Pneumatic Lockout
Factory-Direct LOTO Manufacturer ISO 9001:2015 · CE · RoHS OSHA 1910.147 / ANSI Z244.1 Aligned Lead Time: 3–7 Days Stock
Pneumatic Lockout devices help prevent equipment from being energized by compressed air during servicing. They secure pneumatic fittings, couplers, and regulators so a hose cannot be reconnected to a pressurized air source until authorized removal of the padlock(s)—supporting safer, more consistent lockout/tagout execution.
Why lock out compressed air?
Pneumatic energy can cause unexpected movement, ejection, or tool activation. A dedicated pneumatic lockout helps prevent a quick-disconnect fitting from being reconnected to an air line while maintenance or adjustment is in progress.
– Air tools and pneumatic actuators
– Compressed air distribution and quick-connect points
– Packaging lines, assembly cells, and maintenance routes
– Facilities with frequent hose swaps or portable equipment
Stops accidental reconnection
Physically blocks coupling to the air supply until padlocks are removed.
Supports group lockout
Multi-hole designs can work with hasps to support multi-worker procedures.
Audit-friendly consistency
Clear lockout points help technicians follow procedures across shifts and areas.
Pneumatic lockout device types (selection overview)
Pneumatic lockouts are typically chosen by connection type (quick-disconnect vs. regulator/fitting), fitting size, and how many workers need control. Below are common options used in manufacturing facilities.
Pneumatic Quick-Disconnect Lockout
Applied to the male fitting to help prevent reconnection to compressed air sources during maintenance.
– Designed for common quick-disconnect systems
– Often supports common male fitting sizes (e.g., 1/4″, 3/8″, 1/2″)
– High-visibility color options for compliance programs
Multi-Hole Pneumatic Lockout (Scissor Style)
Universal, inter-lockable designs that can support multiple padlocks for group lockout.
– Multiple lock points to control access
– Often used with hasps for multi-worker procedures
– Material options include stainless steel or engineering plastics based on environment
Large Electrical / Pneumatic Lockout
For broader isolation needs where a larger enclosure or multi-use lockout body is preferred.
– Useful for site-standardized procedures
– Often selected for durability and visibility
– Works well as part of a portable lockout kit
Not sure which type fits your coupler?
Send photos of your quick-disconnect and the fitting size. We’ll recommend the correct pneumatic lockout option and matching padlocks/tags.
Discover more solutions and related products in our product catalog.










