- S3920 Butterfly Valve Lockout Device
- Adjustable - fits virtually all butterfly valves
- The S3920 device acts as a wedge between the two butterfly valve handles
- Feed an S806 cable lockout device (sold separately) through eyelet and around valve neck
- Stainless steel rivet allows device to smoothly pivot open and closed to ensure proper fit
- Durable, lightweight Zenex material is chemical resistant and performs effectively in extreme environments
- Directional application arrows allow for ease of installation and minimizing of user error
- S3921 is a kit containing one S3920 and One S806CBL3 Adjustable Cable Lockout