BOZZYS FP4 built-in cylinder gate valve lockout front view red PA ABS 165-254mm

FP4 in use on an extra-large gate valve handwheel with key-locked cylinder

BD-FP4 Energy Isolation Valve Locking Device

The BD-FP4 energy isolation valve lock is made of reinforced nylon and features a built-in brass lock, eliminating the need for an additional padlock. It supports group locking, is compatible with valve stems from 165 to 254 mm, and is suitable for LOTO lockout compliance operations in the heavy industry.

Reinforced Nylon PA + ABS material
Fits valve stem diameter 165–254mm (6.5″–10″); bore 90mm; inner height 58mm
Built-in brass cylindrical lock
The key cannot be removed when the lock is open, preventing key loss.
Compatible with FP1G shared locks—supports multiple lock users.
Dedicated key for quick locking/unlocking.

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Product Appearance

BOZZYS FP4 Product Specifications Chart with 165-254mm Range and Weight 713g

Core parameters:

Product Name:BD-FP4 Energy Isolation Valve Locking Device

Main Material:Reinforced Nylon PA + ABS

Product Dimensions:Fits valve stem diameter 165–254mm (6.5"–10"); bore 90mm; inner height 58mm

Product Specifications:Extra-large PA gate valve lockout with built-in cylinder lock; FP1G co-locker compatible; key-retaining brass cylinder; 713g

Core Functions:Enclose gate valve handwheel with built-in cylinder lock to prevent unauthorized operation during maintenance; group lockout with FP1G co-locker

Applicable Industries:Oil & gas, chemical, power generation, water treatment, manufacturing

Main Advantages:Built-in cylinder lock — no separate padlock needed; key-retaining brass cylinder prevents key removal when open; FP1G co-locker support; PA withstands -50°C to +177°C; tightly fits valve handwheel for precise locking

FAQs

1What valve size does the FP4 fit?

It fits gate valve handwheels with stem diameter 165–254mm (6.5"–10").

2What material is the FP4 made of?

Reinforced nylon PA + ABS — corrosion-resistant, insulation-resistant, withstands temperatures from -50°C to +177°C.

3How does the built-in cylinder lock work?

It uses a key-retaining design: the key cannot be removed when the lock is in the open state, preventing on-site key loss.

4How many workers can lock the FP4 simultaneously?

With the FP1G co-locker, it supports multi-worker group lockout. The built-in cylinder provides primary locking.

5What key management options are available?

Supports 3000 key codes and 800 secondary management codes. Custom key systems include keyed-different and keyed-alike options. Keys can be laser-coded.