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Bi-Metallic Steam Trap



Model WPN-40
Sizes 1/2’’, 3/4’’, 1’’, 2’’
Connections NPT, SW, BW, FLG
Body Material Hardened SST (55Rc)
PMO (Max. Operating Pressure) 319 PSIG
Pressure Controller 320 psig up to 460 psig
Max Diff. Pressure (PSI) 320 psi up to 460 psi

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Typical Applications

WPN-40 series are available in sizes 1/2″ – 2″ and pressure up to 470 psig. They offer 2 different pressure controllers; max diff. pressure up to 320psi (R22) and up to 460psi (R32), respectively. They are extremely robust and reliable, making them a suitable choice for superheated steam, high pressure applications, as well as outdoor applications that are subject to freezing