Stainless Steel Steam Trap and Strainer Steam Trap:Yes the PL finish has blue

the PL finish has blue caps

Constructed from 316L stainless steel and featuring a durable borosilicate glass or polycarbonate viewing window

Electro-polished steel (316 Stainless Steel)

1/4" NPT lower mount stainless connector

Constructed with stainless steel ball bearings

Stainless Steel Steam Trap and Strainer Steam Trap:Yes the PL finish has blueST8000 & SS8000 SERIES Steam Trap Features: Thermodynamic steam trap Integral strainer and replaceable seat for easy maintenance 3 4" disc type trap Internal strainer Strainer Features: 20 mesh screen Principal Parts, Material, & Ratings: Inlet Outlet Diameter: 3 4 NPT Blow Down Value Opening: 1 2" NPT Body: 304 Stainless Steel Gaskets: Copper Maximum Steam Pressure (Saturated Only): 600 PSI Maximum Pressure: 600 PSI Maximum Temperature: 800 F (427 C)