Series 77F-CSI Steel, Flanged, Wye-Pattern Strainers feature a wye-pattern, cast steel body with flanged connections, stainless steel screen, cast steel retainer cap with PTFE gasket and blow-down connection. Series 77F-CSI has a machined seat that allows the seat to be self-aligning and assures a perfect fit. The strainer may be installed in horizontal or vertical pipe with the blow-down connection at the lower end of the screen retainer cover. Maximum Pressure (non-shock): 285psi (19.6 bar) @ 100°F (38°C) WOG, 150psi (10.3 bar) @ 400°F (204°C) WSP.