VICTAULIC S002752CN0 1/4NPT RSTR 752 .063ORIF 360NICOTEF CTD
Victaulic® FireLock® Restrictor, For Use With: Model 751 Alarm Check Valves, Specifications: 1/4 in, 0.63 in Orifice, 300 psi, NiCoTef Coated The series 752 retard chamber is a surge tank that reduces the possibility of false alarms due to water supply pressure surges. It has a high-strength, ductile iron body and is designed for use with our series 751 alarm check valves. The body is painted inside and outside for increased corrosion resistance. The retard chamber is UL, FM, and ULC rated for 300 psi/2100 kPa service. The unit has a capacity of approximately one gal/3.8 L and weighs (dry) 18 lb/8.2 kg. It is available with a 1/2 in/21.3 mm NPT inlet and 3/4 in NPT outlet.
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