Caleffi 5350 Series 1-Inch NPT Adjustable Pressure Reducing Valve
Caleffi 5350 Series 1-Inch NPT Adjustable Pressure Reducing Valve
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Apply for Trade Account & Terms →| Manufacturer Part Number (MPN) | 535061HA (PresCal Series) |
| Nominal Connection Size | 1-Inch NPT Female Threaded Union Connections |
| Pressure Setting Ranges | 15–90 PSI Adjustable Range (300 PSI Max Upstream Rating) |
| Internal Cartridge Trim | Removable Self-Contained Unit with Stainless Steel Micro-Strainer Screen |
| Material Compliance | Dezincification Resistant Low-Lead Brass Body (EPDM Diaphragm & Seals) |
The Caleffi 5350 Series 1-Inch NPT Adjustable Pressure Reducing Valve (535061HA) is a high-performance system component engineered to deliver premium fluid distribution efficiency and reliability. Built with a heavy-duty low-lead brass housing, this unit provides exceptional durability and outstanding resistance to demanding system environments. Its low-maintenance, high-performance architecture makes it an ideal solution for balancing and protecting commercial structural plumbing networks.
Featuring an innovative, pre-adjustable dial mechanism layout, the PresCal 5350 series allows mechanical installers to set the desired baseline delivery pressure before the valve is physically piped into the utility lines. Its balanced seat architecture ensures the downstream system pressure remains perfectly stable, completely ignoring massive upstream pressure fluctuations from municipal water mains. The internal regulating elements are engineered as a fully self-contained, removable cartridge assembly to make periodic service checks or line flushing straightforward, while a premium low-adhesion internal control stem housing actively prevents performance failures caused by limescale and hard-water deposit tracking.
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