Watts SS07F-GPM 8 - Part of the SS07F Series Sheet Drain the ductile iron grates are

the ductile iron grates are painted black to inhibit rust and over time form a protective iron-oxide patina

The maximum pressure is 400 psi (27

at the entrance to escalators and other places where there is either vehicle traffic or an elevation change that could pose a danger

4 to 10 Body Material Lead Free Cast Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268349573 Gauge Option No Gauge High Pressure Reduced Pressure Range 50 to 145 PSI High Pressure Reduced Pressure Setting 50 PSI Inlet Connection Size 3/4 IN Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature-Fahrenheit 160 Maximum Working Pressure-BAR 20

Check O-ring Kit Type Second Check Kit Lead Free Yes UPC - 098268796353

Watts SS07F-GPM 8 - Part of the SS07F Series Sheet Drain the ductile iron grates areThis 8 IN stainless steel, single detector check valve for fire sprinkler systems is used in fire protection applications to detect leakage or unauthorized use of water in fire sprinkler systems. It consists of a stainless steel body construction with flanged connection, and stainless steel linkage parts. It is lightweight, non corrosive, and can be installed in a horizontal or vertical position and has a gallons per minute meter. Maximum pressure is