Sprinklers 
 Product http://www.gzta119.com 
 The ZSTZ upright glass ball nozzle is the automatic fire extinguishing system in the composition of the key components. Used for fire detection and automatic sprinkler to control or extinguish the fire. Widely used to protect the restaurants, hotels, shops, commercial buildings, storage warehouse, underground garage, garment factories and other light, the risk level, and also protect the buildings of the serious danger level. 
 Features: 
 ZSTZ vertical glass bulb sprinklers by copper alloy frames, glass balls, seals and other assembly is made compact, compact shape. A nozzle framework copper alloy precision forged, high strength, corrosion resistance, surface fractal qualities of passivation or polished chrome finish, to choose from. 2 thermostatic component (glass ball) and the gasket are imported from Germany, the glass ball, high strength, and reliability, fast response, seals are resistant to aging, corrosion resistance. Technical characteristics: (1) Nominal Diameter: diameter of 15mm, the connecting thread: R1 / 2 ", 100% detection. Rated working pressure: 1.2MPa, the factory test pressure: 3.0MPa, 100% 3. Flow coefficient : K = 80 ± 4 4. glass ball diameter: 3mm, 5mm. nozzle rated temperature and color. nozzle performance characteristics curve IV.: 1. This product can only be vertical installation in concealed or exposed water pipe online deflector up. used in the ceiling of the building, the company provides a complete set of decorative plate or head protection cover. nozzle installation should be used for the production of the Company accompanying the special wrench. tightening torque for the 10-20N.m, the ban on the more than 29N.m glass ball diameter: 3mm, 5mm action temperature: 57 ℃, 68 ℃, 79 ℃, 93 ℃, 141 ℃ Flow coefficient: K = 80 ± 4 connecting thread: R1 / 2 " 
 Remarks 
 The court Safety Fire Equipment Co., Ltd. is specialized in the research of the modern fire-fighting equipment, production, sales, service as one of the professional manufacturers. Include: fire fighting foam extinguishing agent (foam liquid; fire Pharmacy), the foam tank (pressure foam proportioning device), balanced foam proportioning device, closed foam water spray systems, various types of fire water cannons and foam gun fire hose nozzles and foam gun, foam spray fire extinguishing systems, fire extinguishing system, carbon dioxide fire extinguishing systems, aerosols and ultrafine dry powder fire extinguishing equipment product line. Tel :020 -62,359,119; Fax :020 -23,834,119. http://www.gzta119.comhttp://www.gzta119.com