기능

• It is a dry type safety device with dual safety functions built in.
• Displays the signal (red) when the fire is reversed.
• It comes with product liability insurance.
• The lock pin protrudes to activate the shut-off valve.
• Reset returns by depressing the slide ring.
• It detects an abnormal temperature rise (95°C) when a reverse fire or reverse flow occurs in a gas blasting operation and when a gas leak ignites and burns, and cuts off the supply.
• To prevent backfire.