SIGHT GLASS SYSTEM
Price of flow observation glasses or flow observation glasses, providing flow observation glasses, dn25 taiwan, water sight glasses, flow scopes, flow observation glasses D50, price of observation glasses, flow observation glasses flow Taiwan
Product information
It is installed at sprinkler systems water leakage detection device for wet type. Sight glass is installed near alram valve. we can make sure fire extinguishing water which is drained to transparency window with naked eye. Since inside diameter of orifice is same with caliber of sprinkler head, it shows indentical performance withhead opening test valve.
You can refer to products genuine fire alarm equipment...HERE
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