BD-F34X Butterfly Valve Lock
The BD-F34X butterfly valve lock is made of reinforced nylon with stainless steel teeth, and is suitable for small butterfly valves with a handle width ≤23mm and a thickness ≤14mm.
- Reinforced Nylon PA Lock Body — UV resistant, high strength, impact resistant, wear resistant, temperature resistant -57°C to +177°C, flame retardant material available upon customization.
- A toothed stainless steel plate firmly grips the valve handle, ensuring a secure lock.
- No tools required: Simply press down the handwheel to open → secure the handle → tighten clockwise to complete installation.
- Press down the handwheel to open the lock → secure it to the butterfly valve handle → tighten clockwise → attach the safety tag and padlock.
- Used with safety padlocks and safety signs to lock energy isolation devices.
- Customizable laser logo and color (default red), new locking solutions available.
Product Appearance

Core parameters:
Product Name:BD-F34X Butterfly Valve Lock
Main Material:Reinforced Nylon PA + Stainless Steel
Product Dimensions:74 × 160mm (width × height)
Product Specifications:Applicable handle width: ≤23mm / Applicable handle thickness: ≤14mm; Bottom serration width 23mm, base width 38mm
Core Functions:The stainless steel serrated engagement mechanism, combined with a handwheel screw, securely locks the small butterfly valve handle without tools, preventing accidental valve opening during maintenance.
Applicable Industries:Petrochemicals, power energy, water treatment, food and beverage, pharmaceuticals, industrial manufacturing
Main Advantages:Reinforced nylon PA temperature resistance -57°C to +177°C, UV resistance, and impact resistance; stainless steel serrated teeth for secure, non-loosening grip; tool-free, quick-tightening handwheel screws; customizable flame-retardant materials, colors, and logos.




