Master Lock Pneumatic lock-out device S3900 - lockout-tagout-shop
Prevents pneumatic fittings from being reconnected to a pressurised air source. This device is mounted on to a fitting after which it can be locked and marked with a safety padlock and safety tag. Universal pneumatic locking devices are designed to fit multiple fitting types.
Tip: Always take into account residual or stored energy when applying pneumatic lock out.