Series LF777SI, LFS777SI Lead Free* Brass Wye-Pattern Strainers feature a wye-pattern, Lead Free* brass body stainless steel screen and solid tapped retainer cap with NBR gasket. Model LF777SI comes with threaded connections and is available in sizes 3/8 to 3 in. (10 to 80mm). Model LFS777SI comes with solder connections and is available in sizes 1/2 to 2 in. (15 to 50mm). Model LF777SI - Maximum Pressure (non shock): 400psi (27.6 bar) @ 210°F (99°C) WOG, 125psi (8.6 bar) @ 353°F (178.3°C) WSP. Model LFS777SI - Maximum Pressure (non shock): 400psi (27.6 bar) @ 150°F (66°C) 15psi (103 kPa) @ 250°F (121°C) WSP.