March 20, 2025

How do I know if my co2 is leaking ?

Carbon dioxide (CO2) is colorless and odorless, so you can’t detect it through direct observation. The most effective way to test for CO2 is to bubble the gas through “limewater”, a diluted solution of calcium hydroxide (slaked lime). When you bubble carbon dioxide through the solution, it forms a solid precipitate of calcium carbonate – […]

March 15, 2025

Protective Manual Call Point Cover

The Sumring protector is an advanced call point cover suitable for european countries. the original intention is to reduce the misuse and abuse of alarm devices to cut down the unnecessary labor costs and other consumptions coming from end users. could be used in places like malls, Metro stations and Apartments where people flow large, […]

March 10, 2025

What’s the SR-A08-P ? pull station cover ?

You mabey know that audible alarm covers and guards protect fire alarms, smoke detectors, strobe lights, loudspeakers, and other safety alarm devices from damage and accidental discharge. Covers completely enclose devicews to provide some protection against dust and the surrounding environment. So we now recommed you our new pull station cover  SR-A08-P. These indoor/outdoor waterproof pull station […]

March 5, 2025

How’s the fire alarm dust covers SR-A08-P from sumring ?

SR-A08-P fire alarm dust covers offers protection against false fire alarms, physical damage, dust and grime as well as severe environments inside and out Piercing warning horn sounds, when a cover is lifted to gain access to the actual alarm. So Make False Fire Alarms a Thing of The Past !March 16, 2020 – The SR-A08-P is […]

February 26, 2025

We All Need Manual Fire Pull Station Covers

We all knew that A fire alarm pull station is an active fire protection device, usually wall-mounted, that, when activated, initiates an alarm on a fire alarm system. In its simplest form, the user activates the alarm by pulling the handle down, which completes a circuit and locks the handle in the activated position, sending […]