Fire Fighting Equipment of Dn20 Sidewall Fire Sprinkler

Main ParametersTechnical parametersTypeNominal diameter(mm)Connecting threadFlow coefficientT-ZSTPConventional sprinklerDN15R1/280±4DN20R3/4115±6T-ZSTXPendent sprinklerDN15R1/280±4DN20R3/4115±6T-ZSTZUpright sprinklerDN15R1/280±4DN20R3/4115±6T-ZSTBSSidewall sprinklerDN15R1/280±4DN20R3/4115±6ZSTDYConcealed sprinklerDN15R1/280±4DN20R3/4115±6 Technical parametersRated operating temperatureMax.ambient temperatureGlass bulb colour57°C27°COrange68°C38°CRed79°C49°CYellow93°C63°CGreen141°C111°CBlue182°C152°CPurpleQuick DetailsNorminal diameter ( mm): DN15 or DN20 Material: brass, chrome finished Connecting thread:1/2"(15mm), 3/4"(20mm) Glass bulb diameter:5mm or 3mm Temprature rate: 68 79 or 93 degree Glass bulb color:red yellow or green Working pressure:1.2MPa (2.4 Bar) K-factor:80(5.6) or 115(8.0) Color finished:chrome,brass,white FOB Price:US $ 0.5 - 1.5 / Piece | Get Latest PriceMin.Order Quantity:200 Piece/PiecesSupply Ability:10000 Piece/Pieces per WeekPort:xiamenPayment Terms:L/C,T/TPackaging & DeliveryPackaging Details: carton packing: 37.5cmx20.5cmx29cm 200 pieces in one carton packing. 10.6KG weight each one carton Delivery Detail: 10,000 pieces can be ready for delivery within one week  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1