BD-F37-2 Adjustable Butterfly Valve Locking Device
BD-F37-2 Adjustable butterfly valve locking device, made of aluminum-plastic composite, adjustable width 70-210mm, suitable for butterfly valves with valve handle diameter ≤Φ42mm and valve stem Φ33-57mm, multi-hole, multi-person locking.
- Aluminum alloy + engineering plastic lock body — high strength, corrosion resistance, and impact resistance
- Width range of 70-210mm, press the lock button and slide the top cover for easy left and right adjustment
- Four locking holes allow multiple workers to lock equipment simultaneously
- Four quick steps: Align the locking holes → Press to adjust → Adjust position → Lock and tag
- Use with safety padlocks and safety signs for stop-work locking, isolation locking, and equipment locking management
- Custom sizes, laser logo, custom colors (default red), and custom labels/slogans are available.
Product Appearance

Core parameters:
Product Name:BD-F37-2 Adjustable Butterfly Valve Locking Device
Main Material:Aluminum alloy + engineering plastics
Product Dimensions:Locking handle length: 70mm~210mm (adjustable)
Product Specifications:Valve handle diameter: ≤Φ42mm; Φ33mm < valve stem diameter < Φ57mm; Locking beam diameter: ≤7mm
Core Functions:The aluminum alloy rod features a bidirectional adjustable clamp and a sliding top cover with a press-lock button to accommodate different handle lengths. The 4-hole design supports simultaneous locking and management by multiple users.
Applicable Industries:Petrochemicals, power energy, water treatment, food and beverage, pharmaceuticals, industrial manufacturing
Main Advantages:High-strength, corrosion-resistant, impact-resistant, and not easily deformed aluminum alloy; adjustable width from 70-210mm to fit various valves; 4-hole multi-person management; quick adjustment with push-button lock; customizable size/color/logo/label.




