1f7.webp)
![NBR O-ring 9 x 6mm (OD 21mm) 70 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/s22pt__n.93981eec.webp)
![FKM O-ring 8.73 x 1.78mm (OD 12.29mm) 80 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_60524cd0-7ccf-4edb-98ed-7dad6c21420f.webp)
Reviews
There are no reviews yet.