OSHA Danger Flanged Pipe Barrier Kit: Confined Space - Permit Required - Do Not Enter
Control access with the OSHA Danger Flanged Pipe Barrier Kit: Confined Space – Permit Required – Do Not Enter. Designed to meet OSHA requirements for confined space safety, this durable barrier prevents unauthorized entry into hazardous areas. It installs easily onto flanged pipe openings without tools, while its high-visibility design and clear “Permit Required – Do Not Enter” message reinforce compliance and keep your crew protected.
Key Features:
- Available sizes (pipe diameter):
- 18" and 20"
- 22" and 24"
- 26" and 28"
- Heavy-duty aluminum construction resists impact, corrosion, and harsh environments
- U-shaped lip design hooks onto the outer pipe flange—no bolting required
- Adjustable cross arms fit a variety of hatch opening sizes
- Center post design allows for padlock and lockout tag or hasp*
- OSHA “Danger – Permit Required Confined Space – Do Not Enter” message on red and white striped cross arms
- Complies with:
- OSHA 29 CFR 1910.146 (Confined Space Standard)
- ASME/ANSI B16 pipe flange standards
Kit Includes:
- 1 Two-piece Flanged Pipe Barrier
- 1 Keyed differently padlock
- 5 Lockout tags

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