glass bulb fire sprinkler 1.all types of fire sprinklers 2.thread size:1/2"(15mm) 3.5mm glass bulb 4.zinc,chrome plated glass bulb fire sprinkler fire sprinkler structure:1.frame:zinc,chrome plated2.deflector:zinc,chrome plated3.screw:zinc,chrome plated4.bulb...

brass fire sprinkler heads 1.68 Celsuis degree 2.brass alloy fire sprinkler heads 3.connect thread:1/2" 4.standard response brass fire sprinkler heads1.Install Type :Upright2.Material:brass or alloy3.Specification:ZSTZ4.Connect thread:1/2" 3/4"5.Flow...

pendent fire sprinkler 1.Orifice Size: 1/2'' ,3/4 2.Temperature Rating: 57, 68, 79, 93 Celsius degree 3.Factory direct sales pendent fire sprinkler(1)     rated working pressure: 12 bars(1.2Mpa)(2)     airproof test pressure:...

1/2" fire sprinkler 1.k=5.6(80) 2.chrome alloy fire sprinkler 3.1/2" , 3/4" with 57,68,79 or 93 4.standard response 1/2" fire sprinkler(1)     rated working pressure: 12 bars(1.2Mpa)(2)     airproof test pressure:...

ESFR fire sprinkler 1.UL certificate 2.RTI=25(m.s) 3.fast response 4.factory direct ESPR fire sprinkler         copper alloy two different type size: DN20(3/4”) glass bulb diameter 3mmFeature:1. ESFR-68 degree to be installed...

photoelectric smoke detector 1.DC 9V battery 2.loud 85dB alarm signal 3.static current:<10uA 4.operating current:20~25uA photoelectric smoke detector specification 1.DC 9V battery smoke detector 2.static current:<10uA3.operating current:20~25uA 4.smoke sensitivity:meet...