Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—FISHER 546NS
FISHER 546NS
Technical Parameters Category Parameter Specification / Description General Model 546NS Type Pilot-Operated Nitrogen Sealing Regulator Pressure Ratings Maximum Inlet Pressure (P1) 400 psig (27.6 bar) Outlet Pressure Range (P2) Adjustable: Commonly from a very low 3" H₂O (0.75 kPa) up to 25 psig (1.7 bar) or higher, depending on the pilot spring. Pressure Rating 400 psig (27.6 bar) Body Rating. Flow & Capacity Flow Capacity (Cv) Low to Moderate, suitable for sealing/purge flow rates. End Connections 1/4" NPT or 1/2" NPT (Internal Pipe Thread) Performance Accuracy & Stability Very high, due to pilot-operated design. Minimal droop or creep. Construction & Materials Body Material Aluminum Internal Parts Stainless Steel, Brass Pilot Filter Standard, 40 micron. Diaphragm Material Nylon / Elastomer
DESCRIBE
The Fisher 546NS is a pilot-operated pressure reducing regulator specifically engineered for Nitrogen Sealing (Purge) applications. It is designed to provide an extremely stable and precise flow of nitrogen gas to maintain a positive pressure inside process vessels, instrument enclosures, or other equipment, thereby preventing the ingress of moisture, corrosive gases, or contaminants.
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